Outside Air Temperature Sensor
Installation and
Specifications subject to change without notice.
Catalog No. 11-808-633-01
#20909 –
3/2/18
Overview
The Outside Air Temperature Sensor is a thermistor sensor for outside air mounting. The probe is made to protect the
sensor from rain, sleet, snow or bird droppings. The enclosure is NEMA 4 and UV rated.
Figure 1: Outside Air Sensor in a BB2 Enclosure Figure 2: Enclosure Installation
Part # NSB-10K-2-O-BB2
Specifications
Sensor Passive, NTC, 2 wire
Thermistor Thermal resistor
Temp. Output Resistance, 10k Type 2
Accuracy (Std) ±0.36ºF, (±0.2ºC)
Stability < 0.036ºF/Year, (<0.02ºC/Year)
Heat dissipation 2.7 mW/ºC
Temp. Drift <0.02ºC per year
Probe range -40º to 221ºF (-40º to 105ºC)
Lead wire 22AWG stranded
Wire Insulation Etched Teflon, Plenum rated
Probe Vented polycarbonate shield, ½” OD
Probe Length 1.2” w/ ½” NPT threads
Mounting Extension tabs (ears), 3/16” holes
Wall Gasket Closed cell foam (impervious to mold)
Enclosure Type
BB2 Box With three ½” NPSM & three ½” drill-
outs
Enclosure ratings NEMA 4, IP66
Enclosure materials Polycarbonate, UL94V-0, UV rated
Ambient (Enclosure) 0 to 100% RH, Non-condensing
-40ºF to 185ºF, (-40º to 85ºC)
Agency RoHS, CE