Data Sheet for Product

Page 2 of 3 Siemens Industry, Inc.
Specifications
Monitoring range
55F to 95F (13C to 35C)
Sensing element
10K Negative Temperature Coefficient (NTC) Thermistor
Sensor Accuracy
±0.5F (0.3C), displayed to nearest whole degree at room sensor
Compatibility
Terminal Equipment Controller (TEC) using P1 protocol
Point Pickup Module
PXC Modular Series Controller with Expansion Module – for P2 or BACnet ALN
PXC Compact Series Controller with FLN – for P2 or BACnet ALN
Series 1000 Modular Equipment Controller (MEC) with FLNs and 32 MB or greater RAM – for P2
ALN
Modular Building Controller (MBC) with PowerPC – for P2 ALN
Frequency Range
16 channels of operation in the 2.4 GHz international license free ISM band (IEEE 802.15.4 radio
channels 11 through 26)
2405 to 2480 MHz – 5 MHz channel spacing
Modulation
O-QPSK Direct Sequence Spread Spectrum radio in accordance with IEEE 802.15.4 specification
Agency Listings
UL 916
CSA (267AS-5630002)
Complies with FCC Part 15.247 (Regulations for Low Power Unlicensed Transmitters) FCC ID:
TKD-5630002
Range
Typical indoor range of 25 to 100 ft (8 to 30 m)
(Actual range varies based on environmental conditions)
Operating Temperature
32F to 122F (0C to 50C)
Operating Relative
Humidity
20% to 90% relative humidity (non-condensing)
Dimensions
L 4.50” × W 2.75” × D 1.21”
(114 mm × 70 mm × 31 mm)
Power:
Battery
3.6 Volts Lithium AA (SAFT part number LS14500BA). These batteries are commonly
available at Batteries Plus and other battery distributors.
Battery Life
Typical 5-year life
(actual time varies based on operating environment, WRTS model, and settings)
Ordering Information
Description (White Housing, Battery Included)
Part Number
WRTS Sensing Only
QAA2290.EWSC
WRTS Sensing with Display*
QAA2290.DWSC
WRTS Sensing with Display*, Override, and Setpoint
QAA2290.FWSC
* Field selectable to display either Fahrenheit or Celsius units.