Gems Sensor & Control FS-600 – No-Moving-Parts – Thermal Dispersion Flow Switch

Last Updated: 27/02/2019

Gems Sensor & Control 230500-1-30

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Part Number: 230500-1-30 Categories: ,

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Primary Material of ConstructionAlloy
Sensor TypeThermal Dispersion
Adjustable RangeN/A
Flow Setting (GPM)0.68
Body Material316 Stainless Steel
Port Size1/2″ NPT Female
Switch TypeSPST (30 VAC @ 45 ma, 42 VDC @ 65 ma)
Set Point Accuracy± 15%
Maximum Pressure (PSI)300-500
Minimum Temperature (°F)-14
Maximum Temperature140
Electrical TerminationM12 x 1 (4-Pin) (1meter cable included
Set Point Differential20%
Wetted Materials316 Stainless Steel, 303 Stainless Steel
Recommended FiltrationN/A


The FS-600 series flow switch uses proven thermal dispersion technology to provide a robust no moving parts flow switch even without filtration. The solid-state sensor is compatible with both conductive and non-conductive fluids. Suitable for fluids with particulates or slurries, and is immune to changes in media viscosity. The straight through switch is designed for a long life and can be mounted in any orientation and can handle a wide range of flow rates. No moving parts mean years of reliable service.