● Standards GB / T 17615-1998
● Applicable conditions:
oxidation and neutral atmosphere, toxidation resistance better than
NiCr- NiSi wire
Temperature range: -200 ~ 1200 ℃
● Temperature the upper limit
Wire dia mm |
Long-term temperature the upper limit ℃ |
Short-term temperature the upper limit ℃ |
0.3 |
700 |
800 |
0.5 |
800 |
900 |
0.8 1.0 |
900 |
1000 |
1.2 1.6 |
1000 |
1100 |
2.0 2.5 |
1100 |
1200 |
● Uneven thermo-emf
Wire dia mm |
temperature of measuring side ℃ |
Uneven thermo-emf μV |
||
Ⅰ |
Ⅱ |
Ⅲ |
||
0.3 0.5 |
-196 |
|
|
20 |
0.3 |
700 |
35 |
70 |
|
0.5 0.8 1.0 |
800 |
40 |
80 |
|
1.2 1.6 2.0 |
1000 |
50 |
100 |
|
● Thermo-emf and tolerance
Wire dia |
Grade |
Thermocouple thermo-emf |
NiCrSi - Pt thermocouple thermo-emf |
||||||||||
0.3 0.5 |
temp. point |
－79℃ |
－196℃ |
－79℃ |
－196℃ |
||||||||
Ⅲ |
－1950±56 |
－3950±31 |
－1025±37 |
－1590±21 |
|||||||||
0.3 |
temp. point |
400℃ |
600℃ |
700℃ |
400℃ |
600℃ |
700℃ |
||||||
Ⅰ |
12974±59 |
20613±94 |
24527±110 |
8919±39 |
14370±63 |
17202±73 |
|||||||
Ⅱ |
12974±110 |
20613±175 |
24527±206 |
8219±74 |
14369±117 |
17202±137 |
|||||||
0.5 0.8 1.0 |
temp. point |
400℃ |
600℃ |
800℃ |
400℃ |
600℃ |
800℃ |
||||||
Ⅰ |
12974±59 |
20613±94 |
28455±126 |
8919±39 |
14370±63 |
20094±84 |
|||||||
Ⅱ |
12974±110 |
20613±175 |
28455±236 |
8919±74 |
14370±117 |
20094±157 |
|||||||
1.2 1.6 2.0 2.5 |
temp. point |
400℃ |
600℃ |
800℃ |
1000℃ |
400℃ |
600℃ |
800℃ |
1000℃ |
||||
Ⅰ |
12974±59 |
20613±94 |
28455±126 |
36256±154 |
8919±39 |
14370±63 |
20094±84 |
26046±103 |
|||||
Ⅱ |
12974±110 |
20613±175 |
28455±236 |
36256±289 |
8919±74 |
14370±117 |
20094±157 |
26046±193 |
|||||
3.2 |
temp. point |
400℃ |
600℃ |
800℃ |
1000℃ |
400℃ |
600℃ |
800℃ |
1000℃ |
||||
Ⅰ |
12974±59 |
20613±94 |
28455±126 |
36256±154 |
8919±39 |
14370±63 |
20094±84 |
26046±103 |
|||||
Ⅱ |
12974±110 |
20613±175 |
28455±236 |
36256±289 |
8919±74 |
14370±117 |
20094±157 |
26046±193 |
|||||
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