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Gas Detection (Australia) Pty Ltd

GTD 2000 Ex Operating Manual

Page 12 of 26

M-GTD2000Ex-01-01

-

mA

SHILD

EARTH

SENSOR

(탐지기)

17

16

15

+

(GTC-200A Control unit)

5.3.2 Connecting to other external power source

Connect 21-27 V DC source to CN1 (+, mA, -, ET) connection terminal of GTD-2000Ex Gas
Detector.

Connect signal-detecting application to mA, GND connection terminal for 4-20mA signal
output.

+

GND(0V)

mA

-

+24V DC

SIGNAL

SHILD

EARTH

Gas Detection for

Defence

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Содержание GTD 2000Ex

Страница 1: ...ANUAL This manual must not be copied or reproduced in any part without the express written permission of Gas Detection Australia Pty Ltd All information contained within is subject to modification Cop...

Страница 2: ...ee months with a calibration gas Without periodic checking and calibration part change time can be missed to lead to disorder of the system Please contact our technical service or e mail about a check...

Страница 3: ...CONTENTS 1 INTRODUCTION 4 2 DETECTION PRINCIPLE STRUCTURE 4 3 SPECIFICATIONS 4 4 PARTS NAME MAJOR FUNCTIONS 7 5 WIRING DIAGRAMS 9 6 APPEARANCE AND DIMENSIONS 13 7 PARAMETER PROGRAM 14 8 CALIBRATIONS 1...

Страница 4: ...n combustible gas contacts with the sensor part a combustion reaction occurs This reaction increases the temperature of the sensor part which increases the electrical resistance The change of the elec...

Страница 5: ...able 20 LEL 90 LEL in 1 LEL increments Analogue output during calibration 3 0mA Analogue output during fault 0mA Repeatability Short term 3 LEL over 1 hour Repeatability Long term 10 LEL over 3 months...

Страница 6: ...20 mA Analog output current ripple noise max 20uApp Analog output termination resistance including total cable resistance 600 3 6 Cross sensitivity Combustible gases Cross sensitivity relative to CH4...

Страница 7: ...9 RESET SWITCH 2 DETECTOR HOUSING COVER 10 SWITCH 3 AMP MAIN PCB 11 SWITCH 4 DISPLAY PARTS 12 EXTERNAL GROUND 2sq CABLE 5 POWER mA TERMINAL 13 MOUNT HOLES 7 6 SENSOR TERMINAL 14 SENSOR 7 POWER LED 15...

Страница 8: ...for DC 21 27V power ET and for 4 20mA signal mA 4 6 Sensor Terminal CN2 is connection terminal for sensor Red White Green and Blue 4 7 Power LED When the power is supplied the lamp will turns on 4 8...

Страница 9: ...h electric field 4 13 Mount Hole 7 3ea These holes are used to fix the detector to wall and other places 4 14 Sensor Sensor detects actual gas leakage and sends electric signal to AMP PCB 4 15 Cable i...

Страница 10: ...air in our company Otherwise it is possible to suffer for loss of lives and calamity caused by the fire or explosion accident Also please do work after shut off the power certainly and check whether c...

Страница 11: ...ply to of CN1 mA ET terminal block and signal cable to mA terminal And insert this terminal block to AMP PCB Caution Please use shield cable CVVS or CVVSB 1 5sq only 5 3 1 Connecting to GTC 100A GTC 2...

Страница 12: ...16 15 GTC 200A Control unit 5 3 2 Connecting to other external power source Connect 21 27 V DC source to CN1 mA ET connection terminal of GTD 2000Ex Gas Detector Connect signal detecting application...

Страница 13: ...Gas Detection Australia Pty Ltd GTD 2000 Ex Operating Manual Page 13 of 26 M GTD2000Ex 01 01 6 APPEARANCE AND DIMENSIONS 103 25 35 110 110 120 136 42 63 166 2 7 RESET SERIAL No DATE FUNC...

Страница 14: ...OGRAM Table 1 Display menu Menu Display Level1 Level2 Level3 Level4 PASSWORD CHECK PROGRAM MODE GAS SEL UNIT SEL D POINT HIGH SCL CALIBRA MODE CALIBRA ZERO ZERO CAL YES ZERO GAS CAL DATA CALIBRA SPAN...

Страница 15: ...systematically when every touching switch P R O G R A M Touch FUNC switch when program mode is display will set the detector to PROGRAM MODE Touch RESET switch to go back to the detecting mode G A S S...

Страница 16: ...of high scale to be displayed when LCD is full scale of detection range it ll increase or decrease when every touching or switch H I G H S C L Touch FUNC switch when desired value of high scale is di...

Страница 17: ...et by user with or switch and touch FUNC switch to go into Menu selection mode P R O G R A M By touching or switch select CALIBRA MODE Touch FUNC switch when calibration mode is displayed and detector...

Страница 18: ...LCD and the detector will go to CALIBRA MODE ZERO GAS ZERO GAS Touch RESET switch to go back to calibration mode C AL DATA This is the mode that displays measured value after calibration and confirms...

Страница 19: ...ool Touch FUNC switch again when the reading is stabilized and the detector will go to span value setting mode Touch or switch to reset holding value and the current measured value is displayed and he...

Страница 20: ...enu selection mode P R O G R A M By touching or switch select CALIBRA MODE Touch FUNC switch when calibration mode is displayed and detector will enter into calibration item mode C A L I B R A Touch R...

Страница 21: ...ctor will go into PASSWORD MODE PASSWORD Input password 2 digits set by user with or switch and touch FUNC switch to go into Menu selection mode Select S W VERSION MODE by touching or switch V E R S I...

Страница 22: ...und 2 6V Touch RESET switch to go back to the detecting mode 4 m A This mode is to control 4mA output current when LCD display is zero Output current is changed when every touching or switch Detector...

Страница 23: ...A S 4 FAULT3 Sensor failure or no sensor connected Sensor Check 5 FAULT4 Sensor power failure Contact to Gastron for A S 6 Under Zero sensitivity of Sensor falls under 15 compared with Full Scale Zer...

Страница 24: ...akage is suspected However if the place has hazard of gas dwelling but does not have direct leakage the detectors should be installed in following places 1 Gas leakage detectors which are installed ou...

Страница 25: ...emperature is below 85 Operating temperature is between 20 60 Installation Below 1000M above sea level Relative humidity 10 to 95 Installation site In Out door Explosion ignition proof approval Ex d I...

Страница 26: ...is a Queensland based company specialising in the design and manufacture of gas sensor and gas detection systems For full assistance with your application please contact GDA 61 7 4613 5111 www gdadefe...

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