When buying a hygrometer, you should check that it’s possible to calibrate it, otherwise it is relatively worthless. Calibration, however, is not exactly a simple operation. There are various calibration methods that all have their drawbacks.
When buying a hygrometer, you should check that it’s possible to calibrate it, otherwise it is relatively worthless. Calibration, however, is not exactly a simple operation. There are various calibration methods that all have their drawbacks.
By pressing the ‘I AM OF LEGAL AGE’ button, I agree that I am of legal age for smoking and drinking in my country.