ATI Technologies Q45CT Manuale utente

O & M Manual

Model Q45CT

Portable Toroidal Conductivity

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-G (7/15)

Table of Contents

TABLE OF FIGURES ............................................3

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

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

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

1.3 Q45CT System Specifications...................6

1.4 Q45CT Performance Specifications ..........7

PART 2 –SYSTEM SPECIFICATIONS ...............8

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

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

PART 3 –ELECTRICAL INSTALLATION........9

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

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

3.3 Sensor Connection...................................10

PART 4 –CONFIGURATION.............................11

4.1 General.....................................................11

4.2 Battery / Power Circuit Board .................11

4.3 Battery Power Circuit Board....................13

4.4 Voltage Outputs.......................................13

4.5 User Interface...........................................14

4.51 Keys.....................................................15

4.52 Display.................................................15

4.6 Software...................................................17

4.61 Software Navigation...........................17

4.7 Measure Menu [MEASURE]...............19

4.8 Calibration Menu [CAL] ..........................20

4.9 Configuration Menu [CONFIG] .........21

4.10 Control Menu [CONTROL] ...............23

4.11 Diagnostics Menu [DIAG].....................24

PART 5 –CALIBRATION...................................27

5.1 Overview and Methods............................27

5.11 1-Point Calibration Explained .............27

5.12 Zero Cal Calibration Explained...........28

5.2 Performing a 1-Point Calibration.............28

5.3 Performing a Cell Factor Calibration.......30

5.4 Performing a Sensor Zero Calibration .....30

5.5 Temperature Calibration..........................31

5.6 TC Factor Calibration..............................32

PART 6 –SYSTEM MAINTENANCE ...............33

6.1 System Checks.........................................33

6.2 Instrument Checks ...................................33

6.3 Display Messages ....................................34

SPARE PARTS......................................................37

O&M Manual

Rev-G (7/15)

Table of Figures

FIGURE 1–PORTABLE UNIT OVERVIEW........................................................................................ 8

FIGURE 3-SENSOR CABLE PREPARATION .................................................................................... 9

FIGURE 4-SENSOR CONNECTIONS .............................................................................................10

FIGURE 5-BATTERY BOARD CONNECTIONS.................................................................................12

FIGURE 6-USER INTERFACE.......................................................................................................14

FIGURE 7-SOFTWARE MAP ........................................................................................................18

FIGURE 8-NACL REFERENCE SOLUTION FOR CALIBRATION..........................................................28

O&M Manual

Rev-G (7/15)

Part 1 - Introduction

1.1 General

The Model Q45CT Portable Conductivity monitor/analyzer provides an extremely

versatile measurement system for monitoring and control of conductivity over the

range of 20 µS/cm to 2.000 Siemen/cm.

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 Q45CT portable displays conductivity and sensor temperature. The

instrument is used with the high performance toroidal sensors.

ATI Model Q45CT Toroidal Cond. Portable Transmitter Part 1 - Introduction

O&M Manual

Rev-G (7/15)

1.2 Features

•Standard Q45CT electronic transmitters are designed to be a fully isolated,

battery operated 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

conductivity and temperature. Both analog outputs can be individually

programmed to fail to specific values.

•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 backlight can be turned on if necessary for use in very

low light conditions.

•Sensor diagnostics monitor electrode coating/fouling, 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 one-point calibration method and sensor zero-cal. To provide

high accuracy, all calibration methods include stability monitors that check

temperature and main parameter stability before accepting data.

•High accuracy Pt1000 temperature input. 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 Model Q45CT Toroidal Cond. Portable Transmitter Part 1 - Introduction

O&M Manual

Rev-G (7/15)

1.3 Q45CT 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 Hand held.

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 Pt1000 RTD with automatic compensation

Displayed Parameters Main input, 0.0 μS to 2000 mS

% Concentration (if enabled)

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

MainParameterRanges Automatic or manual selection of the following:

0 to 2000 S

0.0 to 2.000 mS

0.00 to 20.00 mS

0.0 to 200.0 mS

0 to 2000 mS

0.000 to 2.000 S

Power: Two generic AA batteries, low battery indication at 1.60V

DC.

ATI Model Q45CT Toroidal Cond. Portable Transmitter Part 1 - Introduction

O&M Manual

Rev-G (7/15)

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 Q45CT Performance Specifications

(Common to all variations)

Accuracy 0.3% of span or better (± 10 μS)

Repeatability 0.3% of span or better (± 10 μS)

Sensitivity 0.05% of span (± 1 μS)

Stability 0.1% of span per 24 hours, non-cumulative

Warm-up Time 7 seconds to rated performance

Supply Voltage Effects ± 0.05% span

Instrument Response Time 12 seconds to 90% of step input at lowest setting

Temperature Drift Span or zero, 0.03% of span/°C

Max. Sensor-Instrument 60 ft. (18.3 meters)

Distance

Sensor Type Toroidal - 6 wire (paired and shielded) input

O&M Manual

Rev-G (7/15)

Part 2 –System Specifications

2.1 General

The Q45CT Portable Conductivity 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 Unit Overview

O&M Manual

Rev-G (7/15)

Part 3 – 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 to the color designations on the label in the monitor.

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 - Sensor Cable Preparation

ATI Model Q45CT Portable Transmitter Part 3 –Electrical Installation

O&M Manual

Rev-G (7/15)

3.3 Sensor Connection

Figure 3 - Sensor Connections

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