| |
| ANSI Code | Alloy Combination | Color Coding | Maximum Temperature Useful Range | EMF (mV) Over Max. Temperature Range | Limits of Error** (Whichever is Greater) | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| +Lead | -Lead | Thermocouple Grade | Extension Grade | |||||||
| Standard | Special | |||||||||
| U* | COPPER Cu |
COPPER-LOW NICKEL Cu-Ni |
NONE ESTABLISHED |  |
0 to 50°C (32 to 122°F) Ext. Grade |
|||||
| B | PLATINUM 13% RHODIUM Pt-30% Rh |
PLATINUM 6% RHODIUM Pt-6% Rh |
NONE ESTABLISHED |  |
0 to 1700°C (32 to 3092°F) Therm. Grade 0 to 100°C (32 to 212°F) Ext. Grade |
0 to 13.820 | 0 to 1700°C (32 to 3092°F)
| |||
| G* (W) |
TUNGSTEN W |
TUNGSTEN- 26% RHENIUM W-26% Re |
NONE ESTABLISHED |  |
0 to 2320°C (32 to 4208°F) Therm. Grade 0 to 260°C (32 to 500°F) Ext. Grade |
0 to 38.564 | 4.5°C to 425°C 1.0% to 2320°C |
Not Established | ||
| C* (W5) |
TUNGSTEN- 5% RHENIUM W-5% Re |
TUNGSTEN- 26% RHENIUM W-26% Re |
NONE ESTABLISHED |  |
0 to 2320°C (32 to 4208°F) Therm. Grade 0 to 870°C (32 to 1600°F) Ext. Grade |
0 to 37.066 | 4.5°C to 425°C 1.0% to 2320°C |
Not Established | ||
| D* (W3) |
TUNGSTEN- 3% RHENIUM W-3% Re |
TUNGSTEN- 25% RHENIUM W-25% Re |
NONE ESTABLISHED |  |
0 to 2320°C (32 to 4208°F) Therm. Grade 0 to 260°C (32 to 500°F) Ext. Grade |
0 to 39.506 | 4.5°C to 425°C 1.0% to 2320°C |
Not Established | ||
*Not Official Symbol or Standard ‡Extension Grade **ASTM Standard E230-87, 1992 Annual Book of ASTM Standards
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| ANSI CODE |
International IEC 584-3 |
International IEC 584-3 Intrinsically Safe |
CZECH BRITISH to BS 1843 |
NETHERLANDS GERMAN to DIN 43710 |
JAPANESE to JIS C 1610-1981 |
FRENCH to NFC 42-324 |
Comments Environment - Bare Wire |
|---|---|---|---|---|---|---|---|
| U* |  |
 |
 |
 |
 |
 |
Extension Grade Connecting Wire for R & S Thermocouples; Also Known as RX and SX Extension Wire |
| B | No Standard Use Copper Wire |
 |
|
No Standard Use Copper Wire |
Oxidising or Inert. Do Not Insert in Metal Tubes. Beware of Contamination. High Temperature. Common Use in Glass Industry | ||
| G* (W) |
No Standard Use American Color Codes |
Vacuum, Inert, Hydrogen. Beware of Embrittlement. Not Practical Below 399°C (750°F). Not for Oxidising Atmosphere | |||||
| C* (W5) |
No Standard Use American Color Codes |
Vacuum, Inert, Hydrogen. Beware of Embrittlement. Not Practical Below 399°C (750°F). Not for Oxidising Atmosphere | |||||
| D* (W3) |
No Standard Use American Color Codes |
Vacuum, Inert, Hydrogen. Beware of Embrittlement. Not Practical Below 399°C (750°F). Not for Oxidising Atmosphere | |||||
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