CWF Precision NTC Thermistor Probes
for Temperature Measurement
The CWF series NTC Thermistors
are supplied in 5 basic styles of
enclosures designed to facilitate
installation in a wide variety of
applications. PVC leads are applied
to a precision, high-reliability NTC
thermistor, insulated with heat
conductive water resistant materials
and potted into any of a wide variety
of probe bodies. CWF thermistors
are also available with custom
housings or custom lead lengths for
remote sensing and temperature
control in difficult conditions.
• Heating, Ventilation & Air Conditioning
• Temperature Regulation and Measurement
• Automotive Electronics
• Water Heaters
• Household Appliances such as refrigerators, water coolers, dishwashers and many others
Application
• Wide variety of installation fixtures and probes are available to suit your needs.
• Small size and fast response (temperature coefficient of resistance can reach- (2~5%/°C)
• Long-term Stability and Reliability (yearly drift of ≤1%)
• Excellent Tolerance and Interchangeability (the accuracy of R and B value can be ±1%)
• Double layer packaging provides excellent insulation and high strength and impact resistance.
• Dissipation Constant type 1 package ≥2.0mW/°C, type 2 package ≥4.0mW/°C
• Time Constant of ≤15S to 70S
Characteristics
8415 Mountain Sights Avenue • Montreal (Quebec), H4P 2B8, Canada
Tel:
(514) 739-3274 • 1-800-561-7207 •
Fax:
(514) 739-2902
2006/Mar
E-mail:
sales@cantherm.com •
Website:
www.cantherm.com
Dimensions (mm)
CWF1 (Ethoxyline dipped)
Characteristics:
Moisture resistant, good insulation, high reliability, small time constant, quick
responses.
Applications:
Household air-conditioning, refrigeration and many others.
CWF2 (Packaged in aluminum, copper, or stainless steel probe body)
Characteristics:
High resistance to thermal shock, moisture resistant, strong and secure structure,
high dissipation coefficient, the test current can be higher than that of the ethoxyline resin-package.
Applications:
All kinds of refrigeration, air-conditioning, water heaters, drinking fountains, and more.
8415 Mountain Sights Avenue • Montreal (Quebec), H4P 2B8, Canada
Tel:
(514) 739-3274 • 1-800-561-7207 •
Fax:
(514) 739-2902
E-mail:
sales@cantherm.com •
Website:
www.cantherm.com
CWF3 (Plastic body)
Characteristics:
Good dimensional tolerances, good heat resistance and moisture protection,
high voltage resistance.
Applications:
All kinds of Air-conditioning, refrigeration, and more.
8415 Mountain Sights Avenue • Montreal (Quebec), H4P 2B8, Canada
Tel:
(514) 739-3274 • 1-800-561-7207 •
Fax:
(514) 739-2902
E-mail:
sales@cantherm.com •
Website:
www.cantherm.com
CWF4 (Sheet metal attachment fixtures)
Characteristics:
Wide variety of fixtures, suitable for most applications.
Applications:
Fan control, industrial temperature controllers, and more.
CWF5 (Special probes)
Characteristics:
Small time constant, fast response, flexible and secure.
Applications:
Water heaters, electronic thermometers, and more.
8415 Mountain Sights Avenue • Montreal (Quebec), H4P 2B8, Canada
Tel:
(514) 739-3274 • 1-800-561-7207 •
Fax:
(514) 739-2902
E-mail:
sales@cantherm.com •
Website:
www.cantherm.com
Specification
①
NTC Temp sensor
②
Package Option
1-
Dipped ethoxyline resin
2-
Aluminum,copper, or stainless steel housing
3-
Plastic body
4-
Sheet metal attachment fixtures
5-
Special probes
③
The Rated Resistance at 25ºC
Example:103＝10×10
3
＝10000Ω=10KΩ
④
The Precision Symbol of Rated Resistance
F ±1％ G ±2％ H ±3％ J ±5％
：
：
：
：
⑤
B value 25/50℃） value example: 3380K
（
B
Main Techno-Parameter
8415 Mountain Sights Avenue • Montreal (Quebec), H4P 2B8, Canada
Tel:
(514) 739-3274 • 1-800-561-7207 •
Fax:
(514) 739-2902
E-mail:
sales@cantherm.com •
Website:
www.cantherm.com
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