DN40 DN50 Water Flow Sensor Flow Meter With Hall Sensor 10-300 Liters Per Minute Industrial Heavy Duty Pro Grade Flowmeter One And A Half To Two Inch BSP Brass And Plastic Body Red Positive Yellow Signal Output Black Ground Wiring 1 Piece

DN40/DN50 Water Flow Sensor with Hall Effect, 10-300 L/min
✔️ 10-300 L/min range, 1.5 to 2 inch BSP brass/plastic body

This water flow sensor uses Hall effect to measure liquid flow in a compact, heavy duty unit. It's commonly used in water heaters, vending machines, and other flow measurement devices, with DN40 DN50 sizing (1-1/2 inch BSP and 2 inch BSP) and a brass and plastic body for durability.

✅ DN40 1-1/2 inch BSP; DN50 2 inch BSP connections
✅ Flow range 10-300 L/min
✅ 5V DC rated; Red IN positive, Yellow OUT signal, Black GND negative
✅ Brass and plastic body with stainless steel impeller
✅ Pressure resistance > 1.75 MPa
✅ Pulse output: 0.2*Q; High > 4.7V; Duty cycle 50%±10%
✅ 内容：1piece

💡 What is a water flow sensor with hall effect used for in flow measurement?

• Handy for water heaters, vending machines, and irrigation systems
• Pulse output that works with microcontrollers
• DC powered, commonly 5V
• Brass/plastic body stands up to industrial use

✝️