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  1. Capacitive level switch
  2. Solids and liquids level detection ( high or low level)
  3. suitable for use in: conductive or non-conductive liquids such as water, acids, oil, kerosene,…….fine or bulk solids such as flour, feeds, seeds, corn,…..
  4. Not affected by dust or contaminations.

Process condition:

  • Pressure: up to 10BAR
  • Temperature: 85 ~ 150oC


  • Housing: Aluminum
  • Probe: PVC – PTFE


  • Thread: ≤1” NPT
  • Flange: ≥2”, ≥DN40
  • Tri-clamp: ≥1”, ≥DN25


  • Up to 1m


  • 1x Relay

Input Supply:              

24/48/60Vac/dc – 220/110Vac

SM640 is a point level sensor for use in all areas of industry.

The partly insulated probe is suitable for the measurement of bulk solids and liquids.

The sensor works with conductive and non-conductive liquids, Example (water, oil, gasoline) and fine and coarse grained solids.

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