["Product Description : \r\nWater Flow sensor includes  a plastic/brass body housing,  a water rotor, and a hall-effect sensor, PCB electronics board.\r\nWorking performance : When the water flows through the rotor, then rotor is rolled.\r\nIts speed changes with different rate of flow. Then the magnetic rotor make reaction to Hall sensor,the hall-effect sensor outputs the corresponding pulse signal .\r\nThe flow sensor is suitable to detect the flow in water dispenser or coffee machine .....\r\n\r\nbrand new and high quality\r\nSpecification:\r\nMaterial: Brass\r\nType: Hall Flow Rate Meter \r\nMounting Position: Horizontal & Vertical\r\nApplication: Water heater, broiler and heat pump ...etc.\r\nRated Voltage: for DC 5V\r\nPressure Resistance: ≥1.75MPa\r\nWorking Voltage Range: for DC 5-15V\r\nInsulation Resistance: \t>100MΩ\r\nFlow Pulse: (11*Q) Q=L/Min±3%\r\nOutput Pulse Duty Ratio: 50%±10%\r\nAccuracy: (1～25L\\MIN﹞±3%\r\nSize: G 1/2\"\r\nQuantity: 1 Pc\r\n\r\nFlow Sensor Technical Data\r\n(1) Flow Rate:  1~25  L/min\r\n(2)Flow Pulse:   F=  11 *Q    ± 5%  ,  Q=L/min\r\n(3) Working Voltage:  DC3V ~ 24V\r\n(4) Working Current:  15mA\r\n(5) Suffering Pressure: Max  1.5Mpa\r\n(6) Working Temperature: -40 °C ~+80 °C,\r\n(7)Min Insulation Resistance:100M Ohm\r\n(8)Output Pulse Duty Cycle: 50% +/- 10%\r\n(9) Max output Pulse Voltage: >DC4.7V ( input voltage DC5V)\r\n(10)Min Output Pulse Voltage :<DC0.5V ( input voltage DC5V)\r\n(11) Sensor:  Hall effect sensor, Digital Output. and temperature sensor\r\n(12) Wire Connection :\r\n       Terminal 1  ( Red) : Vdd  \" + \"\r\n       Terminal 2 (Black) Vout   \" - \"\r\n       Terminal 3 ( Yellow )  Gnd : output\r\n       Terminal 4   Temp Sensor\r\n       Terminal 5  Temp. Sensor\r\n(13) Connector:  Housing XH2.5-3P\r\nTEMPERATURE VS RESISTANCE TABLE\r\nResistance         50k Ohms at 25deg. C\r\nB Value            3950K at 25/50 deg. C\r\nTemp. Range:－40-＋150℃\r\n\r\nNote:\r\n1. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\r\n2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n\r\nPackage includes:\r\n1 x Hall Flow Rate Meter"]