

Levenhuk Wezzer Air MC50
Air Quality Monitor
User Manual

Wezzer Air MC50 Air Quality Monitor

Parts overview and screen interface
- Power button
- UP button
- DOWN button
- SET button
- Power input
- Current CO2 value (ppm)
- Temperature
- Humidity
Levenhuk Wezzer Air MC50 Air Quality Monitor
The kit includes: CO2 monitor, USB cable, user manual, and warranty.
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 power cable to the device and the DC adapter (not included) via a USB plug and 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 (1) to turn the device on. Press (2)/(3) to adjust the brightness level.
Acoustic alert. Press the (4) button to turn the CO2 alarm on. The digits that are to be set are flashing. Press (2) or (3) to change the value.
Press (4) again to confirm. Press (3) for three seconds to silence the alarm.
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 scale
| Current CO2 value (ppm) | 400… 1000 | 1001… 2000 | 2001… 3000 | 3001… 5000 |
| Indication | ![]() | ![]() | ![]() | ![]() |
Specifications
| Operating CO2 range | 400–5000ppm |
| Air humidity, units of measurement | % (RH) |
| Operating humidity range | 20… 85% |
| Temperature, units of measurement | °C |
| Operating temperature range | –10… +50°C (+14… +122°F) |
| Power supply | Li-ion battery (2000 mA∙h), DC adapter 5V 1000mA (not included) |
| USB cable | 3m, included |
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. 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.
Battery safety instructions
Always purchase the correct size and grade of battery most suitable for the intended use. Always replace the whole set of batteries at one time; taking care not to mix old and new ones, or batteries of different types. Clean the battery contacts and also those of the device prior to battery installation. Make sure the batteries are installed correctly with regard to polarity (+ and –). Remove batteries from equipment that is not to be used for an extended period of time. Remove used batteries promptly. Never short-circuit batteries as this may lead to high temperatures, leakage, or explosion. Never heat batteries in order to revive them. Do not disassemble batteries. Remember to switch off devices after use. Keep batteries out of the reach of children, to avoid risk of ingestion, suffocation, or poisoning. Utilize used batteries as prescribed by your country’s laws.
Levenhuk International Lifetime Warranty
All Levenhuk telescopes, microscopes, binoculars, and other optical products, except for their accessories, carry a lifetime warranty against defects in materials and workmanship. A lifetime warranty is a guarantee on the lifetime of the product on the market. All Levenhuk accessories are warranted to be free of defects in materials and workmanship for six months from the purchase date. The warranty entitles you to the free repair or replacement of the Levenhuk product in any country where a Levenhuk office is located if all the warranty conditions are met.
For further details, please visit: www.levenhuk.com/warranty If warranty problems arise, or if you need assistance in using your product, contact the local Levenhuk branch.

Levenhuk Inc. (USA): 928 E 124th Ave. Ste D, Tampa, FL 33612,
USA, +1-813-468-3001, [email protected]
Levenhuk®, Wezzer® are registered trademarks of Levenhuk, Inc.
© 2006–2022 Levenhuk, Inc. All rights reserved.
www.levenhuk.com
20221102
References
Доживотна гаранция на Levenhuk – Официален уебсайт на Levenhuk в България
Levenhuk optical instruments store | Levenhuk - best optical equipment
Levenhuk lifetime warranty details | Levenhuk - best optical equipment
Doživotní záruka společnosti Levenhuk – Oficiální webové stránky Levenhuk pro Českou republiku
Levenhuk Lebenslange Garantie – Die offizielle Website von Levenhuk in Deutschland
| Levenhuk, los mejores equipos ópticos
Levenhuk Lifetime Warranty – Levenhuk’s official website in Europe
A Levenhuk élettartamra szóló szavatossága – A Levenhuk hivatalos magyarországi weboldala
Gwarancja bezterminowa Levenhuk – Oficjalna witryna internetowa Levenhuk w Polsce
Поддержка - Гарантийное обслуживание Левенгук - Levenhuk Russia






















