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Classification
1. Thermocouple level (high temperature level). This type of thermocouple wire is mainly suitable for thermocouple type K, J, E, T, N and L and other high temperature detection instrument, temperature sensor, etc.
2. Compensating wire level (low temperature level). This type of thermocouple wire is mainly suitable for compensating cable and extension wire of various thermocouples of type S, R, B, K, E, J, T, N and L, heating cable, control cable and so on.
Advantage of alloy wire
High quality with high measuring accuracy, fast thermal response, high mechanical strength, long service lifetime, wide temp measuring range of -200-1300centigrade .
Thermocouple variety and index of alloy wire
|
Thermocouple Variety and Index |
||
|
Variety |
Type |
Measurement Range(°C) |
|
NiCr-NiSi |
K |
–200–1300 |
|
NiCr-CuNi |
E |
–200–900 |
|
Fe-CuNi |
J |
–40–750 |
|
Cu-CuNi |
T |
–200–350 |
|
NiCrSi-NiSi |
N |
–200–1300 |
|
NiCr-AuFe0.07 |
NiCr-AuFe0.07 |
–270–0 |
Thermocouple type and grade of alloy wire
|
Thermocouple Type |
Grade |
Temperature Range(°C) |
Allowable Deviation |
|
type K and type N |
I |
–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 E |
I |
–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 J |
I |
–40–750 |
±1.5°C or ±0.4%t |
|
II |
–40–750 |
±2.5°C or ±0.75%t |
|
|
type T |
I |
–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-AuFe0.07 |
I |
–270–0 |
±0.5°C |
|
II |
±1.0°C
|
Specification of alloy wire
|
Anode |
Cathode |
Diameter(mm) |
Maximum Temperature(°C) |
|||
|
name |
code |
name |
code |
long-time using |
short-time using |
|
|
NiCr10(Chromel) |
KP |
NiSi3(Alumel) |
KN |
Φ0.3 |
700 |
800 |
|
Φ0.5 |
800 |
900 |
||||
|
Φ0.8 Φ1.0 |
900 |
1000 |
||||
|
Φ1.2 Φ1.6 |
1000 |
1100 |
||||
|
Φ2.0 Φ2.5 |
1100 |
1200 |
||||
|
NiCr14.2Si |
NP |
NiSi4 |
NN |
Φ3.2 |
1200 |
1300 |
|
NiCr10(Chromel) |
EP |
CuNi45(Copel) |
EN |
Φ0.3 Φ0.5 |
350 |
450 |
|
Φ0.8 Φ1.0 Φ1.2 |
450 |
550 |
||||
|
Φ1.6 Φ2.0 |
550 |
650 |
||||
|
Φ2.5 |
650 |
750 |
||||
|
Φ3.2 |
750 |
900 |
||||
|
Fe(Iron) |
JP |
CuNi45(Copel) |
JN |
Φ0.3 Φ0.5 |
300 |
400 |
|
Φ0.8 Φ1.0 Φ1.2 |
400 |
500 |
||||
|
Φ1.6 Φ2.0 |
500 |
600 |
||||
|
Φ2.5 Φ3.2 |
600 |
750 |
||||
|
Cu(Copper) |
TP |
CuNi45(Copel) |
TN |
Φ0.2 Φ0.3 |
150 |
200 |
|
Φ0.5 Φ0.8 |
200 |
250 |
||||
|
Φ1.0 Φ1.2 |
250 |
300 |
||||
|
Φ1.6 Φ2.0 |
300 |
350
|
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