Gems Sensors FS-3 Series Piston Flow Sensor for Liquid, 0.2L/min Max

Subtotal (1 unit)*

£51.48

(exc. VAT)

£61.78

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • 3 unit(s) shipping from 08 May 2026
  • Plus 626 unit(s) shipping from 15 May 2026
  • Plus 50 unit(s) shipping from 12 June 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£51.48

*price indicative

RS Stock No.:
395-6940
Distrelec Article No.:
137-59-978
Mfr. Part No.:
166701
Brand:
Gems Sensors
Find similar products by selecting one or more attributes.
Select all

Brand

Gems Sensors

Media Monitored

Liquid

Product Type

Flow Sensor

Device Type

Piston

Maximum Flow Rate

0.2L/min

Connection Type

1/4 BSP Male

Maximum Pressure

10bar

Maximum Media Temperature

100°C

Maximum Operating Temperature

100°C

Series

FS-3

RoHS Status: Exempt

Gems Sensors Flow Switch


The Gems Sensors FS-3 series flow switch has a maximum liquid flow rate of 0.2L/min. This water flow switch is an ultra-compact switch specially designed for reliable operation in clean post-filtered water. This instrument quality switch, affordably priced for pure water equipment, from UV lamp switching to filter life monitoring. This device is also suitable for some chemical applications and various cooling applications.

Note:

50-micron filtration is recommended.

Features and Benefits


Pipe diameter range is 1/4 in

Connection type is 1/4 BSP

Operating pressure 10bar at 20°C

Inlet/ outlet ports: R 1/4in

Switch: SPST, NO

Electrical connection: AWG 22 PVC-lead wires

Length of wire is 0.3m

Applications


Electronic equipment: laser heads, welders, power supplies, high-speed spindles, x-ray tubes and semiconductor equipment

Bearings or gears: presses, rotating equipment, conveyors, machine tools and robotics

Processing and dispensing equipment: water purifications and filtering, x-ray film processing, beverage dispensing, chemical additives, gas sampling and distilling

Certifications


UL approved

FDA or NSF compliant

Related links