With temperature detection wiring: Red + Black - (common line), yellow pulse signal output, green for the temperature signal output,
The main technical parameters Exterior Product identification clear, accurate compliance Water pressure resistance 1.75MPa Operating voltage range DC5 ~ 15V Insulation resistance 100M Accuracy in 1 ~ 30L MIN 10% Flow pulse characteristics F = (7.5 * Q) Q = L / Min 10% Output high pulse DC 4.7V (input voltage DC 5V) Output Pulse Low DC 0.5V (input voltage DC 5V) Output pulse duty cycle 50% 10%