Типы
термопар |
Type
J |
Type
K |
Type
N |
Type
T |
Type
R |
Units |
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Minimum continuous temperature |
-60 |
-200 |
-230 |
-200 |
-50 |
°C |
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Maximum continuous temperature |
+850 |
+1100 |
+1300 |
+400 |
+1350 |
°C |
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Maximum spot reading |
+1100 |
+1300 |
+1320 |
+500 |
+1400 |
°C |
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Tolerances
(IEC 584) |
Погрешность
по IEC 584 |
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Accuracy - Class 2 (see note) |
±2.5°C or 0.0075 ґ
T |
±2.5°C or 0.0075 ґ
T |
±2.5°C or 0.0075 ґ
T |
±1°C or 0.0075 ґ
T |
±1.5°C |
°C |
Temperature range - Class 2 |
-40 to +750 |
-40 to +1200 |
-40 to +1200 |
-40 to +350 |
-40 to +1600 |
°C |
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BS specification number |
4937 Part 4 |
4937 Part 4 |
4937 Part 8 |
4937 Part 5 |
4937 Part 2 |
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+ ve arm |
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Iron |
Nickel/Chromium |
Nicrosil |
Copper |
13% Rhodium/ |
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Platinum 87% |
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Composition |
Cr |
none |
. 10 |
14.2 ±0.5 |
unspecified |
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% |
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Si |
none |
unspecified |
1.4 ±0.2 |
unspecified |
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% |
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Fe |
100 |
unspecified |
0-15 max. |
unspecified |
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% |
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C |
none |
unspecified |
0.05 |
unspecified |
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% |
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Mg |
none |
unspecified |
none |
unspecified |
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% |
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Ni |
none |
balance |
balance |
unspecified |
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% |
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Cu |
none |
unspecified |
none |
balance |
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% |
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-ve arm |
|
Nickel/Aluminium |
Nickel/Aluminium |
Nisil |
Copper/Nickel |
100% Platinum |
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Composition |
Cr |
none |
unspecified |
0.02. max |
unspecified |
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% |
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Si |
none |
balance |
4.4 ±0.2 |
unspecified |
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% |
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Fe |
0.3 |
unspecified |
0.15 max. |
unspecified |
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% |
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C |
none |
unspecified |
0.05 max. |
unspecified |
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% |
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Mg |
none |
unspecified |
0.05 to 0.2 |
unspecified |
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% |
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Ni |
42 |
95 |
balance |
40/45 |
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% |
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Cu |
balance |
unspecified |
none |
balance |
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% |
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Mn |
1.2 |
balance |
none |
unspecified |
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% |
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Al |
none |
balance |
none |
unspecified |
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% |
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Colour
codes BS 4937 pt.30, 1993 (IEC 584) |
Цветовая
кодировка по IEC 584 |
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Thermocouple and |
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extension wiring |
+ve arm |
black |
green |
pink |
brown |
orange |
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-ve arm |
white |
white |
white |
white |
white |
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overall |
black |
green |
pink |
brown |
orange |
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Compensating cable |
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and wiring |
+ve arm |
black |
green |
pink |
brown |
orange |
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-ve arm |
white |
white |
white |
white |
white |
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overall |
black |
green |
pink |
brown |
orange |
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Note: |
T refers to measured temperature in ºC |
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