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Temperature sensor

China

-

( Negotiable ) Get Latest Price

zhaoqing city ,China

-

1000

carton

7-15

100 Kilogram per Month

T/T, Western Union

Temperature sensor

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Product Specification

Brand Name : KAXD Usage : Temperature Sensor Theory : - Output : -

Product Description

一、 Features and applications
1. Features
 High precision high stability
②Quick temperature response
 Resistant to heat shock
④Moisture resistant
⑤Excellent quality and high stability by high technical mass production
1. Applications  
Temperature test in kinds of air-condition,refrigerator,hot boiler,microwave oven.
 
 NTC temperature sensors code
 Termination shape code
Code 1 2 3
Termination shape  
Epoxy Resin
Copper shell High temperature tube
④Rated zero-power resistance(R25)unit:Ω
The first two are significant figure of resistance and the third one expresses number of following zeros.
⑤Tolerance of R25(%
Code E F G H J X
Tolerance of R25 ±0.5 ±1.0 ±2.0 ±3.0 ±5.0 Specific tolerance
Tolerance of B value(%
记号Code E F G H J X
B
Tolerance of B
±0.5 ±1.0 ±2.0 ±3.0 ±5.0
Specific tolerance
 B value Temperature Code
 
Code A B C D E F G H M N
  25/50 25/ 85 0/25 0/50 0/100 0/80 25/100 -18/25 -20/25 5/25
⑨Length of the sensor unit: mm
Shape and dimensions
Technical   Data
 
 Resistance(R25
Requirement:R25 within the scope of the standard 
Test method: 25℃±0.05  constant temperature tank test
 
4. B-value
Requirement B value within the scope of the standard
Test method:In high accuracy constant temperature tank, code according to the B value measured at both temperature resistance, then the following formula.
Bt1/t2=ln (Rt1/Rt2)/(1/(t1+273.15)-1/(t2+273.15))
 
Insulation resistance
Requirement:≥ 100MΩ
Test condition:At room temperature, applied voltage 500V DC
 
withstand  voltage
Requirement:No breakdown
Test condition:At room temperature, applied voltage AC 1500V 5s for a second, max current 0. 5mA.
 
Thermal dissipation factor(δ)
δ≤2.5mW/℃;
Requirement:δ≤2.5mW/℃;
Test method:The product will be join with the following circuit at 25±0.5 in still air.

Thermal time Constant(τ)
Requirement:CWF1τ≤7s,CWF2型τ≤10s,CWF3τ≤9S
Test method:In the water, When the products be put into the water at 25 from the water at 50℃, Thermal time constant is the time that cost by the resistance becoming to be the value at63.2%.
 
Max.rated power
P≈137mw
P≈δ×(80℃-25℃)
Requirement:P≈137mw
Calculating method:P≈δ×(80℃-25℃)
80 is the maximum temperature that the product is heat by itself.
 
Max. Permissible Current
Requirement:Imax≤0.3mA
Test condition The current which can be applied to the sensor for rised upper limit of operating temp. range at 25 in still air.
 
-20~+150℃;
Operation temperature range:-20~+150
 
  Temperature sensor

Contact Us

Contact Person :Ms. Hebe

Company:Zhaoqing Gaoying Electronic Co., Ltd

Address:22No Erta Road , zhaoqing, Guangdong, China,506060

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