ITEM NAME:Electronic Water Flow Counter Sensor 0.1L/mim-4.5 L/min G1/4" H4J8 Electronic Water Flow Counter Sensor 0.1L/mim-4.5 L/min G1/4" H4J8 Used for water heaters, credit card machines, automatic water dispenser, such as flow measurement devices! Product Name : Water Flow Sensor Flow Range : 0.1L/mim - 4.5 L/min Voltage : DC3V - DC18V Standard : DC5V Pulse Duty Factor : 50 % Accuracy : +/-3% High Level of Pulse Output : greater than 4.5V (DC5V) Max Pressure : 8.0bar Insulation Performance : 100 M ohm Connector Pin Number : 3 Pin Material : Plastic, Metal Total Size : 64 x 40 x 22mm / 2.5" x 1.6" x 0.87"(L*W*T) Connector Diameter : 6mm/0.24" Connector Diameter : G1/4" Cable Length : 15cm Weight : 22g Package Content : 1 x WaterFlow Sensor Note:Light shooting 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 +/-1-3 cm.