Siemens QFM2160U Duct Relative Humidity & Temperature Control

The Siemens QFM2160U Duct Relative Humidity & Temperature Control Duct Sensor is a flexible and accurate sensor for HVAC systems. Because it can measure both the temperature and the humidity inside ductwork, it is the perfect solution to keep an eye upon and a handle on an environment in commercial and industrial situations. Humidity is measured from 0 to 95% relative humidity and temperature from -40 to 158°F. It operates on a 0 to 10 V supply. It provides guarantee for accurate readings of climate control. It's made of polymer, with an easy to integrate 4-20 mA current output that is compatible with a variety of HVAC controllers and systems.