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Thermocouple Temperature Sensor (K/J/T/E/N Type)
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Product Overview
Our Industrial Thermocouple Temperature Sensors are manufactured to IEC 60584 standards and cover the widest operating temperature range of any contact temperature sensor technology — from −200°C to +1300°C depending on thermocouple type. Each sensor is available as a mineral-insulated (MI) cable assembly or as a rigid protection tube assembly, with a range of thermocouple types (K, J, T, E, N, R, S) to match your specific temperature range and media compatibility requirements. Optional integrated 4-20mA transmitter heads convert the millivolt output directly to the universal industrial signal, eliminating the need for separate signal conditioning at the control room.
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Technical Specification Sheet
| Parameter | Detail |
|---|---|
| Thermocouple Types | K, J, T, E, N (base metal); R, S, B (noble metal, on request) |
| Temperature Range | Type K: −200°C to +1300°C; Type J: −40°C to +750°C; Type T: −200°C to +350°C |
| Accuracy Class | Class 1 (±1.5°C or ±0.4%) or Class 2 (±2.5°C or ±0.75%) per IEC 60584 |
| Construction | MI (Mineral Insulated) or Rigid Protection Tube |
| Sheath/Tube Material | SS 304, SS 316L, Inconel 600 (high temp), SiC (extreme temp) |
| Sheath Diameter | 3 mm, 4.5 mm, 6 mm, 8 mm (MI cable) |
| Output | Thermocouple mV (standard) or 4-20mA (with integrated transmitter) |
| Explosion Protection | Optional Ex ia or Ex d certified head |
Key Features
- Broadest temperature range of any contact sensor — Type K covers −200°C to +1300°C in a single sensor family.
- Mineral-insulated (MI) construction provides excellent vibration, moisture, and mechanical shock resistance.
- Optional integrated 2-wire 4-20mA transmitter head for direct DCS/PLC connection without separate signal conditioners.
Typical Use Cases
- Industrial Furnaces & Kilns: High-temperature process monitoring up to 1300°C with Type K or N sensors.
- Steel & Metallurgy: Molten metal and heat treatment furnace temperature measurement.
- Petrochemical Reactors: Multi-point temperature profiling in catalytic cracking and reforming units.
- Gas Turbines: Exhaust gas temperature (EGT) monitoring with high-accuracy noble metal types.
- Food Processing: Type T or J for low-temperature refrigeration and freezing process monitoring.
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Thermocouple Temperature Sensor (K/J/T/E/N Type) Manufacturers
Wuxi Huihua Special Instrumentation Co., Ltd. was established in December 2001, the registered capital is 5 million yuan, the existing staff of more than 50 small and medium-sized joint-stock enterprises.
The company specialises in the production of various types of special instruments, alternative to the localisation of imported instruments.To seismic pressure gauge, seismic electric contact pressure gauge, stainless steel pressure gauge, diaphragm corrosion-resistant pressure gauge, marine pressure gauge and other series as the main products. On the basis of field instruments, we have developed various kinds of pressure transmitters, pressure controllers, digital pressure gauges and so on. There are more than 30 series and 3000 specifications. Products are widely used in petroleum, chemical, paper, metallurgy, mining, chemical fibre, electric power, food, environmental protection, rubber and plastic, hydraulics and many other industries, and more than 2,000 domestic customers to establish a friendly relationship with the national large and medium-sized enterprises to establish a good partnership, won the majority of users praise, and set up a corporate brand image.
