Refrigerant Gas Detection Module ZP211

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The ZP211 refrigerant gas detection module adopts advanced multi-layer thick film manufacturing process semiconductor gas sensor. The gas sensor contains a filter adsorption layer to reduce the interference of alcohol and other gases. It has extremely high sensitivity to R290 refrigerant gas. After aging , calibration, calibration, with good consistency and high sensitivity. Widely used in air conditioning, refrigeration system refrigerant leakage detection.


* High sensitivity
* Quick response
* Strong anti-interference ability
* Long life
* Stable job
* Factory calibrated
* Sensor fault self-diagnosis

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Kitchen Appliance

Winsen is a well -known gas sensor production supplier in the world, providing mature gas, natural gas, liquefied gas detection scheme, offering abundant models suitable for all gas alarms on the market, and flexible modules meeting the integration requirements of almost all kitchen electrical suppliers.



Smart refrigerators are constantly innovating in the cross-border integration of different technologies. The addition of food freshness, human body induction, CO2 modules, allowing temperature control, ingredients management, automatic sterilization, intelligent alarm and other functions to continuously refresh the market for reconstructing future life style.


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Specification Product Size

Technical Data Sheet

Model ZP211
Detected gas Refrigerant R290
Physical interface S05B-PASK-2
Signal output PWM
Operating Voltage 5.0±0.2VDC (no voltage reverse polarity protection)
Working current ≤80mA
Preheat time 3 minutes
Recovery Time ≤120s
Set the alarm concentration 2000ppm
Initial alarm accuracy 1340~2660ppm
Operating temperature -20~55℃
Working humidity ≤95%RH
Storage temperature -20~60℃
Storage humidity ≤60%RH
Dimensions 25×34×14.1mm (L×W×H)
Weight about 5g



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As a pioneer in gas sensor based solutions with the advanced processes, technologies and products, Winsen offers a wide range of gas sensors:


As a pioneer in gas sensor based solutions with the advanced processes, technologies and products, Winsen offers a wide range of gas sensors:


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