Catalog > Consumer Electronics > Kits > Various Kits Water Flow Sensor Meter Counter Indicator Water Flow Sensor Meter Counter Indicator HKD G1/2IN WATER FLOW SENS BRASS WATER FLOW SENSOR YF-B7 CONSISTS OF A COPPER BODY, A WATER ROTOR, AND A HALL-EFFECT SENSOR. 183.39 ZAR inc for 1 Each 0 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications Appearance Product identification : clear, accurate and meet the requirements Water pressure : > 1.75MPa Operating voltage range : DC5 ~ 15V Insulation resistance : > 100MΩ Accuracy (in 1 ~ 25L \ MIN) : ± 3% Flow Pulse Characteristics (11 * Q) : Q = L / Min ± 3% Output pulse high : > DC 4.7V (input voltage DC 5V) Output pulse low level 9 Output pulse duty cycle : 50% ± 10%