| S.NO. |
TYPE OF THERMOCOUPLE |
MATERIAL OF EXTENSION COMPENSATING CABLE |
SPECIFICATIOPN |
COLOUR CODE |
| (+) LEAD |
(-) LEAD |
TEMP |
mV |
STANDARD TOLERANCE |
| 1. |
COPPER CONSTANTAN |
Copper (TX) |
CONSTANTAN |
-60°C
100°C
200°C |
- 2.152
4.277
9.286 |
±1°C
±1°C
±1°C |
(+) BLUE
(-) RED
(O) BLUE |
| 2. |
IRON-CONSTANTAN |
IRON (JX) |
CONSTANTAN |
100°C
200°C |
5.268
10.777 |
±2.2°C
±2.2°C |
(+) WHITE
(-) RED
(O) BLACK |
| 3. |
NICKEL/CHROMIUM-NICKEL/ALUMINIUM |
NICKEL/CHROMIUM
(KX) |
NICKEL/ALUMINIUM |
100°C
200°C |
4.095
8.137 |
±3°C
±3°C |
(+) RED
(-) GREEN
(O) GREEN |
| IRON (WX) |
COPPER-NICKEL |
|
|
|
(+) RED
(-) GREEN
(O) GREEN |
| 4. |
PLATINUM/PLATINUM/RHODIUM 13% |
COPPER(RX) |
COPPER-NICKEL ALLOY |
100°C
200°C |
0.645
1.440 |
±3°C
±3°C |
(+) RED
(-) WHITE
(O) WHITE |
| 5. |
PLATINUM/PLATINUM/RHODIUM 10% |
COPPER(SX) |
COPPER-NICKEL ALLOY |
100°C
200°C |
0645
1.440 |
±3°C
±3°C |
(+) RED
(-) WHITE
(O) WHITE |
