Time setting: Press the setting button, the hour digit flashes, press UP or DWON to set the corresponding hour data, then press the setting button, shift to the minute, pressUP or Down to set the minute.Shutdown: Press and hold the power button for 3 seconds
Preheating:Every time after startup, there will be a 200 second automatic countdown onthe screen.This is the preheating process of formaldehyde sensor detection
Calibration: After turning on the machine, put the detector in a ventilated place for more than 10 minutes and thenlongpress the setting button for 3 seconds, the instrument will sound a tone,The HCHO TVOCdata on the LED screen will return. 0.000, thencalibration is successful
Detection: After the calibration is completed, put the detector in theindoor roomsto be tested.the current value is the detected value. If the standard is not exceeded, the instrument will not emit a tone. The standard values are: HCHO (formaldehyde): standard<=0.10mg/m3 TVOC:<=standard 0.6mg/m3
Power supply: If the battery no power, use the USB power supply (output voltage is DC5V/1A) to supply power to the DM605 through the USB cable, and it will also charge automatically. When charging, the battery symbol is red to indicate that it is charging, and when the green light is on, it is full.
