... 5. Maximum output current:1mA~3mA(adjustable)6. With air flow sensor function, output high voltage only when the fan runs ... normally, the minimum sensible air flow is 200ml/min7. Short circuit ,under voltage and over ... and provide the PCBA used for homeappliance, like refrigerator, water heater, air conditoner, air purifier, high voltage power supply, oven timer, cook hood ...