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What our customers say

"Fast delivery and the meter does what it should. This way I know when to open a window, or when the air quality is fine."

FotoRoos (bol.com)

"Elegant design! All important information at a glance (traffic light system).Audible warning sound, optionally adjustable.With food.Fast delivery. So far I can only report positively about the device, hence the full score."

Y Kloos (Amazon)

"This CO2 meter with a real CO2 sensor chip convinced me completely - it helps me every day in the office to let the "thick air" out early enough!Everyone feels more comfortable with this objective display than just skies - now in winter! Super fast delivery on top of that!"

Daniela E (Amazon_


  • Benefit from subsidy for CO2 meters in classrooms
    February 3, 2022

    Benefit from subsidy for CO2 meters in classrooms

    The cabinet has now taken measures in the field of air quality in schools in connection with the corona measures. Where experts previously argued for CO2 meters in indoor spaces, the cabinet has changed its mind regarding schools and offers schools help to...

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  • Reduce the risk of corona infection in catering and gyms thanks to CO2 meter
    February 27

    Reduce the risk of corona infection in catering and gyms thanks to CO2 meter

    After recently working out in the gym was possible again, the catering industry has reopened since today. Good news for entrepreneurs and of course visitors! As an entrepreneur, you naturally try to do everything you can to take the right measures so that your restaurant, cafe or gym can be visited in a safe and comfortable way.

    By measuring air quality in indoor spaces with a CO2 meter, you know when you need to ventilate. You can therefore counteract a too high CO2 content, which makes it easier to transfer virus particles. This allows you to reduce the risk of corona contamination of your guests. 

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  • Technoline WL1030, best tested!
    June 3, 2021

    Technoline WL1030, best tested!

    Our technoline WL 1030 came out as test winner in the test "CO2 measuring equipment and traffic lights" by Stiftung Warentest (published on February 4, 2021).

    High CO2 levels in the air reduce concentration and performance. Regular and timely ventilation is recommended to improve the indoor climate and maintain health. According to Stiftung Warentest, the test winner "technoline WL 1030" offers accurate readings using a powerful NDIR gas sensor with CO2 measurement and a calibration function for personal adjustment.

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