Wear-Resistant Assembly Thermocouple
Wear-Resistant Thermocouple Features
- 24-weave abrasion-resistant braided sheath protects the probe from particle impact and friction.
- Armored sensing construction provides good vibration and impact resistance.
- Fixed insertion depth provides stable installation without probe movement.
- Threaded and flange mounting options are available for industrial equipment.
- Straight probes are standard, with L-type right-angle versions available by custom order.
Applications
Wear-resistant assembly thermocouples are suitable for temperature measurement where probes are exposed to abrasive particles, powder, granules, or continuous mechanical wear.
- Fluidized-bed equipment
- Powder silos
- Granule drying equipment
- Ore and particle conveying pipelines
- Metallurgical sintering equipment
- Building materials processing
- High-abrasion industrial temperature monitoring

Thermocouple Types
K, J, T, E, and N types are available as standard. S, R, and B types are available by custom order.
For help comparing different thermocouple types, see our thermocouple selection guide.
Probe and Mounting Specifications
| Item | Available Options |
|---|---|
| Inner Probe Diameter | Φ3, Φ4, Φ5, Φ6, Φ8 mm |
| Probe Insert Length | 50–800 mm; custom lengths available |
| Mounting Type | Threaded / Flange |
| Thread | M16×1.5, M20×1.5, M27×2; other threads custom |
| Flange | DN25 / DN40 / DN50; ANSI B16.5 custom available |
| Outer Protection | 24-weave abrasion-resistant alloy braided sheath |
Sheath Materials and Connections
| Item | Options |
|---|---|
| Inner Sheath | SS304 / SS316 / Inconel 600 |
| Outer Layer | 24-weave high-temperature abrasion-resistant alloy braid |
| Connection | Flying leads; standard or explosion-proof junction box optional |
| Lead Length | 1000 mm standard; custom length available |
| Junction | Grounded standard; ungrounded optional |
Temperature Range
| Type | Temperature Range |
|---|---|
| Type K | -200°C to 1260°C |
| Type J | -40°C to 750°C |
| Type T | -200°C to 350°C |
| Type E | -200°C to 800°C |
| Type N | -200°C to 1300°C |
The 24-weave abrasion-resistant outer sheath is rated up to 800°C. Actual operating temperature depends on thermocouple type, sheath material, installation conditions, and service environment.
Standard Stock Sizes
| Inner Probe Diameter | Probe Insert Length | Mounting Type | Inner Sheath Material |
|---|---|---|---|
| Φ3 mm | 50–500 mm | Thread / Flange | SS304 / SS316 |
| Φ4 mm | 50–600 mm | Thread / Flange | SS304 / SS316 / Inconel 600 |
| Φ5 mm | 50–600 mm | Thread / Flange | SS304 / SS316 / Inconel 600 |
| Φ6 mm | 50–800 mm | Thread / Flange | SS304 / SS316 / Inconel 600 |
| Φ8 mm | 100–800 mm | Thread / Flange | SS304 / SS316 / Inconel 600 |
Note: Probe lengths can be cut within the listed stock ranges. Longer or non-standard sizes are custom-made. Straight probes are standard; L-type right-angle probes are available by custom order.
Installation and Selection
The threaded version is installed into a suitable equipment port, while the flange version is secured with bolts. The insertion depth is fixed after assembly. Keep the braided protective layer away from sharp edges and moving parts that could damage the sheath.
Thermocouple Accuracy
Manufactured according to IEC 60584-1. Class 2 is standard, while Class 1 accuracy is available on request.
Related Assembly Thermocouples
For a fixed flange-mounted configuration, see our Flange Mounted Assembly Thermocouple.
Related Thermocouple Products
Request OEM Support
For OEM or replacement requirements, provide the thermocouple type, probe diameter, insertion length, sheath material, mounting type, thread or flange size, and application conditions. Drawings, photos, and existing samples are welcome.
Amy – Sales
Email:
Amy-Easewise@tzheater.com
WhatsApp:
+86 188 8318 8154
Hanna – Sales
Email:
Hanna-Easewise@tzheater.com
WhatsApp:
+86 173 5163 6811
Custom wear-resistant assembly thermocouples are available for OEM, replacement, and high-abrasion industrial applications.





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