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For assessing indoor air quality: use the probe (with the compatible measuring instrument) to measure CO₂ concentration, humidity and air temperature.For assessing indoor air quality: use the probe (with the compatible measuring instrument) to measure CO₂ concentration, humidity and air temperature. The readings are transmitted directly to your measuring instrument via Bluetooth, making your measurements particularly convenient.More applications, less equipment: if you already own one of our probes with a universal handle, you can easily expand your portfolio of probes with the CO₂ probe head.

If there are a lot of people in a room, the air quality deteriorates. Reliable monitoring is particularly important, because indoor air quality is linked to our well-being. The WiFi data logger testo 160 IAQ is ideal for monitoring indoor air quality in facility management.
 Kit for evaluating the indoor air quality. The testo 440 air velocity and IAQ measuring instrument and the CO₂ probe with Bluetooth^® including temperature and humidity sensor are all safely stowed away in the case. So you can get down to work straight away!Use this practical Indoor Comfort ComboKit to handle all relevant measurements in order to evaluate the indoor air quality in indoor areas and to determine the draught risk and degree of turbulence in workplaces. The testo 440 air velocity and IAQ measuring instrument, the CO₂ probe with Bluetooth^® including temperature and humidity sensor and the turbulence probe are all safely stowed away in the case. So you can get down to work straight away!Ideal kit for IAQ professionals, with a focus on indoor air quality and comfort level. You will receive the testo 400 universal IAQ measuring instrument with intuitive measurement menus, one CO₂ probe (with Bluetooth^® handle), one turbulence probe and one globe thermometer Ø 150 mm (both with fixed cable). Use the measuring tripod to ensure standard-compliant positioning of the probes. In combination with the IAQ data logger, which is available to order separately, long-term measurements up to 2 weeks can be recorded, even without the IAQ measuring instrument.The compact CO₂ measuring instrument testo 535 is ideally suited for simple, fast and precise determination of carbon dioxide content to ensure indoor air quality and thus health and performance. The connection to the testo Smart App enables configuration, display (also as second screen) and storage as well as documentation of the measured values directly in the App.This ISO calibration certificate certifies that your measuring instrument or probe is calibrated. Calibration is carried out according to the ISO standard.

详情：
ISO CO2 calibration certificate with 3 calibration points: 0 / 1,000 / 5,000 p
技术数据：

General technical data

Product-/housing material	paper
Product colour	white

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