SEN-HZ21WA G1/2” Water Flow Sensor – Nylon Flow Meter
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SEN-HZ21WA G1/2” Water Flow Sensor is a compact, high-precision flow meter designed for accurate measurement of water flow in a wide range of applications. Engineered with a durable nylon body and a built-in Hall-effect sensor, it delivers stable and reliable pulse output that makes monitoring water usage simple and efficient. Whether you're working on DIY electronics, Arduino projects, or industrial systems, this sensor offers dependable performance.
Its G1/2” threaded design allows easy installation into standard pipelines, ensuring leak-free operation and compatibility with most water systems. The internal turbine rotates with the flow of water, generating pulses that can be easily interpreted by microcontrollers such as Arduino, ESP32, Raspberry Pi, and other embedded platforms. This makes the SEN-HZ21WA ideal for both beginners and professionals building automated water flow monitoring solutions.
With excellent corrosion resistance and the ability to withstand continuous operation, this nylon water flow sensor is perfect for home automation, smart irrigation, industrial equipment, and water dispensing systems. Its stable output and long service life make it a reliable choice for applications requiring consistent and accurate measurement of water flow.
| Specification | Details |
|---|---|
| Model | SEN-HZ21WA |
| Test Range | 1 ~ 30 L/min (m³/h) |
| Connector Size | 57.8 × 37 × 37 mm, G1/2” outside diameter |
| Instantaneous Flow Pulse Characteristics | F = [10Q] ± 10% (F = pulse value in Hz, Q = instant flow) |
| Max Working Current | 15 mA |
| Insulation Resistance | ≥ 100 MΩ |
| Operating Voltage | DC 5V |
| Compatible Media | Water |
| Working Pressure | 1.75 MPa |
| Linearity | 0.01 (%F.S.) |
| Output Signal | Pulse Output |
| Hysteresis | 0.01 (%F.S.) |
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