Water Flow Sensor 3 Inch Kuningan (Dn80 Flow Sensor)

Specification : 

Function : Sensor , flow rate control

Thread size : 3" G3

Size:L 75mm

Color : Golden  color 

Flow rate : 100-30000（m3/h）

Flow Pulse:  F(Hz)=(0.55xQ)  +- 3%   Q=L/min

1 L water ~=33 Pulse

Max. Working Current : 15mA (DC5 V)

Min. Working Voltage: DC 4.5V

Working Voltage:DC 5V~18V

Load Capacity: =10 mA (DC 5 V)

Insulation Resistance: > 100M OHM

Operating  Working  Temperature : 

-25 Degree centigrade to +80 Degree centigrade

Liquid Temperature: 80

Accuracy :+/- 5% at (50~500L/min)

Cable Conection: Red: Positive+ (IN) ; Black: Negative- (GND)  ;  Yellow: NPN  Pulse signal (OUT)