1/2 Inch Stainless Steel Water Flow Sensor Flowmeter With Turbine Design, High Precision 0.5% To 1% Accuracy, Measures Liquids Gases And Steam, 1.75 MPa, DC 3.5-24V, NPN Hall Output

High-Precision 1/2-2 in Stainless Water Flow Sensor Pack
✔️ 1/2-2 in sizes, 0.5-1% accuracy, DC3.5-24V, NPN output

The water flow sensor is a stainless steel turbine style meter designed to accurately measure flow in liquids, gases, and steam. It’s commonly installed at water inlets of heaters, HVAC systems, irrigation lines, and industrial process piping to monitor throughput and help control pumps and valves.

✅ Interface sizes: 1/2-2 in (DN15-50) = 12.7-50.0 mm
✅ Medium compatibility: liquids, gases, steam
✅ Material: stainless steel; easy to install and maintain
✅ Pressure rating: up to 1.75 MPa
✅ Temperature range: up to 120°C
✅ Output: NPN Hall sensor, DC 3.5-24V
✅ Accuracy: ±0.5%-1% across measured range

💡 What is a water flow sensor used for in plumbing and HVAC systems?

• Handy for monitoring flow to manage pumps, valves, and heaters
• Provides real-time data to improve energy efficiency and system control
• Uses a turbine rotor and Hall effect sensor for digital output
• Designed for straightforward integration with DC power and NPN logic