Siemens QFA3100 OUTSIDE AIR RELATIVE HUMIDITY SENSOR, 2 PERCENT ACCURACY, 0-10 VDCSiemens QFA3100 Outside Air Relative Humidity Sensor, 2 percent accuracy, 0 10 Vdc This Q Series Outdoor Air Relative Humidity Sensor monitors and transmits changes in humidity to the building control system. This unit is especially suited for HVAC applications where high accuracy and short response times for measuring relative humidity are required. This sensor has a 2 percent accuracy rating and a 0 to 10 Volt DC humidity output signal. Additional