Flow Verification Sensor (FVS)


  • Designed to monitor pump output
  • The pump’s electronics will continuously monitor the Micro-Flo FVS to ensure chemical injection.
  • Clear lens; visual indication of chemical injecting
  • Designed for Diaphragm and Peristaltic Pumps.


  • Detect a clogged injector.
  • Detect an empty chemical supply tank.
  • Detect a lost prime condition.
  • No special connectors to buy.
  • No calibration required.
  • Six flow ranges available. Refer to Data Sheet.
  • Easy three wire connection made in the pumps junction box.
Max. Working pressure: PVC lens 130 psig (9 bar) @ 21°C
PVDF lens 150 psig (10 bar) @ 21°C
Max. Fluid Temperature: PVC lens, F/NPT connectors 54°C @ 0 psig
PVDF lens, tubing connectors 93°C @ 0 psig
Full Scale Accuracy: +/- 6%
Sensor/ Paddle / Axel Material: PVDF
Connector Material: F/NPT connections PVC
M/NPT connections PVC
Hose barb connections PVC
Tubing connectors PVDF (3/8″), Polypro (1/4″)
Viewing Lens Material Option: Clear see through: PVC
O-Ring Seals: FKM (Optional EP)
Approx. Shipping Weight: 0.45 Kg