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Gas Detection (Australia) Pty Ltd

GTD 2000 Ex Operating Manual

Gas Detection for

Defence

Gas Detection (Australia) Pty Ltd 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.gdadefence.com.au

[email protected]

PO Box 597 Darling Heights. QLD 435

© Copyright Gas Detection (Australia) Pty Ltd Dec 2008

Summary of Contents for GTD 2000Ex

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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