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Smart CO2 Detector, Indoor Air Quality Monitor, NDIR Sensor Carbon Dioxide Detector, Temperature Humidity Air Tester for CO2 Alarm, Smart Life Tuya APP Digital CO2 Meter

SKU: GW40.0005

  • 67.99
Overall Rating 4.7   18
Reviews
3
CO2 seems accurate, Relative Humidity is way off
I took the unit outside in order calibrate it. It then read 408PPM, which is exactly what it should be, so I'm assuming the CO2 sensor is accurate.

But the relative humidity is a different story. I have three hygrometers in my mushroom grow tent. They all read within 3% of each other at 87-90% humidity. This unit consistently reads 75%, or roughly 15% low. While there is a way to calibrate the CO2 sensor, I don't see a way to calibrate the hygrometer. I'm disappointed in the inaccuracy.
30/06/2024
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