INS-FM18 Coolant Flow Meter, Stainless Steel, Reed Switch

Part No. INS-FM18 In-Stock Icon In Stock FedEx orders placed in the next 6 hrs, 9 mins ship today.
Volume Pricing
Qty 1 : $36.49/ea
10 : $35.37
25 : $34.26
50 : $33.14
100 : $32.80
250 : $32.25
500+ : $31.91
RoHS CertifiedREACH Certified
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BSPP Fittings

Koolance's inline flow meters provide electronic indication of real-time coolant flow rate. This model uses a reed switch to detect impeller rotation. G 1/4 BSPP fitting threads, and primary materials are stainless steel and nickel-plated brass. Approximate read range is 2.0-20 LPM (32-317 GPH). Wire length is about 28" (70cm). It is recommended to keep current through the flow meter at 10mA or less to prevent damage.


Flow Meters
Accuracy (Approx.) +/-5%
Flow Rate Range 2.0-20 LPM (32-317 GPH)
Weight 0.18 lb (0.08 kg)
Fitting Thread G 1/4 BSPP
Max Pressure Tolerance @ 25°C 10kgf/cm2 (142.2psi)
Max Temperature Tolerance 100°C (212°F)
Min Storage Temperature (*No Freezing) 0°C (32°F)
Wetted Materials Nickel-Plated Brass, Stainless Steel, POM Acetal, SmCo5
Diagrams / Models (See Files Tab for Diagrams and 3D Models)


Liquid Coolants

Koolance's product warranty does not cover the use of 3rd-party coolants, coolant additives, or corrosion. Koolance LIQ-702 or LIQ-705 coolants are strongly recommended to help avoid issues with mixed metals or biological growth. Additionally, do not use aluminum with bare (unplated) copper or bare (unplated) brass in the same system. Do not use silver with nickel in the same system.