High Accuracy Mineral Insulated Metal Sheathed Cable
Premium Thermocouple Cable for High Temperature Environments
This mineral insulated metal sheathed cable features customizable lengths and carries ISO9001 certification for quality assurance.
Key Specifications
- Types Available: K/N/E/J/T/S/R/B
- Accuracy Levels: I-0.4%t, II-0.75%t, III-1.5%t
- Core Configurations: 2,3,4,6
- Inorganic Mineral Insulation: 99.6% high purity MgO
- Lead Materials: Nickel (Ni), Copper (Cu)
- Certifications: ISO9001, IATF16949, CE
- Primary Application: Connection between thermocouples and instrument machines
Sheath Material Options
Available in 0Cr18Ni10Ti, SS304S, SS316L, SS316, and Copper (Cu) with diameters ranging from φ3.0mm to φ8.0mm.
Sheath Wire Type Specifications
| Product Name |
Code |
Type |
Sheath Material |
Outside Dia. |
Temperature |
| NiCr-NiSi /NiCr-NiAl |
KK |
K |
SS304 SS316 |
0.5-1.0 |
400 |
| SS304 SS316 |
1.5-3.2 |
600 |
| SS304 SS316 |
4.0-8.0 |
800 |
| SS310 Inconel600 |
0.5-1.0 |
500 |
| SS310 Inconel600 |
1.5-3.2 |
800 |
| SS310 Inconel600 |
4.0-6.4 |
900 |
Note: Service conditions and temperature measuring media may affect service life and temperature range. Table data is for reference only.
Accuracy Specifications
| Type |
Class I |
Class II |
| K |
±1.5℃ (-40~375℃) ±0.4% (375℃-1000℃) |
±2.5℃ (-40~375℃) ±0.75% (375℃-1000℃) |
| N |
±1.5℃ (-40~375℃) ±0.4% (375℃-1000℃) |
±2.5℃ (-40~375℃) ±0.75% (375℃-1000℃) |
Product Overview
Our thermocouple temperature probe utilizes the thermoelectric effect for precise temperature measurement. The system consists of two different metal wires joined at one end, generating voltage corresponding to temperature differences.
Construction Details
- Conductive Wires: Two different metals (typically copper, nickel, chromel, alumel)
- Measuring Junction: Connection point between wires attached to measuring device
- High-Temp Insulation: Ceramic or fiberglass materials
- Protective Sheath: Durable metal or ceramic casing
Working Principle
- Seebeck Effect: Temperature gradient creates thermoelectric voltage
- Precise Measurement: Voltage converted to temperature via calibration
- Enhanced Protection: Metal sheath and mineral insulation prevent EMI/RFI interference and corrosion
Industrial Applications
- Solid waste incineration systems
- Metal sintering processes
- Ceramic firing operations
- Gas/oil fired furnace monitoring
- Heat exchanger systems
- Box furnace temperature control
- Energy plant instrumentation
Product Images
Packaging & Shipping
Each cable coil is protected with heat shrink tubing and plastic film to maintain insulation integrity. All shipments include marking notes, pass cards, and test reports.
Order Process
- Request detailed quotation
- Confirm pricing, terms, and lead time
- Receive official Proforma Invoice
- Submit deposit payment
- Receive production progress photos
- Review mass production documentation
- Complete balance payment
- Confirm satisfactory product receipt
- Provide quality feedback
Frequently Asked Questions
What are the advantages of using thermocouples?
Thermocouples offer wide temperature range capability, rapid response times, rugged construction, cost-effectiveness, and reliability in extreme conditions.
What are the disadvantages of thermocouples?
Potential limitations include non-linear output requiring calibration, slightly lower accuracy compared to some alternatives, need for reference junction compensation, and sensitivity to electromagnetic interference.