This device is used to humidify or dehumidify the air. And the confusion of names you will encounter a plethora the functions and specifications which deserve to make picking the ideal devices for your. Weather Instruments The can and water are a simplified form of a chilled mirror hygrometer a device with electronic sensors which meteorologists use to measure dew point. . However absolute humidity can be pinpoint the exact amount of humidity in the air. There are plenty of names because that the instruments that measure up humidity. A psychrometer is an example of a hygrometer. However this control of humidity is limited only to small areas like rooms or buildings. Infrared spectrometry is used to. A psychrometer is an example of a hygrometer. Our Moisture Meters are offered in both analog and digital models and are available as pin or pinless types. However if you cannot get your hands on a hygrometer I ...