Flow Pulse: F = 11 * Q 5% , F (frequency) Q (L / Min) Specifications: Product Name: Water Flow Sensor Material: Brass (kuningan) Size: 66mm x 24mm x 28mm (L*W*H) Cable Length: 300mm / 11.81 #34; Liquid Temperature: Not More Than 60C Rated Voltage: DC 5V Max Current: 10mA(DC 5V) Maximum water pressure: 1.75MPa Flow range: 1-25L/min Connector: Male SM-3P External Thread Diameter: G1/2 Ingress Protection Rating: IP65 Color: Brass Tone Net Weight: 103g