A solid drilled outer tube provides a thick protective layer. Nitrogen or argon circulates between the thermocouple and outer tube to reduce the entry of reducing gases into the sensing element at high temperature. Choose an aluminum water-resistant head or a large dust-protective head.
| Model family | Element | Operating range | Accuracy class | Gas inlet pressure | Purge gas | Protective tube |
|---|---|---|---|---|---|---|
| WRKT-□□□Q | K | 0-1100°C | II | 0.1MPa | Nitrogen or argon | GH3030 |
| WRST-□□□Q | S | 0-1300°C | ||||
| WRRT-□□□Q | R |
| Mount code | Process mounting | Outer diameter | Total and insertion lengths |
|---|---|---|---|
| 0 | Cylindrical sleeve | 16-30mm | User-specified |
| 1 | No fixed mounting | ||
| 2 | Threaded connection; M27x2 or M33x2 | ||
| 4 | Fixed flange; flange specification selected by user |
Single-element electrical entry is M20x1.5 for 10mm cable; dual-element entry is M24x1.5 for 16mm cable. Dual measuring elements and other dimensions are available.
