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| Color Chart for Thermocouple Extension/Compenasting Wire |
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| *AS for the coating thermo-couple of the ASTM standard, the sheath color becomes brown. |
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| Types of Extension/Compensating Wires & Margin of error |
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| ICE584-3(JIS C1610-1995) |
| Thermocouple Sensor |
Types |
Composing materials of Conductor |
Temp of connected point white thermocouple |
Margin of error(°C) |
| Positive(PX) |
Negative(NX) |
(°C) |
Class1 |
Class2 |
| K |
KX |
Chromel® |
Alumel® |
-25~+200 |
±1.5 |
±2.5 |
| KCA |
0~+150 |
- |
±2.5 |
| KCB |
Iron |
Constantan |
0~+150 |
- |
±2.5 |
| KCC |
Copper |
Constantan |
0~+100 |
- |
±2.5 |
| E |
EX |
Chromel® |
Constantan |
-25~+200 |
±1.5 |
±2.5 |
| J |
JX |
Iron |
Constantan |
-25~+200 |
±1.5 |
±2.5 |
| T |
TX |
Copper |
Constantan |
-25~+100 |
±0.5 |
±1.0 |
| R |
RCA |
Copper |
Copper-Nickel alloy |
0~+100 |
- |
±2.5 |
| RCB |
0~+200 |
- |
±5.0 |
| S |
SCA |
Copper |
Copper-Nickel alloy |
0~+100 |
- |
±2.5 |
| SCB |
0~+200 |
- |
±5.0 |
| B |
BC |
Copper |
Copper |
0~+100 |
- |
| N |
NX
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Nickel-Chromium-Silicon
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Nickel-Silicon
|
-25~+200
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±1.5
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±2.5 |
| NC |
Copper-Nickel alloy |
Copper-Nickel alloy |
0~+150 |
- |
±2.5 |
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| ※Chromel, Alumel (Hoskins trade mark) |
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| ASTM E230-1996 |
| Thermocouple Sensor |
Types |
Temp of connected point white thermocouple |
Margin of error(°C) |
| (°C) |
Special |
Standard |
| K |
KX |
0~+200 |
±1.1
|
±2.2 |
| E |
EX |
0~+200 |
±1.0 |
±1.7 |
| J |
JX |
0~+200 |
±1.1 |
±2.2 |
| T |
TX |
-60~+100 |
±0.5 |
±1.0 |
| R |
RX |
0~+200 |
- |
±5.0 |
| S |
SX |
0~+200 |
- |
±5.0 |
| B |
BX |
0~+100 |
- |
±3.7 |
| N |
NX |
0~+200 |
±1.1 |
±2.2 |
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