Siemens Building Technologies Flush Mount Room Temperature Sensors Data Sheet
Flush Mount Room Temperature
Sensors — Various Outputs
Flush Mount
Temperature Sensors
Metal Flush Mount SensorPlastic Flush Mount Sensor
Button Sensor without Wall PlateButton Sensor with Wall Plate
Description
Flush Mount Room Temperature Sensors provide a
resistance signal to the controller that varies proportionally
with temperature. The sensors are available with Platinum
1k Ω 375, NTC 100k Ω Type 2, or NTC 10k Ω
Type 2 passive output signals.
The wall plate version is designed to mount to a 2-inch
× 4-inch electrical box. The tamper-proof screws used to
install the sensor to the utility box protects the sensor from
removal by unauthorized personnel. The sensors may be
painted after installation.
Features
• Tamper-proof screws
• Can be painted after installation
• Designed for mounting to a 2 x 4 electrical box
• Option of brushed stainless steel nish or beige or
white plastic (except for button sensor)
Applications
Flush mount temperature sensors are used to monitor
air temperature throughout the facility. Flush mounted
sensors are ideally suited to high trafc areas and in
facilities where vandalism / tampering is a concern.
E-19
Sensors
www.usa.siemens.com/hvac
Flush Mount Temperature Sensor Specifications
E-20
Sensors
Output Signals ........................................................ Changing Resistance
10K Ohm Thermistor
Calibration Point Factory Setting ............................................ 77°F (25°)
Accuracy........................................................................ ±0.5°F (±0.3°C)
Resistance Value @ Cal. Temp .........................................................10k
100K Ohm Thermistor
Calibration Point ..................................................................... 77°F (25°)
Accuracy........................................................................ ±0.5°F (±0.3°C)
Resistance Value @ Cal. Temp ..............................................100k Ohm
1K Ohm RTD (375 alpha)
Calibration Point ........................................................................... 32°F (0°)
Accuracy .......................................................................... ±0.54°F (±0.3°C)
Resistance Value @ Cal. Temp ..................................................... 1K Ohm
Flush Mount Temperature Sensor Product Ordering
Application Description Output Signal Part Number Range Data Sheet
Room
Temp
Button Style Room Temp Sensor
without Wall Plate
Button Style Room Temp Sensor
with Wall Plate
Flush Mount Room Temp Sensor
Beige Plastic
Flush Mount Room Temp Sensor
White Plastic
Flush Mount Room Temp Sensor
Metal
Flush Mount Room Temp Sensor
Beige Plastic
Flush Mount Room Temp Sensor
White Plastic
Flush Mount Room Temp Sensor
Metal
Flush Mount Room Temp Sensor
Beige Plastic
Flush Mount Room Temp Sensor
White Plastic
Flush Mount Room Temp Sensor
Metal
Platinum 1k Ω
375 alpha
NTC 100k Ω Type 2
NTC 10k Ω Type 2
QAA1011.AASU
QAA1011.AATU 149-471
544-374A 149-956
544-374B 149-956
544-973 149-956
536-784A 149-956
536-784B 149-956
536-984 149-956
536-994A 149-956
536-994B 149-956
540-984 149-956
Controller
Dependent
149-471
www.usa.siemens.com/hvac
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