Q-Series
Technical Instructions
Document No. 155-755
February 28, 2013
Relative Humidity and
Relative Humidity &
Temperature Sensors for
Critical Environments
and Outdoor Air
Siemens Industry, Inc.
Description
The Q-Series Relative Humidity and Relative Humidity & Temperature Sensors for
Critical Environments and Outdoor Air monitor and transmit changes in humidity and
temperature to the building control systems.
Features
•
Operating voltage 24 Vac/13.5 to 35 Vdc
•
Signal output 0 to 10 Vdc/4 to 20 mA for relative humidity and temperature
•
Very high measuring accuracy across the entire measuring range
•
Capacitive humidity measurement
•
Precise, stable humidity sensing
•
Available in 2% and 2%, certified models
•
Optional
display
•
Recalibration service available (QFA41 Series only)
Application
The Q-Series Outdoor Air rh and rh/T Sensors are for use in HVAC applications where
high accuracy and short response times for measuring relative humidity are required.
The measuring range covers the entire humidity range of 0 to 100%. Some application
examples:
•
Storage and production facilities in the paper, textile, pharmaceutical, food, chemical
and electronics industry, etc.
•
Laboratories
•
Hospitals
•
Computer and EDP centers
•
Greenhouses
•
Outdoor use requires AQF3100 Outdoor Mounting Kit
