The CP11 Handheld CO2 Indoor Air Quality Meter is the latest development of an inexpensive multimeter that simultaneously measures and records CO2, humidity and temperature. Rotronic HW4-Light software is included and is used to adjust settings and download data. The unit holds up to 18,000 data points (with timestamp) for CO2, humidity, and temperature. The measuring range is 0…5000 ppm, 0.1..99.95% RH, -20..60°C.
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