ATI Technologies Q45D User manual

O & M Manual
Model Q45D/50
Portable Dissolved Oxygen
Measurement System
Home Office European Office
Analytical Technology, Inc. ATI (UK) Limited
6 Iron Bridge Drive Unit 1 & 2 Gatehead Business Park
Collegeville, PA 19426 Delph New Road, Delph
Phone: [phone] Saddleworth OL3 5DE
610-917-0991 Phone: [phone]
Fax: [phone] Fax: + 44 (0)1457-874-468
Email: [email protected] Email: [email protected]
Web: www.Analyticaltechnology.com

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Table of Contents
PART 1 - INTRODUCTION..................................4
1.1 GENERAL.................................................4
1.2 FEATURES................................................4
1.3 Q45D/60 PORTABLE SYSTEM SPECS ............5
1.4 Q45D PERFORMANCE SPECIFICATIONS .........6
PART 2 –INSTRUMENT HANDLE/MOUNTING ..7
2.1 GENERAL.................................................7
2.2 PORTABLE HANDLE....................................7
PART 3 –ELECTRICAL CONNECTION ..................8
3.1 GENERAL.................................................8
3.2 DIRECT SENSOR CONNECTION......................8
PART 4 –SENSOR ASSEMBLY..........................11
4.1 OXYGEN SENSOR PREPARATION .................11
4.2 FLOW TYPE D.O. SENSOR.........................13
PART 5 –OPERATION.....................................14
5.1 GENERAL...............................................14
4.2 BATTERY /POWER CIRCUIT BOARD ............14
4.3 BATTERY POWER CIRCUIT BOARD...............16
4.4 VOLTAGE OUTPUTS .................................16
4.5 SOFTWARE INTERFACE..............................17
4.6 KEYS.....................................................18
4.7 DISPLAY ................................................18
4.8 SOFTWARE.............................................19
4.9 SOFTWARE NAVIGATION.......................... 20
5.0 MEASURE MENU [MEASURE] ................ 22
5.1 CALIBRATION MENU [CAL]...................... 22
5.2 CONFIGURATION MENU [CONFIG]........... 23
5.3 CONTROL MENU [CONTROL] ................. 24
5.4 DIAGNOSTICS MENU [DIAG]................... 25
PART 6 –CALIBRATION.................................. 27
6.1 DISSOLVED OXYGEN CALIBRATION.............. 27
6.2 DISSOLVED OXYGEN SPAN CAL (1-SPL) ....... 27
6.3 DISSOLVED OXYGEN SPAN CAL (SAT).......... 28
6.4 DISSOLVED OXYGEN ZERO CAL .................. 29
6.5 TEMPERATURE CALIBRATION .................... 30
PART 7 –SYSTEM MAINTENANCE.................. 31
7.1 GENERAL .............................................. 31
7.2 ANALYZER MAINTENANCE........................ 31
7.3 SENSOR MAINTENANCE........................... 31
7.4 LEAD ANODE REPLACEMENT..................... 32
PART 8 –SERVICE .......................................... 33
8.1 GENERAL .............................................. 33
8.2 EXTERNAL SOURCES OF PROBLEMS ............ 33
8.3 ANALYZER TESTS .................................... 33
8.4 DISPLAY MESSAGES ................................ 33
8.5 SENSOR TESTS ....................................... 35
SPARE PARTS LIST.......................................... 38

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Table of Figures
Figure 1 - Portable Handle - Views (ATI-0688)............................................................................... 7
Figure 2 - Sensor Cable Preparation............................................................................................... 8
Figure 3 - Flow Type Connections (ATI-0658)................................................................................ 9
Figure 4 - Submersible Sensor Connection (ATI-0671)................................................................ 10
Figure 5 - Submersible Sensor Assembly..................................................................................... 11
Figure 6 - Submersible Sensing Module Assy .............................................................................. 12
Figure 7 - Flow Type Sensor Assy (ATI-0860).............................................................................. 13
Figure 5 - Battery Board Connections........................................................................................... 15
Figure 9 - User Interface (ATI-0654) ............................................................................................. 17
Figure 10 - Software Map.............................................................................................................. 21
Figure 11 - Q45D Display Messages............................................................................................. 34
Figure 12 - Pt100 RTD Table ........................................................................................................ 35
Figure 13 - Reference - Barometric Pressure Conv...................................................................... 36
Figure 14 - Reference - Water Sat Conc. Of O2 ........................................................................... 37

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Part 1 - Introduction
1.1 General
The Model Q45D/60 is a highly versatile portable monitoring/recording system designed
for the measurement of dissolved oxygen in solution. The full scale operating range of
the system is 0-40.0 ppm and the sensing system will operate on water streams with
temperatures from 0 to 50

C.
The system operates on two AA batteries, and will run continuously for approximately
240 hours.
Warning: If unit is to be stored for more that 6 months REMOVE the
batteries from the holder to avoid potential damage from battery
leakage
The basic sensing element used in the dissolved oxygen monitor is a galvanic membrane
sensor which measures dissolved oxygen directly.
1.2 Features
Standard Q45P electronic transmitters are designed to be a fully isolated, battery
powered instrument. The monitor can be quickly converted to either a loop power
transmitter or line powered analyzer.
Two 10-bit, isolated, 0-2.5 VDC analog outputs may be configured to track pH and
temperature, or pH and pH. Both analog outputs can be individually programmed to
specific ranges.
Large, high contrast, custom Super-Twist display provides excellent readability The
secondary line of display utilizes 5x7 dot matrix characters for clear message display.
Two of four measured parameters may be on the display simultaneously. An LED back
light can be turned on if necessary for use in very low light conditions.
Sensor diagnostics monitor glass breakage, sensor leaks, and RTD condition.
Diagnostic messages provide a clear description of any problem with no confusing error
codes to look up. Messages are also included for diagnosing calibration problems.
Quick and easy two-point and sample calibration methods include auto-buffer recognition
from 3 built-in buffer tables. To provide high accuracy, all calibration methods include
stability monitors that check temperature and main parameter stability before accepting
data.
Selectable Pt1000 or Pt100 temperature inputs. Systems can also be hard-configured for
three-wire elements. Temperature element can be user calibrated.
Security lock feature to prevent unauthorized tampering with transmitter settings. All
settings can be viewed while locked, but they cannot be changed.

ATIQ45D Portable Dissolved Oxygen Part 1 - Introduction
1.3 Q45D/60 Portable System Specs
Displayed Parameters Main input, 0.00 to 19.99 ppm, 20.0 to 40.0
ppm%Saturation, 0 to 200%
Sensor temperature, 0 to 50.0 °C (32 to122 ºF)
Sensor Signal -40 to +2000 mVDC
Output Values, 0 to 2.5 VDC, Vout #1/#2
Sensor slope/offset
Model number and software version
Display 0.75” (19.1 mm) high 4-digit main display with sign
12-digit secondary display, 0.3" (7.6 mm) 5x7 dot
matrix.Integral LED back-light.
Keypad 4-key membrane type with tactile feedback,
polycarbonate with UV coating.
Enclosure NEMA 4X, polycarbonate, stainless steel hardware,
weatherproof and corrosion resistant,HWD: 4.4" (112
mm) x 4.4" (112 mm) x 3.5" (89 mm)
Mounting Options Handheld w/Nylon Carrying strap
Weight 1 lb. (0.45 kg)
Ambient Temperature Instrument Service, -20 to 60 °C (-4 to 140 ºF)
Sensor Service, -5 to 55°C (23 to 131 °F)
Storage, -30 to 70 °C (-22 to 158 ºF)
Ambient Humidity 0 to 95%, indoor/outdoor use, non-condensing to rated
ambient temperature range
Altitude Up to 2000 m (6562 ft)
Electrical Certification Ordinary Location, cCSAus (CSA and UL standards -
both approved by CSA), pollution degree 2, installation
category 2
EMI/RFI Influence Designed to EN 61326-1
Output Isolation 600 V galvanic isolation
Filter Adjustable 0-9.9 minutes additional damping to 90%
step input
Temperature Input Pt1000 RTD with automatic compensation
Sensor 2-electrode galvanic membrane sensor for
direct measurement of dissolved oxygen,
Sensor Materials Noryl and stainless steel
Sensor Cable 25 ft. (7.5 meter) cable with 6-pin plug.

ATIQ45D Portable Dissolved Oxygen Part 1 - Introduction
Max. Sensor-to-Analyzer 100 feet (30.5 meters), with junction box
Distance
Instrument Power Two generic AA batteries, low battery indication at 1.60V
DC.
Outputs Two 0-2.5 VDC isolated outputs are provided
on for connection to data recorders, etc.
Battery Life Approximately 240 hours of operational use on a set of
batteries (without backlight).
1.4 Q45D Performance Specifications
Accuracy 0.2% of span or better
Repeatability 0.05% of span or better
Sensitivity 0.05% of span
Non-linearity 0.1% of span
Stability 0.05% of span per 24 hours, non-cumulative
Temperature Drift Span or zero, 0.01% of span/ºC
Warm-up Time 3 seconds to rated performance
Instrument Response 6 seconds to 90% of step input, in a given
Time range, at lowest setting

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Part 2 – Instrument Handle/Mounting
2.1 General
The Q45D/60 Portable Dissolved Oxygen System comes complete with a specially
designed handle that allows thesystem to be comfortably carried, or quicklystrapped to
arailing. Although the system is designedto be a portable system, it can be permanently
mounted for longer term fielduse. This is possible due to the very long battery lifespans
that can be achieved with the system.
2.2 PortableHandle
A removable handle is included with each unit that provides not only comfortable
transportation of the system, but the integral locking strap allows the system to be quickly
mounted to pipes or rails for longer term use in one area.
Figure 1 - Portable Handle - Views (ATI-0688)

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Part 3 –Electrical Connection
3.1 General
The sensor cable can be quickly connected to the Q45terminal strip by matching the wire
colors on the cableconductors. A junction box is also available to provide a quick-
disconnect point for the sensor, or a break point for very long sensor cable runs. Route
signal cable away from AC power lines, adjustable frequency drives, motors, or other
noisy electrical signal lines. Do not run sensor or signal cables in conduit that contains
AC power lines or motor leads.
3.2 DirectSensorConnection
The sensor cable should be routed into the enclosure through the right hand cord grip on
the bottom of the enclosure. Make sure the cord-grips are snugly tightened after
electrical connections have been made to prevent moisture incursion. When stripping
cables, leave adequate length for connections in the transmitter enclosure, as shown
below.
Figure 2 - Sensor Cable Preparation

ATIQ45D Portable Dissolved Oxygen Part 3 –Electrical Connection
Figure 3 - Flow Type Connections (ATI-0658)

ATIQ45D Portable Dissolved Oxygen Part 3 –Electrical Connection
Figure 4 - Submersible Sensor Connection (ATI-0671)