PolyGard®2 Multi Sensor Controller

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PolyGard®2 Multi Sensor Controller is a device used for the detection of refrigerants and Freon gases in refrigeration plants .This PolyGard®2 Multi Sensor Controller has ability to detect multiple gases simultaneously, which provides comprehensive protection against a range of hazardous substances. The device’s advanced signal processing technology ensures fast and accurate detection, enabling quick responses in the event of a gas leak or other hazardous situation.

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PolyGard®2 Multi Sensor Controller also has advanced diagnostic and reporting features, providing detailed information on system performance and gas detection readings. This data can be used to identify potential issues before they become a problem, helping to reduce downtime and improve overall system reliability.
Features of PolyGard Multi Sensor Controller:

  • Digital measurement value processing
  • Internal function control with integrated hardware watchdog
  • Low zero-point drift
  • Easy maintenance and calibration by exchange of the sensor unit or by comfortable on-site calibration
  • IP65 version
  • 4–20 mA (or 2–10 V) analog output with selectable signal output for special mode, fault etc

Additional information

Weight 1 kg


Sensor Type

Semiconductor Sensor

Measurable Range

20–2000 ppm

Response Time

t90 ≤ 150 s

Storage Temperature

0 °C to +50 °C

Temperature Range

-30 to 60°C

Humidity Range

15-90% RH

Pressure Range

90–110 kPa

Sensor life

> 5 years / normal environment


Polycarbonate UL 94 V2


2 Years Manufacturing Warranty

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Multi Sensor Controller

PolyGard®2 Multi Sensor Controller