Furnace Wall Thermocouple
Furnace wall thermocouple designed for continuous monitoring of furnace lining temperatures in industrial heat treatment and metallurgical processes.

Application
Sheathed thermocouple is used as measuring element for furnace wall thermocouple which forms cable condition. Thermal connection point is fixed on stainless steel with different curves. It is used to surface temperature measurement in furnace pipe wall, furnace wall and other cylinder surfaces.
Main Technical Parameter
Accuracy Class:
- I
- lI
Nominal Pressure:
Normal Pressure
Bending Radius:
R≥5D
Type & Specification
| Type | Graduation | Temperature range (°C) | TRT | Measurement Type | Specification | |
|---|---|---|---|---|---|---|
| L | L1 | |||||
| WRNK-191M, WRNK2-191M, WRNT-11, WRNT2-11 | K | 0 ~ 800 | ≤2.5 | Insulation type | 1000, 2000, 3000, 4000, 5000, 6000, 8000, 10000, 15000 20000, 25000 | 1000, 2000, 3000, 4000, 5000, 6000, 8000, 10000, 15000 20000, 25000 |
| WREK-191M, WREK2-191M, WREK-11, WREK2-11 | E | 0 ~ 600 | ||||
Protection tube material is 1Cr18Ni9Ti, while other materials are ordered according to agreement
Installation Method & Size
Installation Method:
- It is directly welded on furnace wall
- M8 screw fastening
- Curve size R=29mm,R=100mm
Please remark the size of R when select type (diameter of furnace wall or tube wall)
Size:

- Welding