ACOEM Serinus 40 User manual

Serinus® 40
Oxides of Nitrogen
Analyser
User Manual
Version: 3.5
ACOEM Ecotech
1492 Ferntree Gully Road Knoxfield VIC 3180
Melbourne Australia [phone] [email protected] ecotech.com
Manual subject to change without notice. Images used are for illustrative purposes only. Ecotech & Serinus are trademarks or registered trademarks
of Ecotech Pty Ltd in the United States and/or other countries. © 2021 Ecotech Pty Ltd. All Rights Reserved.

Serinus® 40 User Manual 3.5
Page 2
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Foreword
Page 3
Table of Contents
Manufacturer’s Statement ....................................................................................................................................13
Notice ....................................................................................................................................................................13
Safety Information.................................................................................................................................................14
Important Safety Messages ...................................................................................................................................15
Warranty................................................................................................................................................................16
Service & Repairs...................................................................................................................................................17
Product Compliance and Approvals.......................................................................................................................18
Manual Revision History........................................................................................................................................19
1. Introduction........................................................................................................................... 21
1.1 Description................................................................................................................................................21
1.2 Specifications ............................................................................................................................................21
1.2.1 Measurement ............................................................................................................................21
1.2.2 Precision/Accuracy ....................................................................................................................21
1.2.3 Calibration .................................................................................................................................22
1.2.4 Power ......................................................................................................................................22
1.2.5 Operating Conditions.................................................................................................................22
1.2.6 Communications........................................................................................................................22
1.2.7 Physical Dimensions...................................................................................................................23
1.2.8 Certifications..............................................................................................................................23
1.3 Nomenclature ...........................................................................................................................................24
1.4 Background/Theory...................................................................................................................................25
1.4.1 Measurement Theory ................................................................................................................25
1.4.2 Kalman Filter Theory..................................................................................................................27
1.5 Instrument Description .............................................................................................................................27
1.5.1 Calibration Valve Manifold ........................................................................................................28
1.5.2 Auxiliary Valve Manifold............................................................................................................28
1.5.3 Delay Loop .................................................................................................................................28
1.5.4 Sample Filter Holder ..................................................................................................................28
1.5.5 Dryer ......................................................................................................................................29
1.5.6 Ozone Generator .......................................................................................................................30
1.5.7 NO2to NO Converter .................................................................................................................30
1.5.8 Measurement Cell .....................................................................................................................31
1.5.9 Pneumatic Tubing......................................................................................................................33
1.5.10 Main Controller PCA ..................................................................................................................33
1.5.11 Rear Panel..................................................................................................................................34
1.5.12 Communications........................................................................................................................35
2. Installation............................................................................................................................. 37
2.1 Initial Check...............................................................................................................................................37
2.2 Installation Notes ......................................................................................................................................40
2.3 Instrument Set-Up.....................................................................................................................................41
2.3.1 Power Connections....................................................................................................................41
2.3.2 Pneumatic Connections.............................................................................................................42
2.3.3 Communications Connections ...................................................................................................45
2.3.4 Instrument Set-Up .....................................................................................................................46
2.4 U.S. EPA Reference Set-Up........................................................................................................................47

Serinus® 40 User Manual 3.5
Page 4
2.5 EN Type Approval Set-up.......................................................................................................................... 48
2.6 Transporting/Storage................................................................................................................................ 48
3. Operation............................................................................................................................... 51
3.1 Warm-Up .................................................................................................................................................. 51
3.2 Measurement ........................................................................................................................................... 51
3.3 General Operation Information................................................................................................................ 52
3.3.1 Keypad & Display....................................................................................................................... 52
3.3.2 Home Screen............................................................................................................................. 54
3.4 Menus & Screens...................................................................................................................................... 56
3.4.1 Quick Menu............................................................................................................................... 57
3.4.2 Main Menu................................................................................................................................ 58
3.4.3 Analyser State Menu................................................................................................................. 59
3.4.4 Status Menu.............................................................................................................................. 60
3.4.5 Temperature Menu................................................................................................................... 62
3.4.6 Pressure & Flow Menu.............................................................................................................. 63
3.4.7 Voltage Menu............................................................................................................................ 63
3.4.8 General Settings Menu.............................................................................................................. 64
3.4.9 Measurement Settings Menu.................................................................................................... 65
3.4.10 Calibration Menu ...................................................................................................................... 67
3.4.11 Pressure Calibration Menu........................................................................................................ 70
3.4.12 Service Menu............................................................................................................................. 71
3.4.13 Diagnostics Menu...................................................................................................................... 72
3.4.14 Digital Pots Menu...................................................................................................................... 73
3.4.15 Internal Pump Menu (Option)................................................................................................... 74
3.4.16 Valve Menu ............................................................................................................................... 75
3.4.17 Tests Menu................................................................................................................................ 77
3.4.18 Digital Input Test Menu............................................................................................................. 77
3.4.19 Digital Output Test Menu.......................................................................................................... 78
3.4.20 Calculation Factors Menu.......................................................................................................... 78
3.4.21 Communications Menu............................................................................................................. 80
3.4.22 Data Logging Menu ................................................................................................................... 81
3.4.23 Serial Communication Menu..................................................................................................... 82
3.4.24 Analog Input Menu ................................................................................................................... 83
3.4.25 Analog Output Menu................................................................................................................. 84
3.4.26 Digital Input Menu .................................................................................................................... 85
3.4.27 Digital Output Menu ................................................................................................................. 86
3.4.28 Network Menu (Optional)......................................................................................................... 88
3.4.29 Bluetooth Menu........................................................................................................................ 89
3.4.30 Trend Display Menu .................................................................................................................. 90
3.4.31 Chart ...................................................................................................................................... 91
3.4.32 Advanced Menu ........................................................................................................................ 93
3.4.33 Hardware Menu ........................................................................................................................ 94
3.4.34 Parameter Display Menu........................................................................................................... 95
4. Communications.................................................................................................................... 97
4.1 RS232 Communication.............................................................................................................................. 97
4.2 USB Communication................................................................................................................................. 98
4.3 TCP/IP Network Communication (Optional)............................................................................................. 99
4.3.1 Reading Network Port Setup................................................................................................... 100
4.3.2 Setting Network Port Setup .................................................................................................... 100

Foreword
Page 5
4.3.3 Port Forwarding on Remote Modem/Router Setup ................................................................101
4.3.4 Setup Airodis to Communicate with Serinus ...........................................................................101
4.4 Analog and Digital Communication.........................................................................................................102
4.4.1 Analog Outputs........................................................................................................................102
4.4.2 Analog Inputs...........................................................................................................................103
4.4.3 Digital Status Inputs.................................................................................................................103
4.4.4 Digital Status Outputs..............................................................................................................103
4.5 Logging Data............................................................................................................................................105
4.5.1 Configure Instrument Internal Logging....................................................................................105
4.6 Using Airodis Software to Download Data ..............................................................................................105
4.6.1 Connecting the Instrument to a PC..........................................................................................105
4.6.2 Installing Airodis ......................................................................................................................108
4.6.3 Configuring Airodis ..................................................................................................................109
4.7 Serinus Remote App/Bluetooth ..............................................................................................................114
4.7.1 Installation...............................................................................................................................115
4.7.2 Connecting to the Instrument .................................................................................................115
4.7.3 Instrument Control ..................................................................................................................116
4.7.4 Real-Time Plot..........................................................................................................................117
4.7.5 Download.................................................................................................................................118
4.7.6 Get Parameters........................................................................................................................119
4.7.7 Preferences..............................................................................................................................120
5. Calibration ........................................................................................................................... 123
5.1 Overview .................................................................................................................................................123
5.2 Pressure Calibration ................................................................................................................................125
5.2.1 Full Pressure Calibration (Two Point Calibration) ....................................................................125
5.2.2 Pressure Calibration (Ambient Only) .......................................................................................127
5.2.3 Pressure Calibration (Internal Pump Option Only) ..................................................................127
5.3 Zero Calibration.......................................................................................................................................129
5.3.1 Calibration Port........................................................................................................................129
5.3.2 Sample Port .............................................................................................................................129
5.3.3 Background Air Port.................................................................................................................130
5.4 Span Calibration ......................................................................................................................................130
5.4.1 Calibration Port with Multiple Gains Disabled.........................................................................131
5.4.2 Sample Port with Multiple Gains Disabled ..............................................................................131
5.4.4 Sample Port with Multiple Gains Enabled ...............................................................................132
5.4.5 Manual Instrument Gain and Offset Adjustments...................................................................133
5.5 Precision Check .......................................................................................................................................133
5.6 Multipoint Precision Check .....................................................................................................................134
5.7NO2to NO Converter Efficiency ..............................................................................................................135
5.7.1 Single Point NO2to NO Converter Efficiency Check.................................................................136
5.7.2 Multipoint NO2to NO Converter Efficiency Adjustment .........................................................137
5.8 High Pressure Zero/Span Valve (Option).................................................................................................138
5.8.1 Single Pressurised Calibration Option......................................................................................138
5.8.2 Dual Pressurised Calibration Option........................................................................................140
6. Service ................................................................................................................................. 143
6.1 Additional Safety Requirements for Service Personnel...........................................................................143
6.2 Maintenance Tools..................................................................................................................................143
6.3 Maintenance Schedule............................................................................................................................144

Serinus® 40 User Manual 3.5
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6.4 Maintenance Procedures........................................................................................................................ 146
6.4.1 Particulate Filter Replacement................................................................................................ 146
6.4.2 Clean Chassis Fan Filter........................................................................................................... 148
6.4.3 DFU Replacement.................................................................................................................... 149
6.4.4 Leak Check............................................................................................................................... 149
6.4.5 Clean Pneumatics.................................................................................................................... 154
6.4.6 Replacing the PMT Desiccant Pack.......................................................................................... 154
6.4.7 Cleaning the Reaction Cell....................................................................................................... 155
6.4.8 Ozone Generator Maintenance............................................................................................... 158
6.4.9 Pressure Sensor Check ............................................................................................................ 161
6.5 Bootloader.............................................................................................................................................. 163
6.5.1 Display Help Screen................................................................................................................. 163
6.5.2 Communications Port Test...................................................................................................... 163
6.5.3 Updating Firmware ................................................................................................................. 164
6.5.4 Erase All Settings..................................................................................................................... 164
6.5.5 Start Analyser.......................................................................................................................... 164
7. Troubleshooting................................................................................................................... 165
7.1 Flow Fault ............................................................................................................................................... 168
7.2 Noisy/Unstable Readings........................................................................................................................ 169
7.3 Converter Temperature Failure .............................................................................................................. 170
7.4 Auxiliary Valve Manifold Temperature Failure ....................................................................................... 171
7.5 Reaction Cell Temperature Failure ......................................................................................................... 172
7.6 USB Memory Stick Failure....................................................................................................................... 173
7.7 Ecotech Service Support Files ................................................................................................................. 174
8. Optional Extras.....................................................................................................................177
8.1 Dual Sample Filter (PN: E020100)........................................................................................................... 177
8.2 Test Lamp (PN: E020103)........................................................................................................................ 178
8.3 Network Port (PN: E020101)................................................................................................................... 178
8.3.1 Hardware Setup ...................................................................................................................... 179
8.4 Sample Dryer (PN: E020118)................................................................................................................... 179
8.5Rack Mount Kit (PN: E020116)................................................................................................................ 179
8.6 Internal Pump (PN: E020104) ................................................................................................................. 183
8.6.1 Hardware Setup ...................................................................................................................... 183
8.6.2 Internal Pump Additional Components................................................................................... 183
8.6.3 Pressure Calibration Internal Pump Option ............................................................................ 184
8.6.4 Leak Check Internal Pump Option........................................................................................... 184
8.6.5 Pump Control .......................................................................................................................... 184
8.7 Metric Fittings Kit (PN: E020122)............................................................................................................ 184
8.8 High Pressure Zero/Span Valves ............................................................................................................. 185
8.9 High Level Instrument (PN: E020113)..................................................................................................... 185
8.9.1 High Level Specifications......................................................................................................... 185
8.10 Internal Zero and Span (PN: E020134).................................................................................................... 186
8.10.1 IZS Specifications..................................................................................................................... 187
8.10.2 IZS Setup.................................................................................................................................. 189
8.10.3 IZS Transporting/Storage ........................................................................................................ 190
8.10.4 IZS Calibration ......................................................................................................................... 191
8.10.5 IZS Service and Maintenance .................................................................................................. 192
8.11 Trace Level Instrument (PN: E020119) ................................................................................................... 194

Foreword
Page 7
8.11.1 Trace Specifications .................................................................................................................194
8.11.2 Trace Setup..............................................................................................................................195
8.11.3 Trace Operation.......................................................................................................................196
8.11.4 Trace Default Values................................................................................................................196
8.11.5 Trace Calibration Guidelines....................................................................................................197
8.11.6 Trace Service and Maintenance...............................................................................................198
9. Parts List and Schematics .................................................................................................... 199
9.1 Serinus Accessories Kit ............................................................................................................................199
9.2 Maintenance Kit ......................................................................................................................................199
9.3 Consumables...........................................................................................................................................200
9.4 Instrument Parts List ...............................................................................................................................201
9.4.1 Optional Extras Spare Part List.................................................................................................205
9.5 Plumbing Schematic –(PN: D020002).....................................................................................................208
9.6 Internal Pump Plumbing Schematic –(PN: D020063) .............................................................................210
9.7 High Level Plumbing Schematic –(PN: D020024)....................................................................................212
9.8 Trace Level Plumbing Schematic –(PN: D020065)..................................................................................214
9.9 Sample Dryer Plumbing Schematic –(PN: D020064) ..............................................................................216
9.10 IZS Plumbing Schematic –(PN: D020052) ...............................................................................................218
9.11 Block Wiring Schematic –(PN: D020103-01)...........................................................................................220
9.12 IZS Block Wiring Schematic –(PN: D020122-01) .....................................................................................221
9.13 Measurement Cell and Reaction Cell Exploded View –(PN: H011200)...................................................222
9.14 Auxiliary Valve Manifold Assembly Exploded View –(PN: H011300)......................................................223
9.15 Calibration Valve Manifold Assembly Exploded View –(PN: H010013-01).............................................224
9.16 Ozone Generator Assembly Exploded View –(PN: H011107).................................................................225
9.17 IZS Calibration Valve Manifold Assembly Exploded View –(PN: H010056) ............................................226
9.18 Permeation Oven Assembly Exploded View –(PN: H012170) ................................................................227
9.19 Valve Assembly Exploded View –(PN: H010042)....................................................................................228
9.20 Sample Filter Holder Assembly –(PN: H010160) ....................................................................................229
9.21 High Pressure Valve Exploded View –(PN: H050043).............................................................................230
9.22 NOxConverter Assembly –(PN: H011105)..............................................................................................231
9.23 Internal Pump Assembly –(PN: H011140) ..............................................................................................232
9.24 Dryer Assembly –(PN: H011106) ............................................................................................................233
9.25 Flow Block Assembly –(PN: H013165)....................................................................................................234

Serinus® 40 User Manual 3.5
Page 8
List of Figures
Figure 1 –Simple Pneumatic Diagram..........................................................................................................................26
Figure 2 –Major Components of Serinus 40 ................................................................................................................27
Figure 3 –Calibration Valve Manifold ..........................................................................................................................28
Figure 4 –Auxiliary Valve Manifold ..............................................................................................................................28
Figure 5 –Sample Filter Holder ....................................................................................................................................29
Figure 6 –Dryer ............................................................................................................................................................29
Figure 7 –Ozone Generator .........................................................................................................................................30
Figure 8 –NO2to NO Converter ...................................................................................................................................30
Figure 9 –Measurement Cell........................................................................................................................................31
Figure 10 –PMT Assembly............................................................................................................................................31
Figure 11 –Reaction Cell ..............................................................................................................................................32
Figure 12 –Optical Bandpass Filter ..............................................................................................................................32
Figure 13 –Pressure Sensor PCA ..................................................................................................................................33
Figure 14 –Ecotech Tubing...........................................................................................................................................33
Figure 15 –Rear Panel..................................................................................................................................................34
Figure 16 –Power ON/OFF Switch ...............................................................................................................................35
Figure 17 –Communication Connections.....................................................................................................................35
Figure 18 –Received Item ............................................................................................................................................38
Figure 19 –Opening the Instrument –1.......................................................................................................................39
Figure 20 –Opening the Instrument –2.......................................................................................................................39
Figure 21 –Opening the Instrument –3.......................................................................................................................39
Figure 22 –Opening the Instrument –4.......................................................................................................................40
Figure 23 –Instrument Rear Panel ...............................................................................................................................41
Figure 24 –Connect Power Cord ..................................................................................................................................42
Figure 25 –Turn ON Power Switch...............................................................................................................................42
Figure 26 –Dust Plugs ..................................................................................................................................................43
Figure 27 –Remove Nut ...............................................................................................................................................43
Figure 28 –Ferrules Correct Orientation......................................................................................................................43
Figure 29 –Replace Nut Loosely...................................................................................................................................44
Figure 30 –Insert Tube.................................................................................................................................................44
Figure 31 –Tighten Nut ................................................................................................................................................44
Figure 32 –Installation of USB Memory Stick...............................................................................................................46
Figure 33 –Switching the Battery ON/OFF...................................................................................................................46
Figure 34 –Dust Plugs ..................................................................................................................................................49
Figure 35 –Packing Instruction ....................................................................................................................................50
Figure 36 –Front Panel.................................................................................................................................................52
Figure 37 –Home Screen..............................................................................................................................................54
Figure 38 –Quick Menu Screen....................................................................................................................................57
Figure 39 –Main Menu Screen.....................................................................................................................................58
Figure 40 –Analyser State Menu Screen......................................................................................................................59
Figure 41 –Status Menu Screen...................................................................................................................................60
Figure 42 –Temperature Menu Screen........................................................................................................................62
Figure 43 –Pressure & Flow Menu Screen...................................................................................................................63
Figure 44 –Voltage Menu Screen.................................................................................................................................63
Figure 45 –General Settings Menu Screen...................................................................................................................64
Figure 46 –Measurement Settings Menu Screen.........................................................................................................65
Figure 47 –Calibration Menu Screen ...........................................................................................................................67
Figure 48 –Pressure Calibration Menu Screen.............................................................................................................70
Figure 49 –Service Menu Screen .................................................................................................................................71
Figure 50 –Diagnostics Menu Screen...........................................................................................................................72

Foreword
Page 9
Figure 51 –Digital Pots Menu Screen .......................................................................................................................... 73
Figure 52 –Internal Pump Menu Screen...................................................................................................................... 74
Figure 53 –Valve Menu Screen.................................................................................................................................... 75
Figure 54 –Tests Menu Screen .................................................................................................................................... 77
Figure 55 –Digital Input Test Menu Screen ................................................................................................................. 77
Figure 56 –Digital Output Test Menu Screen .............................................................................................................. 78
Figure 57 –Calculation Factors Menu Screen .............................................................................................................. 78
Figure 58 –Communications Menu Screen ................................................................................................................. 80
Figure 59 –Data Logging Menu Screen........................................................................................................................ 81
Figure 60 –Serial Communication Menu Screen ......................................................................................................... 82
Figure 61 –Analog Input Menu Screen........................................................................................................................ 83
Figure 62 –Analog Output Menu Screen..................................................................................................................... 84
Figure 63 –Digital Input Menu Screen......................................................................................................................... 85
Figure 64 –Digital Output Menu Screen...................................................................................................................... 86
Figure 65 –Network Menu Screen............................................................................................................................... 88
Figure 66 –Bluetooth Menu Screen ............................................................................................................................ 89
Figure 67 –Trend Display Menu Screen....................................................................................................................... 90
Figure 68 –Chart Screen .............................................................................................................................................. 91
Figure 69 –Advanced Menu Screen............................................................................................................................. 93
Figure 70 –Hardware Menu Screen............................................................................................................................. 94
Figure 71 –Parameter Display Menu Screen............................................................................................................... 95
Figure 72 –Communication Ports................................................................................................................................ 97
Figure 73 –Multidrop RS232 Cable Example ............................................................................................................... 98
Figure 74 –Example of Typical Network Setups .......................................................................................................... 99
Figure 75 –Example of Network Menu Setup ........................................................................................................... 100
Figure 76 –Port Forwarding Example ........................................................................................................................ 101
Figure 77 –LAN Network Set-Up (Airodis)................................................................................................................. 101
Figure 78 –WAN Network Set-Up (Airodis) ............................................................................................................... 102
Figure 79 –Rear Panel PCA (Default Jumpers Highlighted) ....................................................................................... 104
Figure 80 –Analog & Digital I/O Individual Pin Descriptions...................................................................................... 104
Figure 81 –Installing Driver Software (Device Manager)........................................................................................... 106
Figure 82 –Update Driver Popup............................................................................................................................... 106
Figure 83 –Update Driver Popup (Directory Location).............................................................................................. 107
Figure 84 –Installing Driver Confirmation Prompt .................................................................................................... 107
Figure 85 –Successful Driver Installation................................................................................................................... 108
Figure 86 –Airodis Workspace Manager ................................................................................................................... 109
Figure 87 –Adding a New Station.............................................................................................................................. 109
Figure 88 –New Station Connection.......................................................................................................................... 110
Figure 89 –Station Configuration (Channel List)........................................................................................................ 111
Figure 90 –Error Status Notification.......................................................................................................................... 111
Figure 91 –Downloading Data................................................................................................................................... 112
Figure 92 –Download Data Status............................................................................................................................. 112
Figure 93 –Data Visibility........................................................................................................................................... 113
Figure 94 –Exporting Data......................................................................................................................................... 113
Figure 95 –Data Download Complete ....................................................................................................................... 114
Figure 96 –Downloading the App from Google Play Store........................................................................................ 115
Figure 97 –Bluetooth Pairing Request....................................................................................................................... 115
Figure 98 –Showing or Hiding the NumPad............................................................................................................... 116
Figure 99 –Switching Analysers................................................................................................................................. 117
Figure 100 –Real-Time Plot ....................................................................................................................................... 118
Figure 101 –Plot of Downloaded Data ...................................................................................................................... 119
Figure 102 –Directory Settings.................................................................................................................................. 120

Serinus® 40 User Manual 3.5
Page 10
Figure 103 –Logs Format ...........................................................................................................................................120
Figure 104 –Colour Theme Settings...........................................................................................................................121
Figure 105 –Example of a Calibration System............................................................................................................123
Figure 106 –Full Pressure Calibration Set-up.............................................................................................................126
Figure 107 –Full Pressure Calibration Set-up (Ambient)............................................................................................126
Figure 108 –Ambient Pressure Calibration Set-up.....................................................................................................127
Figure 109 –Pressure Calibration (Internal Pump Option Only) Set-up.....................................................................128
Figure 110 –Multipoint Calibration Results Example.................................................................................................135
Figure 111 –Single High Pressure Calibration Option ................................................................................................138
Figure 112 –Dual High Pressure Calibration Option ..................................................................................................140
Figure 113 –Minifit Extraction Tool –(PN: T030001).................................................................................................143
Figure 114 –Orifice/Sintered Filter Removal Tool –(PN: H010046) ..........................................................................144
Figure 115 –Leak Test Jig –(PN: H050069)................................................................................................................144
Figure 116 –Air Monitoring Test Equipment Kit (AMTEK) –Customisable ................................................................144
Figure 117 –Remove Compression Nut .....................................................................................................................146
Figure 118 –Remove Retaining Ring ..........................................................................................................................146
Figure 119 –Remove Filter Sealing Cap .....................................................................................................................147
Figure 120 –Particulate Filter.....................................................................................................................................147
Figure 121 –Avoid to Touching Particulate Filter Paper ............................................................................................148
Figure 122 –Compression Fitting Elbow Direction.....................................................................................................148
Figure 123 –Remove Filter Casing and Filter .............................................................................................................149
Figure 124 –DFU Filter ...............................................................................................................................................149
Figure 125 –Leak Test Jig on Exhaust Port.................................................................................................................150
Figure 126 –Connect Vacuum Source........................................................................................................................150
Figure 127 –Stop Valve (Bypass Pump)......................................................................................................................152
Figure 128 –Stop Valve (Sample Pump).....................................................................................................................153
Figure 129 –Removing the Desiccant Pack ................................................................................................................155
Figure 130 –Electrical Tape........................................................................................................................................156
Figure 131 –Remove Reaction Cell ............................................................................................................................156
Figure 132 –Cover the PMT Window.........................................................................................................................157
Figure 133 –Place the Black Electrical Tape...............................................................................................................157
Figure 134 –Optical Bandpass Filter Removal and Cleaning......................................................................................157
Figure 135 –Replace Reaction Cell.............................................................................................................................158
Figure 136 –Remove Ozone Generator from Instrument..........................................................................................159
Figure 137 –Remove the Screw .................................................................................................................................159
Figure 138 –Remove the Screw .................................................................................................................................160
Figure 139 –Remove White Tube Block Fastener ......................................................................................................160
Figure 140 –Disassemble Glass Tube.........................................................................................................................161
Figure 141 –Test Point Location ................................................................................................................................162
Figure 142 –Typical Test Point Reading of Cell Pressure with Vacuum Connected to Exhaust Port..........................162
Figure 143 –Typical Test Point Reading of Manifold Pressure Sensor .......................................................................163
Figure 144 –Flow Fault Diagnostic Procedure ...........................................................................................................168
Figure 145 –Noisy or Unstable Readings Troubleshooting Flow Chart......................................................................169
Figure 146 –Converter Alarm Troubleshooting Flow Chart .......................................................................................170
Figure 147 –Valve Manifold Temperature Alarm Troubleshooting Flow Chart .........................................................171
Figure 148 –Reaction Cell Temperature Failure Troubleshooting Flow Chart ...........................................................172
Figure 149 –USB Memory Stick Failure......................................................................................................................173
Figure 150 –USB Memory Stick File Structure ...........................................................................................................174
Figure 151 –Dual Filter Option Installed ....................................................................................................................177
Figure 152 –Separate Rack Slides ..............................................................................................................................180
Figure 153 –Assemble Inner Slide on Chassis ............................................................................................................180
Figure 154 –Rack Mount Ears Fitted to Instrument...................................................................................................181

Foreword
Page 11
Figure 155 –Attach Rack Mount Adaptors to Outer Slides........................................................................................ 181
Figure 156 –Test Fit the Rack Slide Assembly into Your Rack.................................................................................... 182
Figure 157 –Attach Slides to Front of Rack ............................................................................................................... 182
Figure 158 –Slide Clips .............................................................................................................................................. 183
Figure 159 –IZS Specific Internal Components Diagram............................................................................................ 187
Figure 160 –Typical Permeation Tube and Chamber Dimensions (Units in mm) ...................................................... 188
Figure 161 –Permeation Tube Removal.................................................................................................................... 190
List of Tables
Table 1 –Internationally Recognised Symbols............................................................................................................. 14
Table 2 –Manual Revision History............................................................................................................................... 19
Table 3 –List of Items Received................................................................................................................................... 37
Table 4 –Measurements Times ................................................................................................................................... 51
Table 5 –Front Panel Buttons Function ....................................................................................................................... 53
Table 6 –Digital Output States .................................................................................................................................... 87
Table 7 –New Station Setup ...................................................................................................................................... 110
Table 8 –Maintenance Schedule ............................................................................................................................... 145
Table 9 –Troubleshoot List........................................................................................................................................ 165
Table 10 –Dual Sample Filter Parts Added ................................................................................................................. 177
Table 11 –Test Lamp Parts Added.............................................................................................................................. 178
Table 12 –Test Lamp Parts Removed ........................................................................................................................ 178
Table 13 –Network Port Parts Added........................................................................................................................ 178
Table 14 –Network Port Parts Removed ................................................................................................................... 178
Table 15 –Sample Dryer Parts Added........................................................................................................................ 179
Table 16 –Rack Mount Kit Parts Added...................................................................................................................... 179
Table 17 –Internal Pump Additional Components .................................................................................................... 183
Table 18 –High Level Instrument Parts Added .......................................................................................................... 185
Table 19 –High Level Instrument Parts Removed ..................................................................................................... 185
Table 20 –IZS Parts Removed .................................................................................................................................... 187
Table 21 –IZS Parts Added......................................................................................................................................... 187
Table 22 –IZS Annual Maintenance Kit –(PN: E020212) ........................................................................................... 192
Table 23 –Trace Parts Removed................................................................................................................................ 194
Table 24 –Trace Parts Added..................................................................................................................................... 195
Table 25 –Trace Parameter Value Changes............................................................................................................... 197
Table 26 –Maintenance Schedule ............................................................................................................................. 198
Table 27 –Serinus Accessories Kit –(PN: H010136) .................................................................................................. 199
Table 28 –Annual Maintenance Kit –(PN: E020203-01) ........................................................................................... 199
Table 29 –Consumables ............................................................................................................................................ 200
Table 30 –Spare Parts List (Main Components) ........................................................................................................ 201
Table 31 –Spare Parts List (Cables)............................................................................................................................ 203
Table 32 –Spare Parts List (O-rings) .......................................................................................................................... 203
Table 33 –Spare Parts List (Fittings) .......................................................................................................................... 203
Table 34 –Spare Parts List (Miscellaneous) ............................................................................................................... 204
Table 35 –Spare Parts List (Shipping) ........................................................................................................................ 205
Table 36 –Spare Part List (Test Lamp) ....................................................................................................................... 205
Table 37 –Spare Part List (Sample Dryer).................................................................................................................. 206
Table 38 –Spare Part List (Internal Pump)................................................................................................................. 206
Table 39 –Spare Part List (Metric Fittings Kit) ........................................................................................................... 206
Table 40 –Spare Part List (High Pressure Zero/Span Valves)..................................................................................... 206

Serinus® 40 User Manual 3.5
Page 12
Table 41 –Spare Part List (High Level Instrument).....................................................................................................207
Table 42 –Spare Part List (IZS) ...................................................................................................................................207
Table 43 –Spare Part List (Trace Level Instrument) ...................................................................................................207
Table 44 –Packet Format ...........................................................................................................................................235
Table 45 –Example: Primary Gas Request .................................................................................................................235
Table 46 –Example: Primary Gas Response ...............................................................................................................236
Table 47 –Example: Primary Gas Response (Continued) ...........................................................................................236
Table 48 –List of Errors ..............................................................................................................................................236
Table 49 –Example: Get IEEE Response data.............................................................................................................237
Table 50 –Advanced Protocol Parameter List............................................................................................................238
Table 51 –Bayern-Hessen Data..................................................................................................................................251
Table 52 –Block Check Operation..............................................................................................................................252
Table 53 –Status Bit Map...........................................................................................................................................253
Table 54 –Failure Bit Map (Positive Logic).................................................................................................................253
Table 55 –Modbus Error Codes .................................................................................................................................257
List of Appendices
Appendix A. Advanced Protocol..................................................................................................235
A.1 Command Format...................................................................................................................................... 235
A.2 Commands................................................................................................................................................. 236
A.3 List of Parameters...................................................................................................................................... 238
Appendix B. EC9800 Protocol...................................................................................................... 249
B.1 Command Format...................................................................................................................................... 249
B.2 Commands................................................................................................................................................. 249
Appendix C. Bayern-Hessen Protocol.......................................................................................... 251
C.1 Command Format...................................................................................................................................... 251
C.2 Commands................................................................................................................................................. 252
Appendix D. ModBus Protocol .................................................................................................... 255
D.1 Command Format...................................................................................................................................... 255
D.2 Commands................................................................................................................................................. 255

Foreword
Page 13
Manufacturer’s Statement
Thank you for selecting the Ecotech Serinus® 40 Oxides of Nitrogen Analyser.
The Serinus series is the next generation of Ecotech designed and manufactured gas analysers. The
Serinus 40 will perform NO, NO2and NOXmeasurements over a range of 0 - 20 ppm with a lower
detectable limit of 0.4 ppb.
This User Manual provides a complete product description including operating instructions, calibration
and maintenance requirements for the Serinus® 40 Oxides of Nitrogen Analyser.
Reference should also be made to the relevant local standards which should be used in conjunction
with this manual. Some of these standards are listed in this manual.
If, after reading this manual you have any questions or you are still unsure or unclear on any part of
the Serinus® 40, please do not hesitate to contact Ecotech or your local Ecotech distributor.
Please help the environment and recycle the pages of this manual when
you have finished using it.
Notice
The information contained in this manual is subject to change without notice. Ecotech reserves the
right to make changes to equipment construction, design, specifications and /or procedures without
notification.
Copyright © 2021. All rights reserved. Reproduction of this manual, in any form, is prohibited without
the written consent of Ecotech Pty Ltd.

Serinus® 40 User Manual 3.5
Page 14
Safety Information
Read all the safety information in this section prior to using the equipment. To reduce the risk of
personal injury caused by potential hazards, follow all safety notices and warnings in this
documentation.
The following internationally recognised symbols are used on Ecotech equipment:
Table 1 –Internationally Recognised Symbols
Protective conductor terminal
IEC 60417-5019
Alternating current
IEC 60417-5032
Caution, hot surface
IEC 60417-5041
Caution, risk of danger to user
and/or equipment
Refer to any accompanying
documents
ISO 7000-0434
Caution, risk of electric shock
ISO 3864-5036
These symbols will also be found throughout this manual to indicate relevant safety messages.
Note: Notes are used throughout this manual to indicate additional information regarding a
particular part or process.
If the equipment is used for purposes not specified by Ecotech, the protection provided by this
equipment may be impaired.

Foreword
Page 15
Important Safety Messages
Disconnect Power Prior to Service
Hazardous voltages exist within the instrument. Do not remove or modify any of the
internal components or electrical connections whilst the mains power is ON.
Always unplug the equipment prior to removing or replacing any components.
Replacing Parts
Replacement of any part should only be carried out by qualified personnel, using only
parts specified by Ecotech, as these parts meet stringent Ecotech quality.
Mains Supply Cord
Do not replace the detachable mains supply cord with an inadequately rated cord. Any
mains supply cord that is used with the instrument must comply with the safety
requirements (250 V/10 A minimum requirement). A mains power cord with a
protective earth conductor must be used.
Ensure that the mains supply cord is maintained in a safe working condition.
Do Not Expose Equipment to Flammable Gases
This equipment is not intended for use in explosive environments, or conditions
where flammable gases are present. The user should not expose the equipment to
these conditions. Do not introduce any flammable gases into the instrument,
otherwise serious accidents such as explosion or fire may result.
Electromagnetic Compliance
The instrument lid should be closed when in normal operation, to comply with EMC
regulations.
Means of Lifting/Carrying Instrument
This instrument is a heavy and bulky object. Two persons should lift/carry the object,
otherwise use proper lifting equipment. Proper lifting techniques should be used
when moving the instrument.
Internal Components
Do not insert a rod or finger into the cooling fans, otherwise injury may result.
Do not energise the instrument until all conductive cleaning liquids, used on internal
components, are dried up.

Serinus® 40 User Manual 3.5
Page 16
Warranty
This product has been manufactured in an ISO 9001 facility with care and attention to quality.
The product is subject to a 24-month warranty on parts and labour from date of shipment. The
warranty period commences when the product is shipped from the factory. Lamps, filters and other
consumable items are not covered by this warranty.
Each instrument is subjected to a vigorous testing procedure prior to despatch and will be
accompanied with a parameter list and a multipoint precision check, thereby enabling the instrument
to be installed and ready for use without any further testing.

Foreword
Page 17
Service & Repairs
Our qualified and experienced technicians are available to provide fast and friendly service between
the hours of 8:30 am –5:00 pm AEST Monday to Friday. Please contact either your local distributor or
Ecotech regarding any questions you have about your instrument.
Service Guidelines
This manual is designed to provide the necessary information for the setup, operation, testing,
maintenance and troubleshooting of your instrument.
Should you still require support after consulting the documentation, we encourage you to contact your
local distributor for support.
To contact Ecotech directly, please e-mail our Technical Support Services group at
[email protected]m or to speak with someone directly:
Please dial 1300 364 946 if calling from within Australia.
Please dial [phone] if calling from outside of Australia.
Please contact Ecotech and obtain a Return Material Authorisation (RMA) number before sending any
equipment back to the factory. This allows us to track and schedule service work and to expedite
customer service. Please include this RMA number when you return equipment, preferably both inside
and outside the shipping packaging. This will ensure you receive prompt service.
When shipping instrumentation, please also include the following information:
Name and phone number
Company name
Shipping address
Quantity of items being returned
Model number/s or a description of each item
Serial number/s of each item (if applicable)
A description of the problem and any fault-finding completed
Original sales order or invoice number related to the equipment
Shipping Address:
Attention Service Department
Ecotech Pty Ltd
1492 Ferntree Gully Road,
Knoxfield, VIC, Australia 3180.

Serinus® 40 User Manual 3.5
Page 18
Product Compliance and Approvals
The Serinus® 40 Oxides of Nitrogen Analyser, as manufactured by Ecotech Pty Ltd, complies with the
essential requirements of the directives listed below (including CE compliance). The respective
standards have been applied:
Low Voltage Directive (LVD) Directive 2014/35/EU
EN 61010-1:2010
Safety requirements for electrical equipment, for
measurement, control and laboratory use –General
requirements
Electromagnetic Compatibility (EMC) Directive 2014/30/EU
EN 61326-1:2013
Electrical equipment for measurement, control and
laboratory use –EMC requirements –General requirements
Radio Equipment Directive (RED) 2014/53/EU
EN 300 328 V2.1.1
Wideband transmission systems –Data transmission
equipment operating in the 2.4 GHz ISM band and using wide
band modulation techniques
Regulatory Compliance Mark (RCM) –Australia
AS/NZS 4268:2017
Radio equipment and systems –Short range devices –Limits
and methods of measurement
ARPANSA
Radiation Protection Standard
Maximum Exposure Levels to Radiofrequency Fields –3 kHz -
300 GHz –Radiation Protection Series Publication No. 3: 2002
This analyser is also certified to a number of measurement standards –refer to Section 1.2.8

Foreword
Page 19
Manual Revision History
Manual PN: M010028
Current revision: 3.5
Date released: 2 December 2021
Description: User Manual for the Serinus® 40 Oxides of Nitrogen Analyser
This manual is the full user manual for the Serinus® 40 Oxides of Nitrogen Analyser. This manual
contains all relevant information on theory, specifications, installation, operation, maintenance and
calibration. Any information that cannot be found within this manual can be obtained by contacting
Ecotech.
This manual uses cross reference links extensively throughout this manual. The hot keys below will
greatly reduce the amount of time scrolling between references:
You can access the links by pressing the following:
>CTRL + LEFT MOUSE CLICK: Move to the link location
You can switch between links by pressing the following:
>ALT + LEFT ARROW KEY: Returns you to previous Link
>ALT + RIGHT ARROW KEY: Swaps back
Table 2 –Manual Revision History
Edition
Date
Summary
1.0
September 2008
Initial release
1.1
February 2009
General updates, specifications and menu updates
1.2
March 2009
New maintenance procedures
Updated analyser setup
Small corrections
New menu items added
1.3
June 2009
Small correction
Section 4.5 and 4.6 swapped
Updated exhaust description
1.4
November 2009
Small correction
Included Serinus downloader info
Included advanced protocol
1.5
February 2010
Minor changes section
Updated parts list
1.6
September 2010
CE conformity added
Pressurised span/zero added
Updates to rack mount option
Updates to Serinus downloader
Update to 25 pin I/O network communications

Serinus® 40 User Manual 3.5
Page 20
1.7
January 2011
High level option added
Updates to power specifications/battery
Updates to serial communications
Updated maintenance kit
1.8
September 2011
Analog inputs
Network adapter menu
General overhaul of manual drawings, pictures and
content
2.0
July 2012
New chassis
Update menu system
Add Bluetooth menu
Serinus remote Android app
Rack mount procedure update
Analog output calibration
2.1
March 2013
General overhaul of manual drawings, pictures and
content. Format updated
2.2
October 2013
Reformatting of manual with some small technical
changes
2.2
November 2013
Addition of Airodis installation steps
2.3
April 2014
Auto-Ranging Power Supply Added
Main Controller and Rear Panel PCAs changed.
3.0
December 2014
Several drawings added. Manual changed to new V3
standard.
3.1
December 2015
Added IZS option and relevant content sections and
several drawings
3.2
March 2016
Added the Trace option and relevant content
sections and several drawings
3.3
June 2018
Safety Information updated
Product Compliance & Approvals update
3.4
December 2018
Calibration of Instrument in Multiple Gain added.
3.5
December 2021
Manual update to firmware 4.12.0 Rev. Q board.
A number of changes to descriptions, procedures and
menu items.
Added the internal pump menu items, procedures,
and drawings.
Standardization of naming convection applied.