Current state and future trends in the development of hygrometers and their metrological support

An overview of the most widely used methods of humidity measurement as well as hygrometers based on these methods is given. The main advantages of each method predetermining their application areas are listed. The main characteristics of the standard equipment for the metrological support of the hygrometers are presented. Recommendations for further improvement of the hygrometers and standard equipment are given.