Reviews
fairly accurate for the price
The display is really clear and easy to read, One of the best instruments displays I have used in a while, even better than expensive medical instruments used in hospitals. The temperature and humidity measurements are more accurate than my nest thermostat. The CO2 reading is good enough for the purpose (I did not have to calibrate as it was already giving me accurate reading (410 ppm) outdoors. When I have all the doors and windows closed in my home. and running the AC. The CO2 levels rises to around 500-600 PPM overnight. When I cook things on the gas burner and have the windows closed it further goes up to 650-700 ppm. When I leave the windows opened and turn on the roof ventilation. The CO2 never goes up more than 450 PPM. During Covid its really important to have the CO2 less than 800 PPM this instruments helps me undesrtand the importance of ventilation in helping reduce Covid spread.
11/07/2022
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