HACH LANGE 9185sc User manual

DOC023.52.00051
9184sc Chlorine
9185sc Ozone and
9187sc Chlorine Dioxide Analyzer
USER MANUAL
02/2013 Edition 2A

© HACH LANGE GmbH, 2005, 2013. All rights reserved. Printed in Germany.

1
Table of Contents
Section 1 Specifications .........................................................................................................................................3
Section 2 General Information ...............................................................................................................................5
2.1 Safety Information ...............................................................................................................................................5
2.1.1 Use of Hazard Information .........................................................................................................................5
2.1.2 Precautionary Labels .................................................................................................................................5
2.2 General Sensor Information ................................................................................................................................6
2.3 Theory of Operation.............................................................................................................................................6
Section 3 Installation...............................................................................................................................................9
3.1 Mounting the Analyzer.........................................................................................................................................9
3.1.1 Environmental Considerations ...................................................................................................................9
3.1.2 General Installation Considerations .........................................................................................................10
3.2 Choosing the Sample Line Location..................................................................................................................10
3.3 Connecting the Sample Stream.........................................................................................................................10
3.4 Connecting the Waste Stream........................................................................................................................... 11
3.5 Assembling and Placing the Probe.................................................................................................................... 11
3.5.1 Probe Assembly....................................................................................................................................... 11
3.5.1.1 Placing the Probe Into the Flow Thru Assembly.............................................................................13
3.5.1.2 Using the Optional pH (9184sc TFC only)......................................................................................15
3.6 Connecting the Sensor with the sc Controller ...................................................................................................15
3.6.1 Attaching a sc Sensor with a Quick-connect Fitting .................................................................................15
3.7 Instrument and Controller Startup......................................................................................................................16
Section 4 Operation...............................................................................................................................................19
4.1 Using the sc Controller ......................................................................................................................................19
4.2 Sensor Data Logging.........................................................................................................................................19
4.3 Sensor Setup.....................................................................................................................................................19
4.3.1 Changing the Sensor Name and Parameter Selection ............................................................................19
4.4 Sensor Diagnostics Menu..................................................................................................................................20
4.5 Sensor Setup Menu...........................................................................................................................................20
4.6 Calibration .........................................................................................................................................................21
4.6.1 Temperature Sensor Calibration ..............................................................................................................21
4.6.1.1 Adjusting the Temperature .............................................................................................................22
4.6.2 pH (9184sc T.F.C. or 9184sc Chlorine + Acid only) .................................................................................22
4.6.2.1 Process pH 1 Point Sample............................................................................................................22
4.6.2.2 Process pH 2 Point Sample............................................................................................................23
4.6.3 Concentration Calibration ........................................................................................................................23
4.6.3.1 Process Calibration ........................................................................................................................24
4.6.4 Zero Calibration .......................................................................................................................................24
4.6.4.1 Chemical Zero Calibration ..............................................................................................................25
4.6.5 Calibration Configuration .........................................................................................................................25
4.7 Set Calibration Defaults ....................................................................................................................................25
Section 5 Maintenance..........................................................................................................................................27
5.1 Maintenance Schedule ......................................................................................................................................27
5.2 Scheduled Maintenance ....................................................................................................................................27
5.2.1 Replacing the Membrane.........................................................................................................................27
5.2.2 Replacing the Tubing ...............................................................................................................................28
5.2.3 Replacing the Electrolyte .........................................................................................................................28
5.2.4 Replacing the pH Electrode (9184sc only)...............................................................................................28

2
Table of Contents
Section 6 Troubleshooting................................................................................................................................... 29
6.1 Error Messages................................................................................................................................................. 29
6.2 Warning Messages ........................................................................................................................................... 29
Section 7 Replacement Parts and Accessories ................................................................................................. 31
7.1 Replacement Parts, Sensor Only...................................................................................................................... 31
7.2 Replacement Parts............................................................................................................................................ 31
7.3 Optional Accessories ........................................................................................................................................ 31
7.4 Extension Cables .............................................................................................................................................. 32
Section 8 Contact.................................................................................................................................................. 33
Section 9 Warranty, liability and complaints ...................................................................................................... 35
Appendix A 9184sc Theory of Operation............................................................................................................ 37
A.1 Theory of Operation ................................................................................................................................... 37
A.1.1 Principle of Operation ....................................................................................................................... 37
Appendix B 9185sc Theory of Operation............................................................................................................ 39
B.1 Theory of Operation ................................................................................................................................... 39
B.1.1 Principle of Operation ....................................................................................................................... 39
Appendix C 9187sc Theory of Operation............................................................................................................ 41
C.1 Theory of Operation ................................................................................................................................... 41
C.1.1 Principle of Operation....................................................................................................................... 41
Appendix D Modbus Register Information ......................................................................................................... 43

3
Section 1 Specifications
Specifications are subject to change without notice
General
Mounting Flat, vertical surface such as a wall, panel, stand, etc.
Analyzer Dimensions 10.63 x 9.84 in. (270 x 250 mm)
Analyzer Weight 6.5 kg (14.3 lb)
Materials Electrode: gold cathode/silver anode; probe body: PVC; measuring cell: acrylic
Sample Requirements
Sample Flow Rate to Analyzer Flow rate should allow for 14 L/hr minimum
Minimum Inlet Pressure to
Instrument 0.1–2 bar (1.4–28 psi)
Minimum Flow Rate 14 L/hr auto-regulated by flow thru cell
Pressure Range 0.1–2 bar (1.4–28 psi) influent; flow cell pressure will be the atmospheric pressure
Sample Temperature Range +2–45 °C (35.6–113 °F)
Temperature Compensation Automatic over the sample Temperature Range
Sample pH 4 to 8 (acidification unit available for >8 pH)
Sample Inlet Tubing: at
instrument ¼ in. OD
Drain Fitting ½in. ID (supplied)
Application Sample Clean water
Electrical
Power Consumption 12 V, 1.5 Watts provided by sc controller
Performance
9184sc 9185sc 9187sc
Measurement Range 0–20 ppm (0–20 mg/L) HOCl 0–2 ppm (0–2 mg/L) O30–2 ppm (0–2 mg/L) ClO2
Detection Limit 5 ppb (0.005 mg/L) HOCl 5 ppb (0.005 mg/L) O310 ppb (0.01 mg/L) ClO2
Accuracy 2 % or ±10 ppb HOCl,
whichever is greater
3 % or ±10 ppb O3,
whichever is greater
5 % or ±10 ppb ClO2,
whichever is greater
Standard Deviation 0.7 % 1.0 % 1.5 %
Interference
No interference from
chloramines.
Ozone and chlorine dioxide
interfere with measurement.
No interference from
chlorine, chloramines,
hydrogen peroxide, bromine,
or chlorine dioxide.
None
Repeatability ±10 ppb (0.01 mg/L) or ±5 %, whichever is greater at a pH < 7.5
Response Time 90 % < T=90 seconds
Measurement Interval Continuous
Measurement Technology Amperometric/Membrane (electrode, membrane, electrolyte)
Calibration
Electrical zero or chemical zero with dechlorinated or deozoned water; calibration of the
slope by comparison with a laboratory instrument; pH calibration (9184sc only) with Single or
Two Point using standards or comparison with lab method with the process sample.
Calibration Interval 2 months for typical application
Maintenance
Maintenance Interval,
Measurement Cell 6 months for the membrane and electrolyte for typical operation (3 to 12 month range)
Maintenance Interval, pH 1 to 1.5 years for typical operation