Gas Montoring System, Gas Detector, Flow Switches, Condensing Pots, Venturies, Annubar, Flow Nozzles, Thane, India

Gas Detector - Gasext 108

 
 INTRODUCTION :

 
Gas leaks are a major hazard in oil & gas industries, sewage
 treatment plants and high rise buildings with piped gas
 distribution. It is inevitable to monitor the gas leaks to prevent
 potential threats to precious plant equipments and human. For
 these applications, Megi control offers the GASEXT-108 the
 flammable gas detector
.
 
 GASEXT-108 flammable is certified Ex-d and is a 3 wire device
 which can be used in conjunction with a interface device. The
 pellistor is driven from a 300mA constant current supply which is
 adjusted on the Interface Module to develop a 2V drop across
 the pellistor. The GASEXT-108 electronics operate on a 24V loop
 and is compatible with a wide range of receiving devices such as
 panel mounted indicators/recorders, PLC/DCS Systems including
 the custom built third party systems.


 During normal operation the display indicates gas concentration.
 As an option the display can be left blank. Calibration mode and
 other operational programmes are available and are accessed
 from the front panel push-button.

 
 
 GASEXT are manufactured in stainless steel construction and its versatile design is compatible for use with wide
 range of pellistor sensors. Thus GASEXT-108 is suitable for use in almost every onshore and offshore application.
 The Sensor has the unique benefit of interchangeability between pellistor and sinter. This provides better thermal
 stability over a wider range. GASEXT-108 is available with a range of accessories as required for the applications,
 including weather protection and calibration adaptors.

 GASEXT-108 flammable is certified Ex-d and is a 3 wire device which can be used in conjunction with a interface
 device. The pellistor is driven from a 300mA constant current supply which is adjusted on the Interface Module
 to develop a 2V drop across the pellistor. The GASEXT-108 electronics operate on a 24V loop and is compatible
 with a wide range of receiving devices such as panel mounted indicators / recorders, PLC/DCS Systems including
 the custom built third party systems.
 
 During normal operation the display indicates gas concentration. As an option the display can be left blank.
 Calibration mode and other operational programmes are available and are accessed from the front panel
 push-button.


 FEATURES:
 The GASEXT-108 transmitter provides a 4-20 mA output signal that can be connected to any control system
 (DCS, PLC, etc.). With advanced sensor technology and microcontroller based operation, the GASEXT-108
 provides continuous monitoring of hazardous gases.
 
 
* The GASEXT-108 transmitter can accept any GasPoint sensor type: electrochemical, catalytic or IR (Infrared).
   All plug-in-sensor assemblies are field-interchangeable.
 
* Non-intrusive, one-person calibration with auto Zero and auto span.
 
* Alphanumeric LCDs advice LPG hazard condition.
 
* Field programmable.
 
* Extensive fault diagnostics
 
* Continuous (%LEL) readout of gas concentration.
 Technical Specifications:-
 Gas To Detect :  Hydrocarbons Gas.
 Range :  Standard 0-100% LEL
 Zero drift :  Non-reversible-±2% LEL/year, Reversible-±1% LEL/year
 Linearity :  ± 2% LEL
 Repeatability :  ± 2% LEL
 Sensor Type :  Catalytic
 Response Time :  T 90< 15 Sec Depending on the sensor type
Oper. Temperature :  0-50șC
Signal (for Sensor) 2.2 V DC 280mA
Transmission 4-20mA (3 wire)
Transmitter Supply Standard 24 V DC

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