Nickeled Hot Water Flow Valve BSP G1/2" 100 Celsius Water Turbine Meter 12V 1-30L/min Flow Meter Water Sensor iSentrol Hall effect Water Brass Flow sensor Flow Sensor Product description: (1)Product name :Brass flow sensor (2)material : Brass Flow Sensor (3)size :   65*35*30mm (4) Thread Connection:   G1/2 " (5):Mounting Position: Horizontal & Vertical (6)Color:  Brass Nickeled (7)Place of Orign : China(Mainland) (8) Brand : iSentrol (9)Item No.: ISX-21 (10) Application: Water heater, broiler and heat pump ...etc. 2.Flow Sensor Technical Data (1) Flow Rate:  1~30L/min (2)Flow Pulse:   F=  7.5 *Q    ± 5%  ,  Q=L/min (3) Working Voltage:DC12V for sensor and valve (4) Working Current:  15mA (5) Suffering Pressure: Max  1.5Mpa (6) Working Temperature: -40 °C ~+100 °C, (7)Min Insulation Resistance:100M Ohm (8)Output Pulse Duty Cycle: 50% +/- 10% (9) Max output Pulse Voltage: >DC4.7V ( input voltage DC5V) (10)Min Output Pulse Voltage :(12) wire connection : Terminal 1  ( Red) : Vdd  " + " Terminal 2 (Black) Vout   " - " Terminal 3 ( Yellow )  Gnd : output (13) Connector :  Housing SM2.54-3P