Table of Contents
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Table of Contents
Related Manuals for Gas Sense GS-300.A
Summary of Contents for Gas Sense GS-300.A
- Page 1 GS-300.A GS-300.N GAS DETECTORS Operation Manual Revision: A.2...
- Page 2 Copyright 2016 by Invest Electronics All rights reserved. Reproduction in any form, in whole or in part, without the express written consent of Invest Electronics is strictly prohibited. Due to ongoing research and development, the specifications of this product may be changed at any time without notice. INVEST ELECTRONICS Ltd 145, Brezovsko shose Str Plovdiv 4003...
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Page 3: Table Of Contents
7.Front view..............................8.Inside view..............................9.Installation and wiring..........................9.1.Mounting the sensor ..........................9.2.Mechanical mounting ..........................9.3.Electrical connection ..........................9.4.Analogue gas detector GS-300.A ......................9.5.Addressable gas detector GS-300.N ......................10.Operating instructions ..........................10.1.Initial stabilisation ........................... 10.2.Working mode ............................10.3.Alarm 1 ..............................10.4.Alarm 2 .............................. -
Page 4: General Information
General Information This manual is designed to provide users with simple and precise information. Manufacturer shall not be held responsible or liable for any misinterpretation that may result from the reading of this manual. Although every effort is made to ensure accuracy, this manual may contain unintentional technical inaccuracies. -
Page 5: Important Information
Invest Electronics Ltd had been informed of such damages. Warranty We hereby guarantee that gas detectors GS-300.A/GS-300.N have been manufactured and tested to the highest quality standards. We warrant above products to be free from materials and work defects for the period of 24 months from the date of purchase. -
Page 6: Technical Specifications
The detector converts gas concentration into an electric measurement signal and transmits it via the cable for processing to the controller. Gas detectors GS-300.A/GS-300.N are intended for detection of explosive and toxic gases. They are suitable for detection of different gases depending on gas detection element. -
Page 7: Front View
Front view – gas detector GS-300.A Front view – gas detector GS-300.N... -
Page 8: Inside View
Inside view – gas detector GS-300.A Inside view – gas detector GS-300.N... -
Page 9: Installation And Wiring
The electrical connection must be carried out by a specialist and (with the controller) with the power supply disconnected. Analogue gas detector GS-300.A Use shielded cable 3 x 1.5 mm2. The cross section of the cable depends on the cable length. For short distances up to 200 m it may be sufficient to use 0.75 mm2 instead of 1.5 mm2. -
Page 10: Addressable Gas Detector Gs-300.N
CONNECTION DIAGRAME GS-300.A- ANALOGUE GAS DETECTOR 4-20mA Addressable gas detector GS-300.N The addresable gas detector GS-300.N has 2 cable glands – for input and for output cable. Gas detectors must be connected using shielded cable with twisted pair for communication A and B terminals and another pair for the power supply of gas detectors. -
Page 11: Operating Instructions
Operating instructions The gas detector GS-300.A/GS-300.N has the following operation modes: 1.Initial stabilisation Preheating and initial testing of gas sensing element. Indication: Green LED is flashing quickly. 2.Working mode In this mode sensor is ready to detect gas concentration. Indication: Green LED is flashing slowly. -
Page 12: Maintenance And Servicing
3.After 2 more sec yellow LED will turn OFF, red LED is ON and green LED is flashing once every second for the period of 30seconds. In this case you may chose from the following: -To calibrate the sensor - continue holding the button and apply zero gas; -To refuse calibration on ZERO air - release the button (remove the magnetic cap) - red LED will flash for 2 sec. -
Page 13: Ordering Codes
Ordering codes Analogue gas detectors GS- 300.A for combustible gases Model – ordering code Detected gas Gas concentration GS-300.A.MET.100 METHANE 0 - 100% LEL GS-300.A.LPG.100 0 - 100% LEL Analogue gas detectors GS- 300.A for toxic gases Model – ordering code... - Page 14 Addressable gas sensors GS- 300.N for refrigerant gases Model – ordering code Detected gas Gas concentration GS-300.N.AMM.2000 Ammonia 0 - 2000 ppm GS-300.N.134A.2000 R-134a 0 - 2000 ppm GS-300.N.404A.2000 R-404a 0 - 2000 ppm GS-300.N.407C.2000 R-407c 0 - 2000 ppm GS-300.N.410A.2000 R-410a 0 - 2000 ppm...
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