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Level sensors MHF15

The MHF15 is a compact optical level limit switch which is incredibly easy to commission. The sensor is based on SICK’s energetic photoelectric proximity sensor technology, which has been tested and optimized over a number of decades. Thanks to this, the sensor design is simple, rugged, and reliable.. The use of high-quality materials such as stainless steel 1.4404 and polysulfone, combined with the housing in IP69K enclosure rating, provides reliability not only on the process side, but also in situations where there are adverse ambient conditions outside the tank. Fast, hassle-free commissioning does not require medium calibration, reducing both commissioning costs and maintenance. The optical technology makes the MHF15 particularly suitable for use with water-based media.


  • Robust level monitoring in liquid without additional requirements
  • Small, compact design; no medium calibration required
  • Process temperature up to 55 °C, process pressure up to 16 bar
  • IP 67 and IP 69K enclosure rating
  • Process connection G ½
  • Highly medium resistant due to stainless steel housing 1.4404, polysulfone apex
  • Output available as PNP or NPN transistor
  • FDA-compliant, UL


Measurement principle Optical level switch
Detection principle Contact
Medium Fluids
Measurement Switch
Process temperature –25 °C … +55 °C
Process pressure –0.5 bar … 16 bar
Output signal 1 x PNP / 1 x NPN

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