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MSR Germany CH4, Methane Gas Detection Sensor For Oil and Gas Industry

Gas Alarm Systems – India (http://www.alviautomation.com)  in association with Gas Alarm Systems – Australia (http://www.gasalarm.co.au) offer IECEx Methane Gas Transmitter PX2-X-X-I3400-A PolyXeta II

Product Description

Methane is a colourless & odourless gas and is a main component of natural gas. Methane leakage, if goes undetected may result in a potential major hazard. The largest source of industrial emission of methane is from Oil and Gas industry. Hence methane gas detection plays a major role  in Oil & Gas industry.


Methane gas is present and can get accumulated at drilling sites, storage tanks or transmission pipelines. Undetected leak can create hazardous concentrations of combustible gases, putting equipment, facilities, and personnel at risk. Hence methane gas detection is critical for protecting people and property from these hazards. It’s vital to have detection equipment that can alert those nearby to dangerous levels of methane.


There are many factors to consider when selecting an appropriate methane gas sensor. Apart from accuracy, installation and working conditions, area classifications and functional safety also plays a critical role in choosing the best gas sensor for a particular application.


GasAlarm presents gas sensor from PolyXeta II series for continuous monitoring of methane gas. It’s a microprocessor based gas sensor with 4-20mA/RS 485 output signal. It can be supplied with LCD display with green or red backlight. The PolyXeta II methane gas sensor comes with SIL 2 approval for safety related applications and carries an IECEx hazardous area certification. It can also be supplied with a flameproof enclosure.

Continuous monitoring can help in early detection of methane leakage and prevent gas emissions in the atmosphere

PX2-X-X-I3400-A PolyXeta II IECEx Methane Gas Transmitter.
Microprocessor based analog gas transmitter with 4–20 mA output signal for monitoring the ambient air and detecting flammable Methane gases and vapours measuring in the lower explosion limit (0-100 %LEL) by means of a catalytic sensor (pellistor). The MSR gas transmitter is used in industrial ranges like oil/gas, petrochemical industry, power plants, mining etc. in Ex Zone 1 and 2.


  • (0) 4-20 mA analog signal output
  • Comes in sealed unit which is safe for opening in Zone 1 without switching off.
  • IECEx Certification MSR Electronic
  • SIL 2 Certification for RS485 / 4-20 Analog / Relay for safety functions
  • ATEX Certifications MSR Electronic / Sensitron
  • Continuous Monitoring
  • Microprocessor with 12 bit converter resolution
  • Self diagnostic procedure
  • Easy Calibration, housing can be opened in zone 1, during operation.
  • Reverse Polarity / Overload Proof
  • Certified for Zone 1 / Zone 2
  • Optional Extras:
    • LCD display
    • Relay Set & LCD
    • Relay Set

Built for a standard output of 4-20 mA analog signal output, this transmitter is compatible with the PolyGard series controllers the MGC/DGC as well as any other electronic control or automation system.


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