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Cu-CuNi (constantan) Thermocouple (Type T) Alloy Class 1 Accuracy
Cu-CuNi (constantan) Thermocouple (Type T) Alloy Class 1 Accuracy
Cu-CuNi (constantan) Thermocouple (Type T) Alloy Class 1 Accuracy
Cu-CuNi (constantan) Thermocouple (Type T) Alloy Class 1 Accuracy
Cu-CuNi (constantan) Thermocouple (Type T) Alloy Class 1 Accuracy
Cu-CuNi (constantan) Thermocouple (Type T) Alloy Class 1 Accuracy

Cu-CuNi (constantan) Thermocouple (Type T) Alloy Class 1 Accuracy

Min.Order: 5
Product origin: Hangzhou, Zhejiang, China
Infringement complaint: complaintComplaint
US$ 24.2 ~ 26.6

Description
Cu-CuNi(constantan) thermocouple (Type T) alloy Class 1 Accuracy 

1. Description
Type T thermocouple wire is composed of a copper (+) wire versus a nickel-45% copper (-) wire. The Type of thermocouple is frequently referred to as copper-constantan. This type of thermocouple can be used in oxidizing, reducing, or inert atmospheres with a service temperature range between -200°C and 370°C (-330°F to 700°F). The high temperature use of this thermocouple is also limited due to rapid oxidation of the copper element. The Type T thermocouple is one of the few thermocouples which have established limits of error for use in subzero and cryogenic applications. This is possible due to the Type T's superior corrosion resistance in moist environments.

2. Chemical Content(%)
Type TNiCu
+Copper (TP)--100
-Constantan (TN)4555

3. Physical Properties
Type TCopper (TP)Constantan (TN)
Density/(g/cm3)8.98.8
Resistivity at 20ºC/(uΩ·cm)1.7149.0
Tensile Strength/(MPa)>=196>=390

4. Working Temperature of thermocouple wire
Diameter/mmLong time Working temperature /ºCShort period Working temperature /ºC
0.2, 0.3150200
0.5, 0.8200250
1.0,  1.2250300
1.6,  2.0300350

5. Type and Grade of thermocouple bare wire
Thermocouple TypeGradeTemperature Range(°C)Allowable Deviation
type K and type NI-40-1100±1.5°C or±0.4%t
II-40-1300±2.5°C or ±0.75%t
III-200-40±2.5°C or ±1.5%t
type EI-40-1100±1.5°C or ±0.4%t
II-40-1300±2.5°C or ±0.75%t
III-200-40±2.5°C or±1.5%t
type JI-40-750±1.5°C or ±0.4%t
II-40-750±2.5°C or ±0.75%t
type TI-40-350±0.5°C or± 0.4%t
II-40-350±1.0°C or± 0.75%t
III-200-40±1.0°C or± 1.5%t
NiCr-AuFe0.07I-270-0±0.5°C
II±1.0°C 

6. Specification of thermocouple bare wire
PositiveNegativeDiameter(mm)Maximum Temperature(°C)
namecodenamecodelong-time usingshort-time using
NiCr10(Chromel)KPNiSi3(Alumel)KNΦ0.3700800
Φ0.5800900
Φ0.8  Φ1.09001000
Φ1.2  Φ1.610001100
Φ2.0  Φ2.511001200
NiCr14.2SiNPNiSi4NNΦ3.212001300
NiCr10(Chromel)EPCuNi45(Copel)ENΦ0.3  Φ0.5350450
Φ0.8  Φ1.0  Φ1.2450550
Φ1.6  Φ2.0550650
Φ2.5650750
Φ3.2750900
Fe(Iron)JPCuNi45(Copel)JNΦ0.3  Φ0.5300400
Φ0.8  Φ1.0  Φ1.2400500
Φ1.6  Φ2.0500600
Φ2.5  Φ3.2600750
Cu(Copper)TPCuNi45(Copel)TNΦ0.2  Φ0.3150200
Φ0.5  Φ0.8200250
Φ1.0  Φ1.2250300
Φ1.6  Φ2.0300350


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