SP Series is a 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.

Feature:
1.No moving parts, solidstate performance and reliability
2. per second (150cm/s) measuring range for water; 1~118300cm/s) range in oil
3.304SS, 316SS, PVDF and polypropylene wetted parts
4.Maximum operating pressure up to 1,450psi (100bar)
5.Choice of NPN/PNP, N.O. or N.C. relay, or SPDT relay output
6.Standard and custom extended insertion lengths
7.Standard or high temperature, explosionproof units available
8.LED indication of flow status
9.Marine certified unit available