SEN-HZ21WA G1/2” Water Flow Sensor – Nylon Flow Meter
Delivery & Pickup Options
This item is not available right now. Please check back later or contact us for availability.
SEN-HZ21WA G1/2” Water Flow Sensor – Nylon Flow Meter 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. Features Durable Nylon Construction : Built with a high-quality nylon body that offers excellent strength, corrosion resistance, and long-term durability. G1/2” Standard Thread Interface : Easy to install in common pipeline systems without leakage or modification. High-Precision Hall-Effect Output : Generates stable pulse signals that accurately represent water flow rate. Wide Compatibility : Works seamlessly with Arduino, ESP8266, ESP32, Raspberry Pi, and most microcontrollers. Smooth Turbine Operation : Internal impeller spins freely for consistent readings across low to moderate flow rates. Ideal for Automation Projects :Suitable for water dispensers, smart farming, filtration systems, industrial monitoring, and DIY projects.
- Compact and durable nylon body ensures long-lasting performance in water systems.
- Provides accurate pulse output for precise flow measurement in real time.
- G1/2” threaded design makes installation quick, secure, and leak-free.
- Fully compatible with Arduino, ESP32, and Raspberry Pi for easy integration.
- Smooth turbine movement delivers stable readings even at low flow rates.
- Perfect for smart irrigation, water dispensers, and DIY automation projects.
- 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.)