Description This item is a water flow sensor to measure water flow with a measuring range of 0.3-6L/min. It can applied for water heater, coffee machine, imprinter, automatic water machine, and other flow metering equipment. Features - Color: White - Material: Plastic - Size: Approx. 3.5 x 3.5 x 2cm/1.37x1.37x0.78 inch. - Working Range: 0.3-6L/min - Water Pressure: ≤0.8MPa - Working voltage: DC 5V-24V - Insulation Resistance: >100MΩ. - Accuracy: Between 0.15 and 3L\min. - Flow Pulse Characteristic: f=(98*Q)±2% Q=L/MIN. - Output Pulse High Level: >DC 4.7V (input voltage DC 5V). - Output Pulse Duty Ratio: 50%±10%. - for durable and long-lasting use. - Applied for water heater, coffee machine, imprinter, automatic water machine, and other flow metering equipment. - Suitable for silicone pipe with 5-7mm diameter. - Easy to install and use. - Mainly used for water testing, water cooling system.Package List2 x water flow sensor