A capacitor type of hygrometer is usually used to measure ... The voltage output can be analog, which is then converted to digital. The self-emptying tipping bucket technology is most often ...

‘For example, an analog hygrometer could have a human hair that expands and adapts to changes in humidity. Digital ...

A Barometer Manual for the Use of Seamen; with an Appendix on the Thermometer, Hygrometer, and Hydrometer. Issued by the authority of the Meteorological Committee. Sixth edition, extensively revised.