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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 (el.ch.) 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.
APPLICATION
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.
FEATURES
 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)

For more queries  please contact us : info@alviautomation.com