Why don't two different hygrometers show the same values?
All hygrometers have a margin of error of +/- 5%. To compare two displays, the measurement must be carried out under the same conditions (e.g. same temperature) and in the same location.
All hygrometers have a margin of error of +/- 5%. To compare two displays, the measurement must be carried out under the same conditions (e.g. same temperature) and in the same location.