ATI Technologies Q45P Manuel utilisateur

O & M Manual

Model Q45P

Portable pH

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: 800-959-0299 Saddleworth OL3 5DE

610-917-0991 Phone: +44 (0)1457-873-318

Fax: 610-917-0992 Fax: + 44 (0)1457-874-468

Email: [email protected] Email: [email protected]

O&M Manual

Rev-B (7/15)

Table of Contents

PART 1 - INTRODUCTION..................................4

1.1 General.......................................................4

1.2 Features......................................................5

1.3 Q45P System Specifications......................6

1.4 Q45P Performance Specifications .............7

PART 2 –INSTRUMENT

HANDLE/MOUNTING..........................................8

2.1 General.......................................................8

2.2 Portable Handle .........................................8

PART 3 –SENSOR ELECTRICAL

INSTALLATION.....................................................9

3.1 General.......................................................9

3.2 Direct Sensor Connection..........................9

3.3 Combination Electrode Connection.........11

3.4 External Temperature Compensation ......12

PART 4 –CONFIGURATION.............................13

4.1 General.....................................................13

4.2 Battery / Power Circuit Board .................13

4.3 Battery Power Circuit Board....................15

4.4 Voltage Outputs.......................................15

4.5 User Interface...........................................16

4.51 Keys.....................................................17

4.52 Display.................................................17

4.6 Software...................................................19

4.7 Software Navigation...........................19

4.8 Measure Menu [MEASURE]...............22

4.9 Calibration Menu [CAL] ..........................23

4.10 Configuration Menu [CONFIG] .........24

4.11 Control Menu [CONTROL] ...............27

4.12 Diagnostics Menu [DIAG].........................28

PART 5 –CALIBRATION...................................31

5.1 Overview and Methods............................31

5.11 Sensor Slope ........................................31

5.12 Sensor Offset .......................................32

5.13 2-Point Calibration Explained .............32

5.14 1-Point Calibration Explained .............32

5.2 Performing a 2-Point Calibration.............32

5.3Performing a 1-Point Calibration.............34

5.4 Temperature Calibration..........................36

PART 6 –SYSTEM MAINTENANCE ...............37

6.1 System Checks.........................................37

6.2 Instrument Checks ...................................37

6.3 Display Messages ....................................38

PART 7 –MAINTENANCE AND

TROUBLESHOOTING........................................41

7.1 Cleaning the Sensor.................................41

7.2 Replacing the Saltbridge and Reference

Buffer Solution ....................................................42

7.3 Troubleshooting.......................................43

SPARE PARTS......................................................45

O&M Manual

Rev-B (7/15)

Table of Figures

FIGURE 1-PORTABLE HANDLE -VIEWS ........................................................................................ 8

FIGURE 2-BULKHEAD CONNECTION............................................................................................. 9

FIGURE 3-SENSOR CONNECTION ...............................................................................................10

FIGURE 4-SENSOR CONNECTIONS,COMBINATION ELECTRODES..................................................11

FIGURE 5-EXTERNAL TEMPERATURE COMPENSATION .................................................................12

FIGURE 6-BATTERY BOARD CONNECTIONS.................................................................................14

FIGURE 7-USER INTERFACE.......................................................................................................16

FIGURE 8-SOFTWARE MAP ........................................................................................................21

FIGURE 9-AUTOMATIC PHBUFFER TABLES.................................................................................27

FIGURE 10 -REPLACING THE SALTBRIDGE AND REFERENCE BUFFER.............................................42

O&M Manual

Rev-B (7/15)

Part 1 - Introduction

1.1 General

The Model Q45P pH monitor provides an extremely versatile measurement

system for monitoring/recording of pH over the range of 0.00 to 14.00 pH.

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 Q45P displays pH, sensor temperature, sensor output millivolts, and output

mV signals on the secondary line of the custom display. The instrument may be

used with either the high performance Q25 series sensors or with combination-

style electrodes.

ATI Q45P pH System Part 1 –Introduction

O&M Manual

Rev-B (7/15)

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.

ATI Q45P pH System Part 1 –Introduction

O&M Manual

Rev-B (7/15)

1.3 Q45P System Specifications

Enclosure NEMA 4X, polycarbonate, stainless steel hardware,

weatherproof and corrosion resistant,

HWD: 4.4" (112 mm) × 4.4" (112 mm) × 3.5" (89 mm)

Mounting Options Handheld w/ Nylon Carrying Strap

Weight 1 lb. (0.45 kg)

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 for visibility in the dark.

Keypad 4-key membrane type with tactile feedback, polycarbonate

with UV coating.

Ambient Temperature Service, -20 to 60 °C (-4 to 140 ºF)

Storage, -30 to 70 °C (-22 to 158 ºF)

Ambient Humidity 0 to 95%, indoor/outdoor use, non-condensing to rated

ambient temperature range

Electrical Certification Ordinary Location, cCSAus (CSA and UL standards - both

approved by CSA), pollution degree 2, installation category

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 Selectable Pt1000 or Pt100 RTD with automatic

compensation

Displayed Parameters Main input, 0.00 to 14.00 pH

Sensor temperature, -10.0 to 110.0 °C (14 to 230ºF)

Output Values, 0 to 2.5 VDC, Vout #1/#2

Sensor slope/offset

Model number and software version

Main Parameter Ranges 0.00 to 14.00 pH

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.

ATI Q45P pH System Part 1 –Introduction

O&M Manual

Rev-B (7/15)

Battery Life: Approximately 240 hours of operational use on a set of

batteries (without backlight).

1.4 Q45P Performance Specifications

(Common to all variations)

Accuracy 0.1% of span or better (± 0.01 pH)

Repeatability 0.1% of span or better (± 0.01 pH)

Sensitivity 0.05% of span (± 0.01 pH)

Stability 0.05% of span per 24 hours, non-cumulative

(± 0.007 pH)

Warm-up Time 7 seconds to rated performance

Instrument Response Time 6 seconds to 90% of step input at lowest setting

Temperature Drift Span or zero, 0.02% of span/°C

Max. Sensor-Instrument 3,000 ft. (914 meters) w/ preamp,

Distance 30 ft. (9.1 meters) w/o preamp

Sensor Types Model Q25P pH w/ preamp - 5 wire input, or combination

style pH electrode w/ TC - 2 wire input

Equipment bearing this marking may not be discarded by traditional

methods in the European community after August 12 2005 per EU Directive

2002/96/EC. End users must return old equipment to the manufacturer for

proper disposal.

O&M Manual

Rev-B (7/15)

Part 2 – Instrument Handle/Mounting

2.1 General

The Q45P Portable pH System comes complete with a specially designed handle

that allows the system to be comfortably carried, or quickly strapped to a railing.

Although the system is designed to be a portable system, it can be permanently

mounted for longer term field use. This is possible due to the very long battery

life spans that can be achieved with the system.

2.2 Portable Handle

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

O&M Manual

Rev-B (7/15)

Part 3 – Sensor Electrical Installation

3.1 General

The sensor cable can be quickly connected to the Q45 terminal strip by matching

the wire colors on the cable conductors. Keep signal cable away from AC power

lines, adjustable frequency drives, motors, or other noisy electrical signal lines.

3.2 Direct Sensor Connection

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 - Bulkhead Connection

ATI Q45P pH System Part 3 –Installation

O&M Manual

Rev-B (7/15)

Figure 3 - Sensor Connection

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