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BMS Controls Glossary

Relative Humidity Transmitter

A relative humidity transmitter is a device that measures and transmits the relative humidity of the air. It is an electronic device that uses a sensor element to measure the amount of moisture in the air and then convert it into a signal that can be read by a display or controller. Relative humidity is the amount of water vapor present in the atmosphere as a percentage of the maximum amount of water vapor that the air can hold at a given temperature. Relative humidity can affect the comfort level of humans, as well as the temperature of the air, and can impact indoor air quality. Relative humidity transmitters are often used in commercial, industrial, and residential buildings to monitor humidity levels and maintain a comfortable environment. The device is typically mounted on a wall and can be connected to a controller or other system to regulate the humidity levels in the building. The transmitter measures the relative humidity of the air and then sends the data to the controller, which can then adjust the temperature or other environmental conditions as needed.