Sensor : Hazardous Gas Leak Detection

GasAlarm – India in association with ALVI – Australia pleased to offer all types of environmental hazardous gas leak detection sensor transmitter with following description and features:

Microprocessor based gas sensor with 4 – 20 mA / RS485-Modbus output
signal, alarm and fault relays (all SIL2 certified) for monitoring the ambient air
to detect oxygen and toxic gases and vapors by means of an electrochemical
sensor element ( or an infrared sensor element. The calibration of
sensors without LCD display is carried out via the calibration device Cal PX or
the PC software PC-Soft 80. Sensors with LCD display have an integrated
calibration routine that is started from the outside by a permanent magnet
without opening the housing. In case of an alarm or a fault the backlight of
sensors with LCD display changes from green to red.
The PolyXeta®2 sensor is used in industrial areas like oil/gas industry, biogas plants, petrochemical
industry, power plants etc. in Ex-Zone 1. The PolyXeta®2 sensor is also suitable for commercial areas
like gas transfer stations etc. With the 4 – 20 mA / RS485-ModBus output signal the sensor is
suitable for connection to the PolyGard®2 gas controller series by MSR-Electronic, as well as to any
other controllers or automation devices. Optionally, the PolyXeta®2 sensor is also available with LCD
display and relay output.
 ATEX and IEC Ex certificates MSR-Electronic for electrical Ex protection
 ATEX metrical test & SIL2 safety functions 4 – 20 mA, RS485 and relay
 Type “Ex d” with flame-proof enclosure
 Continuous monitoring
 Microprocessor with 12 bit converter resolution
 Self-monitoring system
 Easy calibration
 Calibration service by exchanging the sensor head
 Proportional 4 – 20 mA output
 Serial interface to the control center
 Reverse polarity protection
 Overload protection
 LCD display with status LEDs (optional)
 Alarm and fault signal relay (optional)

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