... ,OCCL.,AIR,low battery, control abnormal, no AC power supply, installation error.Flow rate range1-2000ml/hDisplayed informationRate, volume ... C ,atmosphere pressure 86~106kPa, relative humidity20%~90%Power supply AC100-240V,50/60 Hz,25VAStorage and transport conditions Environment ... When the pump is connected to the AC power supply, turn on the power and the battery will automatically recharge (about ...