Gas Sensors

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Manufacturer: Nissha-FIS

Ammonia refrigerants gas sensor


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The SP-53B-00 is a tin dioxide semiconductor gas sensor which has a good sensitivity to low concentration ranges of ammonia with improved response speed compared with conventional models.


Gas sensitive semiconductor material is formed on the alumina substrate on which the gold electrodes are printed.
A thick film heater of ruthenium-oxide (or platinum) is printed on the reverse of the substrate and placed in the housing.


  • Purpose: Safety&Security
  • Use: Industrial gas leak detector
  • Target gas: Ammonia/Refrigerant/Freon
  • Max concentration: 3000 ppm


Via Magenta, 77/16A
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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