Color: Black Material: Plastic 2-100L/min: Type:Turbine flowmeter Water pressure:≤1.75Mpa Voltage:DC3.5-24V Caution: 1:No severe impact or chemical attack is permitted 2:Do not throw or bump 3:Press the on the product to install 4:Medium temperature should not exceed 80C. Only weak acid and water concentration of the same liquid Note: Red IN:Positive Yellow OUT: Signal output line Black GND:Negative pole Frequency calculation = Constant 1 * Unit flow rate (L / min) * Time (seconds) : Plumbing Coupling Type: Male BSPT Thread Type: Turbine flowmeter Feature: Hall Flowmeter Water pressure: Low 1.75Mpa Load capacity: Low 10mA Size:114*60*48mm 1-60L/min: :Plumbing Model Number:FS400A Impeller inlaid stainless steel beads,always wearable. Flow range:1-60L/min Interior diameter:0.81 inch Minimum rated working voltage:DC4.5 5V-24V Maximum current:15 mA(DC 5V) Working voltage range:DC 5-18 V Load capacity:10 mA(DC 5V) Operating Temp:80°C,Operating humidity:35%-90%RH Allow compression:Water pressure 1.20 Mpa below Storage Temperature:-25-+80°C Storage humidity:25%-95%RH F=4.8 * units of flow(L/min)* time(seconds). Package Contents: 3 * Water Flow Sensor Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. 3 Pcs Water Flow Sensor: 1 Pcs 2-100L/Min & 2 Pcs 1-60L/Min Rated operating voltage:DC4.5 5-24V Maximum operating current:15mA(DC5V) Flow range:2-100L/min Operating temperature range:≤80℃; Pulse characteristics:f=1.0*Q (F: frequency,Q:L/min)