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Ceramic sheath thermocouple with connection box

The TC-K8 is a high-performance K-type thermocouple temperature sensor engineered for accuracy and durability in demanding high-temperature environments. Its defining feature is a robust ceramic sheath that provides exceptional resistance to thermal shock, chemical corrosion, and oxidation at elevated temperatures — making it the preferred choice for industrial processes such as kiln firing, furnace monitoring, and heat treatment operations.

The sensor consists of two distinct probe sections: a stainless steel section that connects to the connection box, and a ceramic section that extends into the high-temperature measurement zone. This dual-material construction combines the mechanical strength and machinability of stainless steel with the superior thermal stability and chemical inertness of advanced ceramic materials.

The integrated die-cast aluminum connection box provides a secure, weatherproof enclosure for the thermocouple terminals, protecting electrical connections from moisture, dust, and mechanical interference. Both the probe diameter and probe length of each section are fully customizable, enabling precise adaptation to virtually any industrial installation geometry. As part of the PIDMaxWell range of temperature measurement solutions, the TC-K8 is designed to integrate seamlessly with PID temperature controllers, temperature transmitters, and data acquisition systems.

  • Brand:

    PIDMaxWell
  • Item no.:

    TC-K8/J8
  • Payment:

    T.T, Credit Card, Paypal etc, to be negotiate
  • Market price:

    $8
  • Price:

    $10
  • Product origin:

    Made in China
  • Color:

    Silver, blue
  • Min order:

    10 PCS
  • Product weight:

    0.4kg
  • Lead Time:

    14 days after payment confirmed

Key Features

 

Ceramic Sheath Construction

The ceramic probe sheath offers outstanding resistance to high temperatures, thermal shock, and chemical attack, ensuring long service life in aggressive industrial environments.

 

Dual-Section Probe Design

A stainless steel section provides robust mechanical attachment at the connection box, while the ceramic section penetrates the high-temperature measurement zone for accurate and stable readings.

 

Fully Customizable Dimensions

Both the stainless steel and ceramic probe sections can be specified in diameters of 4 mm, 5 mm, or 8 mm, with lengths tailored to the exact requirements of the installation.

 

Die-Cast Aluminum Connection Box

The rugged connection box protects thermocouple terminals from environmental exposure, simplifying field wiring and ensuring reliable electrical connections.

 

Grounded or Ungrounded Junction

Available in grounded (GD) or ungrounded (UG) junction configurations to suit different measurement requirements and electrical isolation needs.

 

K-Type Thermocouple

Utilizes a standard K-type (Chromel-Alumel) thermocouple element, offering a wide temperature measurement range and broad compatibility with industrial instrumentation.

 

Technical Specifications

The following table summarizes the key technical parameters of the TC-K8 ceramic sheath thermocouple.

Custom configurations are available; please contact PIDMaxWell for non-standard requirements.

 

Parameter

Value

Model Number TC-K8
Thermocouple Type K-Type (Chromel-Alumel)
Temperature Range Up to 1200°C (depending on ceramic sheath material and configuration)
Probe Sheath Material Ceramic (high-purity alumina)
Stainless Steel Part Diameter 4 mm, 5 mm, 8 mm (customizable)
Stainless Steel Part Length 30 mm, 50 mm (customizable)
Ceramic Part Diameter 4 mm, 5 mm, 8 mm (customizable)
Ceramic Part Length 50 mm, 100 mm (customizable)
Junction Type Grounded (GD) or Ungrounded (UG)
Screw Fittings None (N) — other options available
Lead Wire None (N) — other options available
Connection / Termination Connection Box (CB) — die-cast aluminum
Output Signal Thermocouple EMF (millivolt)
Compliance IEC 60584 / ANSI MC96.1 K-type thermocouple standard

 

The TC-K8 ordering code is structured to allow full customization of the sensor configuration. Each position in the code corresponds to a specific parameter. Standard options are listed below; however, custom dimensions and configurations are available upon request. For the J-type variant, replace 'TC-K8' with 'TC-J8' in the ordering code.

Click on below link to download catalog, user manual for TC-K8/TC-J8

Potential Applications

The TC-K8 ceramic sheath thermocouple is designed for industrial processes where conventional metallic sheath sensors would be compromised by extreme temperatures, corrosive atmospheres, or abrasive conditions. Its ceramic sheath provides the chemical inertness and thermal stability required for reliable, long-term operation in the following application areas:

Ceramic and Glass Kilns The TC-K8 is ideally suited for monitoring firing temperatures in ceramic and glass kilns, where temperatures can exceed 1000°C and the atmosphere may contain corrosive gases. The ceramic sheath withstands these conditions without degradation, ensuring accurate and consistent temperature readings throughout the firing cycle.
Industrial Furnaces and Heat Treatment In metal heat treatment processes — including annealing, hardening, tempering, and sintering — precise temperature control is critical to achieving the desired material properties. The TC-K8 provides reliable temperature feedback for furnace control systems, supporting consistent and repeatable heat treatment outcomes.

Foundries and Metal Smelting

Temperature monitoring in foundry operations, including molten metal handling and casting processes, demands sensors capable of withstanding intense radiant heat and thermal cycling. The TC-K8 is engineered to perform reliably in these demanding conditions.

Incinerators and Waste-to-Energy Plants

Combustion chamber temperature monitoring in incinerators and waste-to-energy facilities requires sensors that can endure high temperatures and corrosive combustion gases. The ceramic sheath provides the necessary chemical resistance for stable, long-term operation.

Power Generation

In power generation facilities, including coal-fired and biomass power plants, the TC-K8 can be used to monitor temperatures in boilers, flue gas systems, and other high-temperature zones, contributing to efficient and safe plant operation.

Laboratory and Research Applications

Research and development laboratories requiring precise high-temperature measurement in controlled or experimental environments can benefit from the TC-K8's accuracy and customizable dimensions, enabling integration into specialized test rigs and experimental apparatus.

Chemical and Petrochemical Processing

High-temperature reactors, reformers, and process heaters in chemical and petrochemical plants require temperature sensors with excellent chemical resistance. The ceramic sheath of the TC-K8 is compatible with a wide range of process atmospheres, including oxidizing and reducing environments.
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