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Thermistor, Immersion
Installation and Operation
#NSA-A/CP-I-2.5-4X, NSA-A/CP-I-4-4X, NSA-A/CP-I-6-4X, NSA-HH/CP-I-2.5-PB-C, NSA-HH/CP-I-4-PB-C
NSA-HH/CP-I-6-PB-C
– 11/15/2019
Specifications subject to change without notice.
Catalog No. 11-808-785-01
Page
1
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5
Overview
Carrier Immersion Thermistors provide a predictable and accurate output over the specified
temperature range. Each sensor configuration is designed and manufactured for long-term
quality and performance. Carrier incorporates standard features such as double encapsulation
and etched Teflon leads where applicable.
Part Numbers
NSA-A/CP-I-2.5-4X
NSA-A/CP-I-4-4X
NSA-A/CP-I-6-4X
NSA-HH/CP-I-2.5-PB-C
NSA-HH/CP-I-4-PB-C
NSA-HH/CP-I-6-PB-C
Specifications
Number Sensing Points:
One
Storage Temperature Range:
-40 to 85 °C (-40 to 185 °F)
Operating Humidity Range:
0 to 90% RH, non-condensing
Probe Diameter | Thermowell Bore Diameter:
0.250” (6.35mm) | 0.260”
Probe Material | Thermowell Material:
304 Stainless Steel | 304 Series Stainless Steel
Wire Size
22 AWG (0.65 mm)
Thermowell Instrument | Process Thread Size:
½” NPS (National Pipe Straight) Female Thread | ½” NPT (National Pipe
Tapered) Male Thread
Enclosure Specifications
(Temperature, Material,
Flammability, NEMA/IP Ratings)
“-PB” Enclosure
: ABS Plastic, UL94-HB, -30 to 90 °C (-22 to 194 °F),
Plenum Rated
“-4X” Enclosure
: Polystyrene Plastic, UL94-V2, -40 to 70°C (-40 to 158°F),
NEMA 4X (IP 66)
Sensor Output @ 25 °C (77 °F):
(Lead Wire Colors)
10 KΩ nominal (White/Green)
Immersion Length
NSA-xxx-2.5
:
2.5” (63.50 mm) |
NSA-xxx-4
:
4.0“ (101.60 mm)
NSA-xxx-6
:
6.25” (158.75 mm)
Probe Length
NSA-xxx-2.5
:
4.31” (109.47 mm) +/- 0.13” (3.30 mm)
NSA-xxx-4
: 5.81“ (147.57 mm) +/- 0.13” (3.30 mm)
NSA-xxx-6
: 7.81” (198.37 mm) +/- 0.13” (3.30 mm)