Platinum 24 ga. (0.020″) thermocouple elements have welded junctions. Insulators are round double bore alumina or mullite. Alumina is recommended material for use with Platinum Thermocouples. Available in lengths from 12″, in 6″ increments.
Example:
R-97-187-3-24-X
Description:
Type R 24GA. (0.020″) Thermocouple
997 Alumina Insulator, 3/16 O.D. w/Collar
Exposed Junction
| INSULATOR TYPE | PART NUMBER | |
|---|---|---|
| MATERIAL | SIZE O.D. | (see Tables A, B, C, and D below) |
| Mullite 60 | 1/8 | A-60-125-B-C-X |
| 3/16 | A-60-187-B-C-D | |
| 1/4 | A-60-250-B-C-D | |
| Alumina 997 | 1/8 | A-97-125-B-C-X |
| 3/16 | A-97-187-B-C-D | |
| 1/4 | A-97-250-B-C-D | |
| Alumina 998 | 1/8 | A-98-125-B-C-X |
| 3/16 | A-98-187-B-C-D | |
| 1/4 | A-98-250-B-C-D | |
| NONE (Bare Element) | N/A | A-00-24(020)-1-C-X |
All platinum thermocouples utilize 24ga. (0.020″) wire unless otherwise specified.
Table A
| THERMOCOUPLE TYPE ITS-90/IPTS-68 | ORDER CODE | |
|---|---|---|
| Single Element | Dual Element1 | |
| Pt13%Rh vs Pt | R | R2 |
| Pt10%Rh vs Pt | S | S2 |
| Pt30%Rh vs Pt6%Rh | B | B2 |
| THERMOCOUPLE TYPE IPTS-48 | ORDER CODE | |
| Single Element | Dual Element1 | |
| Pt13%Rh vs Pt | 4R | 4R2 |
| Pt10%Rh vs Pt | 4S | 4S2 |
1 Dual Element is not available in 1/8 OD and does not apply to bare elements.
Table B - Termination Options
| TABLE B - TERMINATION OPTIONS | |
|---|---|
| Order Code | Description |
| 1 | 1" Bare Leads |
| 2 | Ball & Socket Insulators |
| 3 | Ball & Socket Insulators w/Collar |
| 4 | Ball & Socket Insulators w/Sleeve |
| 5 | Ball & Socket Insulators w/Collar and Sleeves |
| 2SPC | 2-Pole Plug and Tube Adapter |
Table C – Element Length
Available from 12″ to 48″ in 1″ increments for longer lengths, Please contact us.
Table D - Junction Options
| Order Code | Description |
|---|---|
| X | Exposed |
| U | Recessed1 |
1 Recessed available in 3/16 and 1/4 OD only