Reviews
pretty accurate for the price
The display is really clear and easy to read. It's one of the best instrument displays I've used in a long time, even better than expensive medical instruments used in hospitals. Temperature and humidity readings are more accurate than my Nest thermostat. The CO2 reading is good enough for this purpose (I didn't need to calibrate as it already gave me an accurate reading outdoors (410ppm). When in my house all the doors and windows are closed and the air conditioning is running. The CO2 reading rises to about 500-600ppm overnight If I cook on the gas burner and have the windows closed it continues to rise to 650-700ppm If I leave the windows open and turn on the roof vent the CO2 is never lost more than 450 PPM During Covid it is really important that the CO2 level is below 800 PPM This tool helps me to understand the importance of ventilation to reduce the spread of Covid.
14/02/2024
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