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ALVI Automation (Gas Alarm Systems) MSR Germany CH4, Methane Sensor, Polygard Gas Detector

ALVI Automation India ( in association with Gas alarm systems, Australia ( are  pleased to offer MSR Germany, Polygard Gas monitor for CNG, LNG, Natural Gas CH4, Methane.

Methane, CH4, is highly combustible gas and is also highly explosive at high concentrations.

Gas Alarm India with ALVI Technologies Australia ( have MSR Gas Detector, Gas Analyzer, Gas Sensor, Gas Transmitter under MSR Polygard range to meet world critical safety standards for life and plant protection

Our product range includes MSR microgard, MA, MC2,  ADT, SPC.

All products and systems are manufactured by Germany , hence quality and reliability are assured.

 Continuous monitoring
 Integrated gas sensor
 Good resistance to poisoning
 Long life expectancy
 Modular design (plug-in technology)
 Standard version with display/LED/keyboard and internal buzzer
 Reverse polarity protected, overload-proof and short-circuit-proof
 (0) 4 – 20 mA / (0) 2 – 10V analog signal output
 2 x relay outputs 30 VAC/DC, 0,5A
 1 binary output, 30 VDC¸ 0,05A
 4 – 20 mA input for external transmitter
 Different housing versions
 Approved according to EN 61010-1; ANSI/UL 61010 1; CAN/CSA-C22.2 No. 61010-1
 Flashlight (option)
 230 VAC power supply (option)
 Up to 3 power relays (potential-free, 250 VAC/DC 5A) (option)
 Uninterruptible emergency power supply (option)
 Heating (option)
 Duct mounting (option)