Garantta Stainless Steel K Type Thermocouple are surface‑mount temperature sensors designed for solid‑surface temperature measurement. The sensing junction is welded directly onto an O‑shaped ring terminal, which can be fastened onto flat or curved metal surfaces by bolts or screws. Thanks to compact profile and flexible cable construction, these sensors fit perfectly inside confined equipment spaces. Two cable versions are available: stainless steel braided sleeve for higher temperature up to 250℃ and silicone insulated cable for 200℃ max.
Core Features & Benefit
- O‑Ring Terminal Mounting: Easy bolt‑on installation; reusable after loosening screws for relocation or maintenance, reducing spare‑part cost.
- Two Cable Options: Stainless steel braided cable (0‑250℃ continuous) for abrasion‑resistant environments; silicone‑jacketed cable (0‑200℃ continuous) for high‑flexibility needs.
- Compact & Flexible: Small sensing assembly allows installation in narrow gaps of machinery and equipment.
- Standard K‑Type Calibration: Good linear thermoelectric output, high sensitivity, compliant with IEC 60584 K‑type thermocouple standard.
- Ready‑to‑use Termination: Pre‑fitted SV fork terminals for fast wiring to temperature controllers.
- Customizable: Custom cable length, terminal hole size and special wiring upon request.
Typical Application
- Mold & hot‑plate surface temperature monitoring
- Heating equipment, oven cabinet surface temperature sensing
- Automation machinery surface temperature test
- Packaging, food machinery surface thermal inspection
- General‑purpose industrial solid‑body temperature acquisition


FAQ
Q1: Why my ring‑terminal thermocouple shows large temperature deviation?
A: Common reasons:
(1) Loose mounting, insufficient thermal contact between ring terminal and measured surface;
(2) Missing cold‑junction compensation from instrument side;
(3) Thermocouple wire aging under high‑temperature long‑time operation;
(4) Wrong polarity wiring. Check above points for troubleshooting.
Q2: Can I customize cable length or terminal hole size?
A: Yes. We support custom cable length, M3/M4/M6/M8 ring‑terminal hole sizes, special connectors instead of fork terminals for volume orders.
Q3: Can this Stainless Steel K Type Thermocouple work in water or humid environment?
A: It is not waterproof. The junction and cable are not sealed for liquid immersion. It can only be used in dry or non-condensing humid air. For wet applications, please select our waterproof temperature sensor series.
Q4: What is the maximum bend radius for the sensor cable?
A: For silicone cable, the minimum bend radius is 6 times the cable outer diameter. For stainless steel braided cable, keep the bend radius ≥10× cable OD. Avoid repeated sharp bending to prevent internal thermocouple wire breakage.
Q6: Does this sensor support high vibration working conditions?
A: Yes. The welded junction + integrated ring-terminal structure provides strong shock and vibration resistance. Stainless steel braided cable further improves mechanical stability for workshop continuous operation.
Q7: Can I replace or reuse the thermocouple after disassembly?
A: Yes. The bolt-on mounting design is fully reusable. After cleaning the terminal contact surface, it can be reinstalled on new equipment without performance loss.
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K-type thermocouple specifications
| Model | Products Name | Wire material | Line skin | Wire diameter (MM) |
Wire core specifications | length (MM) |
Graduation mark | Actual application temperature (℃) |
thermal conductor | Thermal conductor material | Thermal conductor size (MM) |
Nut material | Thread | Nut size | Connection terminal | Connection terminal size (MM) |
Spring material | Spring size (outer diameter * length MM) |
Insulated/non-insulated |
| TS-D4-05 | Terminal type K-type thermocouple | KX nickel chromium nickel silicon | stainless steel braided | 2*3 | 7*0.2 | 500 | K | 0-250 | RNB round terminal | Tinned copper | 17.7*8.0/4.3*1.0 | Red and blue SV fork | 20*6.5/4.3*0.5 | spring steel | 6*50 | non-insulated | |||
| TS-D4-10 | Terminal type K-type thermocouple | KX nickel chromium nickel silicon | stainless steel braided | 2*3 | 7*0.2 | 1000 | K | 0-250 | RNB round terminal | Tinned copper | 17.7*8.0/4.3*1.0 | Red and blue SV fork | 20*6.5/4.3*0.5 | spring steel | 6*50 | non-insulated | |||
| TS-D4-15 | Terminal type K-type thermocouple | KX nickel chromium nickel silicon | stainless steel braided | 2*3 | 7*0.2 | 1500 | K | 0-250 | RNB round terminal | Tinned copper | 17.7*8.0/4.3*1.0 | Red and blue SV fork | 20*6.5/4.3*0.5 | spring steel | 6*50 | non-insulated | |||
| TS-D4-20 | Terminal type K-type thermocouple | KX nickel chromium nickel silicon | stainless steel braided | 2*3 | 7*0.2 | 2000 | K | 0-250 | RNB round terminal | Tinned copper | 17.7*8.0/4.3*1.0 | Red and blue SV fork | 20*6.5/4.3*0.5 | spring steel | 6*50 | non-insulated | |||
| TS-D6-05 | Terminal type K-type thermocouple | KX nickel chromium nickel silicon | stainless steelbraided | 2*3 | 7*0.2 | 500 | K | 0-250 | RNB round terminal | Tinned copper | 21.4*12.0/6.5*1.0 | Red and blue SV fork | 20*6.5/4.3*0.5 | spring steel | 6*50 | non-insulated | |||
| TS-D6-10 | Terminal type K-type thermocouple | KX nickel chromium nickel silicon | stainless steel braided | 2*3 | 7*0.2 | 1000 | K | 0-250 | RNB round terminal | Tinned copper | 21.4*12.0/6.5*1.0 | Red and blue SV fork | 20*6.5/4.3*0.5 | spring steel | 6*50 | non-insulated | |||
| TS-D6-15 | Terminal type K-type thermocouple | KX nickel chromium nickel silicon | stainless steel braided | 2*3 | 7*0.2 | 1500 | K | 0-250 | RNB round terminal | Tinned copper | 21.4*12.0/6.5*1.0 | Red and blue SV fork | 20*6.5/4.3*0.5 | spring steel | 6*50 | non-insulated | |||
| TS-D6-20 | Terminal type K-type thermocouple | KX nickel chromium nickel silicon | stainless steel braided | 2*3 | 7*0.2 | 2000 | K | 0-250 | RNB round terminal | Tinned copper | 21.4*12.0/6.5*1.0 | Red and blue SV fork | 20*6.5/4.3*0.5 | spring steel | 6*50 | non-insulated | |||
| TR-D4-05 | Terminal type K-type thermocouple | KX nickel chromium nickel silicon | Silica gel | 3 | 7*0.2 | 500 | K | 0-200 | RNB round terminal | Tinned copper | 17.7*8.0/4.3*1.0 | Red and blue SV fork | 20*6.5/4.3*0.5 | spring steel | 6*50 | non-insulated | |||
| TR-D4-10 | Terminal type K-type thermocouple | KX nickel chromium nickel silicon | Silica gel | 3 | 7*0.2 | 1000 | K | 0-200 | RNB round terminal | Tinned copper | 17.7*8.0/4.3*1.0 | Red and blue SV fork | 20*6.5/4.3*0.5 | spring steel | 6*50 | non-insulated | |||
| TR-D4-15 | Terminal type K-type thermocouple | KX nickel chromium nickel silicon | Silica gel | 3 | 7*0.2 | 1500 | K | 0-200 | RNB round terminal | Tinned copper | 17.7*8.0/4.3*1.0 | Red and blue SV fork | 20*6.5/4.3*0.5 | spring steel | 6*50 | non-insulated | |||
| TR-D4-20 | Terminal type K-type thermocouple | KX nickel chromium nickel silicon | Silica gel | 3 | 7*0.2 | 2000 | K | 0-200 | RNB round terminal | Tinned copper | 17.7*8.0/4.3*1.0 | Red and blue SV fork | 20*6.5/4.3*0.5 | spring steel | 6*50 | non-insulated | |||
| TR-D6-05 | Terminal type K-type thermocouple | KX nickel chromium nickel silicon | Silica gel | 3 | 7*0.2 | 500 | K | 0-200 | RNB round terminal | Tinned copper | 21.4*12.0/6.5*1.0 | Red and blue SV fork | 20*6.5/4.3*0.5 | spring steel | 6*50 | non-insulated | |||
| TR-D6-10 | Terminal type K-type thermocouple | KX nickel chromium nickel silicon | Silica gel | 3 | 7*0.2 | 1000 | K | 0-200 | RNB round terminal | Tinned copper | 21.4*12.0/6.5*1.0 | Red and blue SV fork | 20*6.5/4.3*0.5 | spring steel | 6*50 | non-insulated | |||
| TR-D6-15 | Terminal type K-type thermocouple | KX nickel chromium nickel silicon | Silica gel | 3 | 7*0.2 | 1500 | K | 0-200 | RNB round terminal | Tinned copper | 21.4*12.0/6.5*1.0 | Red and blue SV fork | 20*6.5/4.3*0.5 | spring steel | 6*50 | non-insulated | |||
| TR-D6-20 | Terminal type K-type thermocouple | KX nickel chromium nickel silicon | Silica gel | 3 | 7*0.2 | 2000 | K | 0-200 | RNB round terminal | Tinned copper | 21.4*12.0/6.5*1.0 | Red and blue SV fork | 20*6.5/4.3*0.5 | spring steel | 6*50 | non-insulated |







