Hall Effect Water Flow Sensor Switch for Liquid Water Flowmeter, 1-30 Liters Per Minute, DC 5V, 60mm, G Half Inch Thread, Stainless Steel Shaft, Waterproof, Built Tough, Plug And Play, Model SEN-HZ21WI

Water Flow Sensor Switch 1-30 L/min, DC5V, 60mm IP65
✔️ 60mm body, G1/2 thread, IP65, 1-30 L/min, DC5V

This Hall effect water flow sensor switch is a compact inline device designed to monitor liquid flow by generating precise pulses for control systems. Built to withstand warm water and low-pressure setups, it’s a handy choice for water heaters, vending machines, and inline flow measurement applications where reliable, dry operation matters.

✅ Flow range: 1-30 L/min; max water pressure 1.75 MPa
✅ Material: Brass shell; stainless steel shaft; IP65 waterproof
✅ Electrical: DC 5V operation; max current 10 mA; three-wire red/black/yellow
✅ Thread/Size: G1/2 external thread; 60 mm length; overall 60x24x27 mm
✅ Pulse characteristics: instantaneous F=(10Q-4) ±10%; cumulative 1 L ≈ 596 pulses ±10%
✅ Inclusions: 1 x Water Flow Sensor

💡 What is a water flow sensor used for in typical domestic systems?

A handy device to monitor liquid flow and drive control logic in home equipment.

• handy for water heaters and small vending machines to monitor usage
• provides a pulse output for microcontrollers and flow meters
• inline installation with standard G1/2 thread and IP65 protection