Siemens QFA3212.EWNN Room RH and Temperature Sensor, 1K OHM PT(385) Blank, No Logo.

Siemens QFA3212.EWNN Room RH and Temperature Sensor, 1K OHM PT(385) Blank, No Logo.. The Siemens QFA Series sensors designed for high-accuracy and reliable humidity and temperature monitoring in HVAC and other critical environments, such as production facilities, laboratories, and hospitals.