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    CO2 meter

    The carbon dioxide (CO₂) content of the air is an indicator of the indoor air quality – assuming that human respiration constitutes the main emission source for the CO₂.

    Carbon monoxide meters from Testo

    With Testo you are always on the safe side.

    Measuring instruments with CO₂ sensors such as a CO₂ analyser, enable you to reliably control this important value: because, as the air quality falls (increasing CO₂ content in the air), performance also falls. A CO₂ analyser or measuring device from Testo has a range of advantages.

    Measure CO₂ with Testo – your advantages

    • Easy, accurate CO2 measurement.

    • Robust, tried and tested instruments.

    • Ideal for monitoring and optimizing indoor air.

    • CO2 measuring instruments with unbeatable price-performance ratio.

    Simply more efficient:

    an overview of the best CO2 measuring instruments

    5 tips for efficient CO₂ measurement!

    It is very quick to sum up which CO₂ measuring instrument is possible to use for reliable recording of exhaust gas: each of the numerous Testo models meets the high requirements made by professional users all over the world. So to ensure you actually achieve maximum measurement precision with your CO₂ measuring instrument, simply take these 5 small but important tips into consideration:

    1. Choose the appropriate measuring instrument:
      Do you need a CO₂ measuring device for continuous data recording or do you tend to carry out measurements sporadically at different locations instead? Depending on the requirement, either a stationary CO₂ data logger or a portable CO₂ or air velocity & IAQ measuring instrument, like the testo 400 is ideal for you.

    2. Take the ambient conditions into account:
      Both fine dust and condensation influence the optical path and therefore the measurement results.

    3. Do not breathe on the probe:
      The air you breathe is saturated with CO₂ and must not flow in the direction of the probe. Simply use a stand and move a little to one side.

    4. Measure at head height:
      For measurements at the workplace, determine the CO₂ value at the head height of the people working there.

    5. Routine check when the CO₂level is raised:
      If there is a raised CO₂ concentration, it may be due to the ventilation system not being correctly set. A quick check is always a good idea.

    What is CO 2 ?

    When people breathe out, they release colourless and odourless carbon dioxide – a gaseous combination of carbon and oxygen which is harmful or deadly at a high concentration:

    • If the CO2 concentration in the air we breathe rises above 150,000 ppm, unconsciousness occurs.

    • The CO2 limit value in offices is 1,000 ppm.

    • The optimum value is 400 ppm.

    What would you like to measure? At Testo, you will find a measuring instrument which meets the highest demands for every VAC parameter: temperature, humidity, flow, pressure, measuring instruments for refrigeration systems, data loggers and lots more.

    Climate measurement with testo CO₂ measuring devices
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