Detection Chlorofluorocarbons (CFCs)


TGS 3830 is Figaro's new metal oxide semiconductor gas sensor for the detection of Chlorofluorocarbons.

The sensing element of the sensor is a tin dioxide (SnO2) semiconductor which has low conductivity increases depending on the gas concentration in the air. A simple electrical circuit can convert the change in conductivity to an output signal which corresponds to the gas concentration. Miniaturization of the gas sensing bead results in a heater power consumption of only 120mW.

The TGS3830 has high sensitivity to R-134a, the most promising alternative to R-12, commonly used in air conditioning systems and refrigerators. With its quick response speed, TGS3830 is an excellent, low-cost sensor for portable refrigerant leak detector.



  • Low power consumption
  • High sensitivity to R-134a
  • Quick response to R-134a
  • Suitable for suction type leak detectors
  • RoHS2 compliant


  • Refrigerant leak detection
  • Portable gas leak detector

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