For over 20 years, Yancheng Hongtai Alloy Electric Apparatus Co., Ltd. has focused on crafting heating and temperature-sensing components that balance precision, durability, and practicality. Our Type K Thermocouple is a testament to this commitment-designed to meet the diverse needs of global industries, from high-temperature furnaces to cryogenic storage, while staying true to the reliability that has made Hongtai a trusted name in heating elements.
Key Specifications: Built for Real-World Use
We design our Type K Thermocouple to fit your workflow, not the other way around. Below are the core specs, with customization options to match your specific needs:
| Specifications | |||
|
Model NO. |
Temperature Controller K Type Thermocouple |
Output Signal Type |
Digital Type |
|
Measuring Medium |
Temperature |
Material |
Metal |
|
Certification |
RoHS,CE |
IP Rating |
IP68 |
|
Name |
Temperature Controller K Type Thermocouple |
Customized |
OEM, ODM, OBM |
|
Thermocouple Head |
2 Pin 3 Pin |
Thread |
1/4" 5/16" M4 M5 M6 M8 M12 fixed or flexible |
|
Lead Wire |
Braid, Glass Fiber, PVC, Silicone, PTFE |
Probe Diameter |
0.5mm to 10mm |
|
Measuring Junction |
Ungrounded, Grounded, Exposed |
Plug |
Mini and Standard |
|
MOQ |
10 |
Max Temperature |
1200 Degree |
|
Transport Package |
Export Carton and Wooden Case |
Brand |
Hongtai |
|
Trademark |
Hongtai |
Origin |
Yancheng, China |
|
HS Code |
9025191000 |
Production Capacity |
1, 000 PCS/Week |
All our Type K Thermocouples are CE, RoHS, and ISO 9001 certified-we provide full test reports (including voltage-temperature calibration data) with every order, so you can verify performance upfront.
| Parameter | Hongtai Standard K Type | Customizable Options |
|---|---|---|
| Temperature Range | -40°C to 1,200°C (-40°F to 2,192°F) continuous; up to 1,370°C (2,500°F) short-term (bare wire) | Adjusted ranges for specialized use (e.g., -50°C to 800°C for food processing) |
| Sheath Material | 304 stainless steel (standard), 316L stainless steel (corrosion-resistant), Inconel 600 (high-temperature) | Ceramic sheaths for extreme heat (up to 1,600°C) or Alloy 160 HR for chemical resistance |
| Accuracy | ±2.5°C or ±0.75% of reading (whichever is greater) | Special Limits of Error (SLE) version: ±1.5°C or ±0.25% of reading (for precision needs) |
| Sensitivity | ~41 µV/°C | Consistent across the entire temperature range (tested in-house for linearity) |
| Insulation | High-density magnesium oxide (MgO) powder | Food-grade insulation for FDA-compliant applications (e.g., bakery ovens) |
| Installation Type | Threaded, flanged, or bare (standard) | Custom lengths (0.5m to 10m) and mounting brackets for tight spaces |
Why Choose Hongtai's Type K Thermocouple?
We know you have options when it comes to temperature sensors. Here's what makes ours stand out, based on feedback from 3,000+ global customers (including manufacturers in North America, Europe, and Southeast Asia):
1. Durability That Outlasts The Competition
- Sheath Strength: Our 316L stainless steel sheaths undergo a salt spray test with no rust or corrosion-critical for chemical plants or coastal facilities. For high-heat applications, Inconel 600 sheaths resist oxidation, extending service life by 30% compared to generic thermocouples.
- Wear Resistance: The hot junction is coated with a thin, heat-resistant layer (optional for harsh environments) that prevents damage from dust, debris, or minor impacts-ideal for metalworking or cement kilns.
2. Flexibility For Every Industry
We don't offer a "one-size-fits-all" solution. Instead, we tailor our Type K Thermocouple to your sector:
- Industrial Furnaces: Inconel 600 sheaths and fast-response hot junctions for real-time temperature monitoring during heat treatment.
- Food Processing: 304 stainless steel + food-grade insulation, compliant with FDA and EU 10/2011 standards for ovens or cold storage.
- Chemical Plants: 316L sheaths with sealed Junction box (IP67 rating) to resist acid/alkali exposure.
- Laboratories: SLE accuracy version with ultra-thin wires (0.5mm diameter) for precise, non-intrusive measurements.
3. Practical Design For Easy Use
- Junction box Convenience: Our IP65/IP67-rated junction box features clear labeling (positive/negative terminals) and tool-free access-no need to disassemble the entire unit for wiring or maintenance.
- Compatibility: Works seamlessly with most temperature controllers, PLCs, and data loggers (we provide a compatibility guide for common brands).
- Fast Delivery: Standard models ship within 5–7 business days; custom orders take 7–15 days (faster than the industry average of 20 days).
4. Transparent Quality Assurance
- Every Type K Thermocouple goes through in-house tests before shipping:
- Raw material purity check (alloy wires)
- Weld strength testing (hot junction)
- Insulation resistance measurement (MgO powder)
- Temperature cycling test (-40°C to 1,200°C cycles)
- Accuracy calibration (against standards)
- Sheath corrosion resistance (salt spray test)
- Voltage stability (72-hour high-temperature run)
- Packaging integrity (shock and moisture resistance)
We share these test results with you-no hidden specs or vague claims.
Common Applications
Our Type K Thermocouple is trusted in industries where reliable temperature data is make-or-break:
- Industrial furnaces, kilns, and ovens (heat treatment, glass manufacturing)
- Power plants (boiler pipe temperature monitoring)
- Chemical/petrochemical processing (reaction kettle temperature control)
- Metal melting and casting (foundries)
- Food processing (bakeries, sterilization equipment, cold storage)
- Scientific research (laboratory incubators, cryogenic studies)
- HVAC systems (commercial building temperature regulation)
FAQs:
Q: Can This Thermocouple Be Used In Reducing Atmospheres (E.G., Hydrogen-Rich Environments)?
A: Standard models are optimized for oxidizing or inert atmospheres. For reducing environments, we offer a specialized coating (alumina-based) that protects the alloy wires-just let us know your application, and we'll recommend the right version.
Q: How Do I Ensure Accurate Cold Junction Compensation?
A: Our thermocouples work with most external cold junction compensators. For added convenience, we also offer a integrated version (with a built-in compensation chip) that eliminates the need for extra equipment.
Q: What's The Warranty Period?
A: We offer an 12-month warranty on all Type K Thermocouples. If a unit fails due to manufacturing defects (not misuse), we'll replace it free of charge-no hassle, no long claim processes.
Get In Touch
Whether you need a standard Type K Thermocouple or a fully customized solution, Hongtai's team is here to help. Our technical support team responds within 3 hours (on average) to questions.
Email: Sales@heaterfactory.com
Phone: +86 13305101838
Website: www.heaterfactory.com
At Hongtai, we don't just sell thermocouples-we provide temperature-sensing solutions that keep your operations running smoothly. Let's build something reliable together.
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