Thermal Flow Sensors

Thermal Dispersion Flow Switch type: SP-series
The SP Series Thermal Dispersion Flow Switch is a precise flow sensing device for liquids. The principle of operation is based on heat transfer. The SP thermal dispersion flow switch is offered with a variety of output types and materials of construction. No moving parts make the SP series a long lasting and high value flow switch.
- No moving parts, solid state performance and reliability
- 1~59″ per second (150 cm/s) measuring range for water; 1~118″ (300 cm/s) range in oil
- 304SS, 316SS, PVDF and polypropylene wetted parts
- Maximum operating pressure up to 1,450 psi (100 bar)
- Choice of NPN/PNP, N.O. or N.C. relay, or SPDT relay output
- Standard and custom extended insertion lengths
- Standard or high temperature, explosion proof units available
- LED indication of flow status
- Marine certified unit available
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