Levenhuk Wezzer Air PRO DM50 Air Quality Monitor
EN
Caution! Please remember that mains voltage in most European countries is 220–240V. If you want to use your device in a country with a
different mains voltage standard, remember that use of a converter is absolutely necessary.
Charging the device
Connect the micro USB cable to the device. Then, with a DC adapter (not included) via a USB plug connect it to the AC power supply. Attention!
The device operates from the AC power supply, as the voltage of the computer's USB port is insufficient for the proper operation of the device.
Using
Press (4) to turn the device on/off.
Settings
Press the (1) button and hold it for 3 seconds. The digits that are to be set are flashing. Press (2) or (3) to change the value, and then press
(1) to continue.
The setting order: Hours > Minutes > CO2 alert threshold.
Finally, press the (1) button to save the settings and exit.
Acoustic alert
When the CO2 level exceeds the set threshold value, the alarm will beep. Press (1) to turn the alarm on or off.
Calibration
When turning the device on for the first time, do not turn it off or restart it within 24 hours. The calibration will be carried out automatically.
CO2 comfort level indication
Current CO2 value (ppm)
Indication
PM2.5 comfort level indication
Current PM2.5 value, µg/m3
Indication
Specifications
Operating CO2 range
Detection method for CO2
PM2.5/PM1.0/PM10 measurement range
Detection method for PM
Sampling time
Air humidity, units of measurement
Operating humidity range
Temperature, units of measurement
Operating temperature range
Power supply
USB cable
The manufacturer reserves the right to make changes to the product range and specifications without prior notice.
Care and maintenance
Take the necessary precautions when using the device with children or others who have not read or who do not fully understand these
instructions. Make sure that the air flow channels at the back of the device are not blocked or covered. Do not try to disassemble the device
on your own for any reason. For repairs and cleaning of any kind, please contact your local specialized service center. Protect the device
from sudden impact and excessive mechanical force. Store the device in a dry cool place. Only use accessories and spare parts for this
device that comply with the technical specifications. Never attempt to operate a damaged device or a device with damaged electrical parts!
If a part of the device or battery is swallowed, seek medical attention immediately. Children should use the device under adult supervision
only.
400–1000
0–74
400–5000ppm
NDIR sensor
0—999µg/m3
Laser scattering
1.5 seconds
% (RH)
20... 85%
°C
–10... +50°C (+14... +122°F)
Li-ion battery (2000 mA∙h), DC adapter 5V 1000mA (not included)
3m, included
1001–2000
75–299
4
2001–5000
300–999