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The SAIER HW21WA Water Flow Sensor (1–30 L/min, 4.5–18V) by Saier is a value-for-money flow sensors designed for everyday users. It features Model No. / Name: Water Flow Sensor and Max Water Flow(L/min): 1 to 30. Customers praise its excellent build quality.
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About This Product
The SAIER HW21WA Water Flow Sensor (1–30 L/min, 4.5–18V) by Saier is a value-for-money flow sensors designed for everyday users. Customers highlight its excellent build quality.
Key Specifications
- Model No. / Name: Water Flow Sensor
- Max Water Flow(L/min): 1 to 30
- Working water pressure(MPa): ≤1.75
- Operating Voltage (VDC): 4.5 to 18 — works with standard household power
- Input current: ≤15mA
- Insulation Resistance (MOhm): >100
- Dielectric Strength: AC500V, 50HZ — smooth, flicker-free operation
- High Level O/P Volt. (VDD): ≥4.5V
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The SAIER Water Flow Sensor is your trusted partner for monitoring water flow with precision and ease. Whether you're managing industrial processes, automating your home, or working on IoT projects, this sensor has you covered. Equipped with advanced turbine sensor technology, it delivers accurate and reliable flow measurements. Its compact design allows for easy installation even in tight spaces, making it versatile for various applications. With a wide flow rate range, it accommodates a spectrum of needs, and its durable construction ensures long-term performance. This sensor isn't limited to just liquids; it can also handle gases, providing even more flexibility. Choose between analog or digital output options, depending on your project requirements. From industrial settings to home automation and cutting-edge IoT projects, the SAIER Water Flow Sensor is the dependable choice for all your flow monitoring needs.
Application:
The water flow sensor can be used to monitor liquid flow rate in water machine, water heater, coffee machine, vending machine, water meter medical testing machine and the like. They are widely applied in industrial equipment, agricultural equipment and household electrical appliances in the future.
Features:
- Precise water flow measurement for various applications.
- Reliable turbine sensor technology ensures accuracy.
- Compact and easy to install in tight spaces.
- Wide flow rate range to suit diverse needs.
- Durable construction for long-term use.
- Suitable for both liquids and gases.
- Analog or digital output options for flexibility.
- Ideal for industrial, home automation, and IoT projects.
Package Includes:
1 x SAIER SEN- HW21WA Water Flow Sensor-1-30 L/Min DC 4.5-18V











