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.
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