The Siemens QFM2101 Building Technology SENSOR (DUCT) RH 4-20ma output is a sensor that is used to measure the air flow in ducts. It has a 4-20ma output and is suitable for use in air conditioning...
The Siemens QFM3100 duct sensor is a high quality duct sensor that can measure the RH (relative humidity) in the air. This duct sensor is perfect for use in air conditioning and heating systems.
"SENSORThe IGBT SENSOR's RH (Relative Humidity) for indoor air quality. The sensor measures the humidity of the air surrounding the sensor, and can be read easily with a 0-19999% digital serial...
The Siemens QFA2001 Room RH Sensor is a passive infrared (PIR) motion sensor that is used to detect movement in a room. The sensor is mounted on the ceiling and is activated when movement is...