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SM401 (Leak Detector)

  1. Simple calibration steps
  2. Accurate detection system
  3. Maintenance-free device
  4. Capable of detecting leakage for conductive and non-conductive liquids

Process Condition


  • Pressure: Up to 1 Bar
  • Temperature: 0 - 70oC



  • PVC



  • Intrensic Safety
  • Ex ib IIB T6
  • IP67


Power Supply

  • 24 V AC/DC


  • PNP transistor

SM401 is a liquids leakage detector or level detector for liquids, it’s a very accurate measuring device and the most common measuring technique available. 

The sensor works with conductive or non-conductive liquids

Example (water, acids, fuel, oil, gasoline,…)

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