Quick Details:
Type: K/N/E/J/T/S/R/B
Place of Origin: Zhejiang, China (Mainland)
Accuracy: I-0.4%t, II-0.75%t, III-1.5%t
Core number: 2,3,4,6
Inorganic mineral insulating lead material: Ni, Cu
Insulator: 99.6% high purity MgO
Certificate:ISO9001, IATF16949, CE
Application: connecting with thermocouple and instrument machine
Sheath material: 0Cr18Ni10Ti, SS304S,SS316L,SS316, Cu
Sheath Dia(mm): φ3.0, φ4.0, φ6.0, φ8.0
Type for Sheath Wire Type K:
| Product Name | Code | Type | Shaeth Material | Outside Dia. | Temperature |
| NiCr-NiSi /NiCr-NiAl | KK | K | SS304 SS316 | 0.5-1.0 | 400 |
| 1.5-3.2 | 600 |
| 4.0-8.0 | 800 |
| SS310 Inconel600 | 0.5-1.0 | 500 |
| 1.5-3.2 | 800 |
| 4.0-6.4 | 900 |
| 8.0-12.7 | 1000 |
| NiCrSi-NiSi | NK | N | SS304 SS316 | 0.5-1.0 | 400 |
| 1.5-3.2 | 600 |
| 4.0-8.0 | 800 |
| SS310 Inconel600 | 0.5-1.0 | 500 |
| 1.5-3.2 | 800 |
| 4.0-6.4 | 900 |
| 8.0-12.7 | 1000 |
| NiCr-Konstantan | EK | E | SS304 SS316 | 0.5-1.0 | 400 |
| 1.5-3.2 | 600 |
| 4.0-8.0 | 800 |
| Fe-Konstantan | JK | J | SS304 SS316 | 0.5-1.0 | 400 |
| 1.5-3.2 | 600 |
| 4.0-8.0 | 800 |
| Cu-Konstantan | TK | T | SS304 SS316 | 0.5-1.0 | 400 |
| 1.5-3.2 | 600 |
| 4.0-8.0 | 800 |
| RhPt10-Ph | SK | S | Inconel600 | 6.0-12.7 | 1100 |
Different temperature measuring media and service conditions have
an impact on the service life and temperature range of armored
thermocouples, the data in the table is only recommended data.
Accuracy for Sheath Wire Type K
| Type | Class I | Class II |
| Accuracy | Temp.Range | Accuracy | Temp.Range |
| K | ±1.5℃ | -40~375℃ | ±2.5℃ | -40~375℃ |
| ±0.4% | 375℃-1000℃ | ±0.75% | 375℃-1000℃ |
| N | ±1.5℃ | -40~375℃ | ±2.5℃ | -40~375℃ |
| ±0.4% | 375℃-1000℃ | ±0.75% | 375℃-1000℃ |
| E | ±1.5℃ | -40~375℃ | ±2.5℃ | -40~375℃ |
| ±0.4% | 375℃-800℃ | ±0.75% | 375℃-800℃ |
| J | ±1.5℃ | -40~375℃ | ±2.5℃ | -40~375℃ |
| ±0.4% | 375℃-800℃ | ±0.75% | 375℃-800℃ |
| T | ±0.5℃ | -40~125℃ | ±1.0℃ | -40~125℃ |
| ±0.4% | 125℃-350℃ | ±0.75% | 125℃-350℃ |
| S | 0-1100℃ | ±1.0℃ | 0-1100℃ | ±1.5℃ |
About this product:
Applications
Industrial: Used in furnaces, kilns, gas turbines, and other
high-temperature applications.
HVAC: Employed in heating, ventilation, and air conditioning
systems for temperature control.
Automotive: Used in exhaust gas temperature measurements and engine
monitoring.
Food Industry: Monitors temperatures in cooking and processing
environments.
Advantages and Disadvantages
Advantages:
Wide temperature range.
Simple construction and robust design.
Fast response time and ease of use.
Disadvantages:
Limited accuracy compared to other sensors like RTDs.
Non-linear output requires compensation.
Susceptible to electromagnetic interference.
Safety and Handling
Thermal Shock: Avoid rapid temperature changes to prevent damage.
Corrosive Environments: Use appropriate materials to prevent
degradation.
Handling: Handle with care to avoid mechanical damage to junctions
and wires.
Maintenance
Regularly inspect and calibrate to ensure accurate readings.
Clean the junction area if contamination is suspected.
Conclusion
Thermocouples are versatile temperature sensors suitable for a wide
range of applications. Understanding their operation, types,
construction, and proper handling is crucial for effective use in
both industrial and laboratory settings.
Insulation:
Insulating materials (like ceramic or fiberglass) are often used to
protect the thermocouple wires from environmental influences and
prevent electrical interference.
Sheath:
A protective outer layer, typically made of stainless steel or
Inconel, encases the thermocouple to protect it from harsh
environments, mechanical damage, and chemical exposure.
Termination Head:
At the non-junction end, the thermocouple wires are connected to a
terminal block for easy attachment to measurement instruments.
Working Principle
The thermocouple operates based on the Seebeck effect, which states
that a voltage (thermoelectric voltage) is generated when there is
a temperature difference between the hot junction (where the two
metals meet) and the cold junction (reference point).
The voltage generated is measured in millivolts and is related to
the temperature difference between the junctions according to
specific calibration tables (NIST tables) for each type of
thermocouple.
Applications :
- Solid waste incinerators
- Sintering powdered metals
- Firing ceramic materials
- Gas or oil fired furnaces
- Fuel fired heat exchangers
- Box furnaces
- Nuclear or hydrocarbon based energy plants
- And many more...
Product Pictures:
Company Information:
A. Main Products
B. Package
We add heat shrink tubing and plastic film to make sure high
insulated resistance.
Except marking notes, we also have pass card and test report for
every coil cable.
C. Mi cable Production line
We have high - quality professional products, as well as advanced
product lines and equipments. All of the products comply with
international quality standards and are greatly appreciated in a
variety of different markets throughout the world.Along the
increasing market demands, we continuously satisfy customers by
updating products to improve prouduction systems, improve quality.
Order Notice:
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3. LEADKIN sales send the Proforma Invoice with LEADKIN seal.
4. Customer arranges the payment for deposit and sends us bank
slip.
5. Middle Production-send photos to show the production line which
you can see your products in . Confirm the estimated delivery time
again.
6. End Production-Mass production products photos.
7. Clients make payment for balance and LEADKIN ships the goods.
Inform the tracking number and check the status for clients.
8. The order is finished perfectly when you receive the goods and
get satisfied with them .
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Suggestion. And we will do better .
