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GTD-1000Tx(2W)
Instruction Manual
Headquarters / Engineering research laboratory :
23 Gunpo Advance d Industry 1-ro(Bugok-dong), Gunpo-si, Gyeonggi-do
Tel +82-31-490-0800 Fax +82-31-490-0801
Yeongnam business office / Plant :
55 Gonghangap-gil 85beon-gil, Gangseogu, Busan Metropolitan City
Tel +51-973-8518 Fax +51-973-8519
E-mail : info@gastron.com
www.gastron.com
Read in detail for correct use.
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Summary of Contents for GASTRON GTD-1000Tx
- Page 1 Headquarters / Engineering research laboratory : 23 Gunpo Advance d Industry 1-ro(Bugok-dong), Gunpo-si, Gyeonggi-do Tel +82-31-490-0800 Fax +82-31-490-0801 Yeongnam business office / Plant : 55 Gonghangap-gil 85beon-gil, Gangseogu, Busan Metropolitan City Tel +51-973-8518 Fax +51-973-8519 E-mail : info@gastron.com www.gastron.com Read in detail for correct use.
- Page 2 Gas detectors satisfying customers. From now on, solve all anguishes concerning Gas detector with the products of Gastron Co. Ltd, We Gastron Co. will take a responsibility and give you satisfaction.
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Page 3: Table Of Contents
GTD-1000Tx(2W) Contents Contents www.gastron.com Instruction Manual 04_05 1. Overview ······································································································································································ 9. Revision History ··························································································································································· 2. Configuration ······························································································································································ 3. Specification ································································································································································ 3.1. Basic Specifications ············································································································································ 3.2. Mechanical Specifications ································································································································· 3.3. Electrical Specifications (Standard Type) ··········································································································· 3.4. Environmental Specifications ···························································································································· 4. Name and Description of Each Part ························································································································... -
Page 4: Overview
Option Rain Cover Transmitter 2Year Body of GTD-1000Tx(2W) is made of Aluminum alloy and the gas sensor module is made of stainless steel. It consists Warranty Sensor 1Year of a complete explosion-proof enclosure (Ex d IIC T6). This product can be installed in areas with potential combustible gas leak and explosion hazards and internal structure consists of 1 PCB board with display part for measurements and ※ Note1. Refer to the measured gas list for measured gases and their ranges. Contact us for special gas. -
Page 5: Electrical Specifications (Standard Type)
CVVS or CVVSB with shield Cable Connection Length Analog 2500m EMC Protection: Complies with EN50270 [Figure 2. GTD-1000Tx(2W) Components] NAME DESCRIPTIONS 3.4. Environmental Specifications Detector housing body Protects PCB Board built in Sensor and Housing from external environmental change and shock. -
Page 6: Installation
It is a site that detects actual gas leak. It converts the amount of gas leak into electrical signal and before performing work. Sensor transmits to the Main PCB. [Table 1. GTD-1000Tx(2W) Components Description] 5.1. Detachment of Housing Cover ■ Turn the slotted set screw (M4 x 1ea) fixing the cover part of main body 3~4 tuns counter clockwise (ccw) using a hex wrench (M2) then turn the cover of gas leak detector ccw to detach the cover. -
Page 7: Main Pcb Configuration
GTD-1000Tx(2W) 5. Installation 5. Installation www.gastron.com Instruction Manual 12_13 5.2. Main PCB Configuration 5.3. Power and Signal Terminal Configuration ■ After detaching the cover, the Main PCB terminal layout appears as shown in the figure below. ■ After disassembling display parts, there is a terminal block in the Main PCB as shown in the figure below. Holding it with hands and pulling towards ceiling detaches it from the Main PCB. ■ Loosen 5 terminal fixing screws located at top part of detached terminal block CN8 (VIS, +, mA, -, ETH) Connector by turning counter-clockwise using a Θ driver. Connect DC 18~24 V power to +, and - then connect signal cable to mA. Tighten 5 terminal fixing screws clockwise (cw) so that terminal does not leave the track then insert Main PCB as the same condition before disassembly. -
Page 8: Method To Connect To External Control Unit
■ Max. Installation Length = VMAXDROP ÷ IMAX ÷ WIRER/m ÷ 2 ·VMAXDROP: Maximum Power Loop Voltage Drop (=Power Supply voltage - min operating voltage) ·IMAX : Max. Current of GTD-1000Tx ·WIRER/m: The resistance of the wire (ohms/meter value available in wire manufacturer's specification data sheet) ■ Example of installation lengths using 24 V power supply and 16 AWG is as follows. ·GTD-1000Tx(2W) minimum operating voltage = 16 Vdc ·VMAXDROP = 24-16 - 5.5 = 2.5V ·IMAX = 0.022A( 22mA ) ·2.5 ÷ 0.022 ÷ 0.01318 ÷ 2 =4,310.9m ≒ 4310m [Figure 6. External Control Unit Connection Method] [Figure 7. Calculation of GTD-1000Tx(2W) Installation Cable Length] ■ Power cable installation for each cable type is as shown in the table below. COPPER RESISTANCE(ohms/m) METERS 3.31 0.00521 10905 2.08 0.00828 6862 1.31 0.01318 4310 0.82... -
Page 9: Calibration And Maintenance
GTD-1000Tx(2W) 6. Calibration and Maintenance 6. Calibration and Maintenance www.gastron.com Instruction Manual 16_17 ■ S tabilization time of 30 min from the initial supply of operation power to the sensor for the stabilization of the sensor. 6.3. SPAN Calibration Calibration and test must be performed approx. 30 min after when the sensor has been stabilized. ■ Check connection between terminal block 'CN1' and the receiver then confirm voltage input of 18 ~ 31 V. ■ Change DMM to current measuring mode, then connect (+) and (-) terminals or DMM to TP5 (+mA) and TP6(-mA) 6.1. 4-20mA Output Diagnosis of AMP PCB, respectively. -
Page 10: Drawings And Dimensions
Avoid areas with vibration or shock since they can affect output values. Sensor part must be installed towards the direction of gravity. ■ This equipment has explosion-proof construction for internal pressure and belongs to GROUP II for gas and vapor in general work sites and chemical plants. It can be used in ZONE 1 (ONE) and ZONE 2 (TWO) hazardous sites. ■ Allowable temperature is 85 C or below, which corresponds to T6. [Figure 11. GTD-1000Tx(2W) Drawing]... -
Page 11: Precautions Before Installation
GTD-1000Tx(2W) 8. Precautions before Installation 9. Revision History www.gastron.com Instruction Manual 20_21 ■ Use with surrounding temperature in a range of -20 C ~ 50 C. VERSION CONTENTS DATE ■ Installation Height: 1,000 M below sea level * Manual Initial Revision 2013.06.09 ■ Relative Humidity: 5% ~ 99% * Gas calibration method changed 2014.09.19 * mA Calibration Mode added 2014.10.24 ■ Installation Site: Indoor and Outdoor * Changed Font 2014.12.26 ■ Explosion Ignition Grade for the Gas or Vapor: Ex d IIC T6...
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