Features: This PVC water flow meter DN20 is resistant to corrosion and suitable for measuring various liquid flows. Large capacity, and low resistance, this flow meter provide accurate measurements. Suitable for professional working with liquids, this flow meter is essential for chemists, engineer, and industrial worker. Whether measuring flow of liquids, solution, this PVC flow meter can be used in different applications. Experience precise and efficient flow measurement with this flow meter. Its constructions and wide of applications a indispensable tool. Specifications: Component: PVC Connector: DN20 Working Voltage: 5-24VDC Working Current: 15mA(DC5V) Load Capacity: Less Equal to 10mA(DC5V) Working Temperature: Lower Equal to 80℃ Pressure Resistant: Less Equal to 1.75MPA Output Pulse Duty Ratio: 50±10% Characteristics: Hz=[1.4xQ]±10% Size: About. 5.3x8.4cm/2.09x3.31in Package Includes: 1pc Fluidmeter Counter note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.