● Standard GB/T4993-1998
● Applicable conditions:
oxidation and weak reducing atmosphere
Temperature Range: -200 ~ 1000℃
● Temperature the upper limit
Wire dia mm |
Long-term temperature the upper limit ℃ |
Short-term temperature the upper limit ℃ |
0.3 0.5 |
350 |
450 |
0.8 1.0 1.2 |
450 |
550 |
1.6 2.0 |
550 |
650 |
2.5 |
650 |
750 |
3.2 |
750 |
900 |
● Uneven Thermo-emf
Wire dia mm |
temperature of measuring side ℃ |
Uneven thermo-emf μV |
|||||
Ⅰ |
Ⅱ |
Ⅲ |
|||||
NiCr |
CuCr |
NiCr |
CuCr |
NiCr |
CuCr |
||
0.3 0.5 |
-196 |
|
|
|
|
20 |
30 |
0.3 0.5 0.8 |
400 |
40 |
50 |
70 |
90 |
|
|
1.6 2.0 2.5 |
600 |
55 |
75 |
100 |
140 |
|
|
3.2 |
700 |
60 |
85 |
115 |
165 |
|
|
● Thermo-emf and tolerance
Wire dia |
Grade |
Thermocouple thermo-emf |
NiCr- Pt thermocouple thermo-emf |
||||||||||
0.3 0.5 |
temp. point |
－79℃ |
－196℃ |
－79℃ |
－196℃ |
||||||||
Ⅲ |
－4254±121 |
－8722±77 |
－1828±50 |
－3395±30 |
|||||||||
0.3 0.5 |
temp. point |
100℃ |
200℃ |
250℃ |
100℃ |
200℃ |
250℃ |
||||||
Ⅰ |
6319±101 |
13421±111 |
|
2814±45 |
5970±49 |
|
|||||||
Ⅱ |
6319±169 |
13421±185 |
|
2814±75 |
5970±82 |
|
|||||||
0.8 1.0 1.2 |
temp. point |
100℃ |
300℃ |
400℃ |
100℃ |
300℃ |
400℃ |
||||||
Ⅰ |
6319±101 |
21036±117 |
28946±128 |
2814±45 |
9323±51 |
12764±55 |
|||||||
Ⅱ |
6319±169 |
21036±195 |
28946±240 |
2814±75 |
9323±85 |
12764±104 |
|||||||
1.6 2.0 2.5 |
temp. point |
100℃ |
300℃ |
400℃ |
600℃ |
100℃ |
300℃ |
400℃ |
600℃ |
||||
Ⅰ |
6139±101 |
21036±117 |
28946±128 |
45093±194 |
2814±45 |
9323±51 |
12764±55 |
19618±81 |
|||||
Ⅱ |
6139±169 |
21036±195 |
28946±240 |
45093±363 |
2814±75 |
9323±85 |
12764±104 |
19618±152 |
|||||
3.2 |
temp. point |
|
400℃ |
600℃ |
700℃ |
|
400℃ |
600℃ |
700℃ |
||||
Ⅰ |
|
28946±128 |
45093±194 |
53112±223 |
|
12764±55 |
19618±81 |
22951±92 |
|||||
Ⅱ |
|
28946±240 |
45093±363 |
53112±418 |
|
12764±104 |
19618±152 |
2295±173 |
|||||
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