Gas Sensors

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Manufacturer: Nissha-FIS

Refrigerants/Freon (R32, HFO1234YF) gas sensor


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The SB-43A is a tin dioxide semiconductor gas sensor which has a high sensitivity to various freons with improved cross sensitivity to other gases. This model is suitable for R32, R410A, R407C, HFO1234yf and other new refrigerant gases. A significant feature of low power consumption design (120 mW) is advantageous for portable devices.


Gas sensitive semiconductor material is a mini bead type and a heater coil and electrode wire are embedded in the element. The sensing element is installed in the metal housing which uses double stainless-steel mesh (100 mesh) in the path of gas flow. This sensor has silicon poison proof silica filter.


  • Purpose: Safety&Security
  • Use: Industrial gas leak detector
  • Target gas: Refrigerant/Freon
  • Max concentration: 30000 ppm


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20017 Rho (MI) - Italy
Phone +39 02 3340 0846
VAT: IT04126380155
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Via Magenta, 77/16A
Rho 20017, Italy
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+39 02 3340 0846

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