Knowledge What type of thermocouple is used in three-zone split tube furnaces? K-Type for Precision & Safety
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Tech Team · Kintek Furnace

Updated 3 days ago

What type of thermocouple is used in three-zone split tube furnaces? K-Type for Precision & Safety

K-type thermocouples are the standard choice for three-zone split tube furnaces due to their wide temperature range, durability, and compatibility with the furnace's control systems. These furnaces often operate at high temperatures (up to 1760°C) and require precise thermal management, which K-type thermocouples reliably provide. The furnaces also include safety features like overheat and thermocouple-break alarms, ensuring operational safety and material integrity.

Key Points Explained:

  1. Thermocouple Type

    • K-type thermocouples are used in three-zone split tube furnaces.
    • They are made of nickel-chromium (positive leg) and nickel-alumel (negative leg), offering a temperature range of -200°C to +1260°C (extendable to 1760°C for short durations).
    • Their stability and accuracy make them ideal for multi-zone furnaces where precise temperature control is critical.
  2. Safety and Control Features

    • Furnaces include overheat protection and thermocouple-break alarms to prevent damage to materials or equipment.
    • Independent over-temperature controllers ensure each zone maintains safe operating conditions.
  3. Temperature Uniformity and Programming

    • Multi-zone furnaces provide excellent temperature uniformity across heated lengths (e.g., 27 inches).
    • Step programming capabilities allow for complex thermal profiles, essential for processes like CVD (Chemical Vapor Deposition), including applications involving an mpcvd machine.
  4. Atmosphere Control

    • Controlled atmospheres (inert or reactive) protect materials or enable surface modifications.
    • Optional accessories like quartz or alumina boats enhance compatibility with specific processes.
  5. Certifications and Power Supply

    • ISO 9001, CE, and GMP certifications ensure quality and compliance.
    • Power options (220V single-phase or 415V three-phase) accommodate different lab or industrial settings.

K-type thermocouples are a cornerstone of these systems, balancing performance, safety, and adaptability—qualities that quietly shape advanced material processing in labs and production lines worldwide.

Summary Table:

Feature Details
Thermocouple Type K-type (nickel-chromium/nickel-alumel)
Temperature Range -200°C to +1260°C (1760°C short-term)
Safety Features Overheat protection, thermocouple-break alarms
Uniformity Excellent across 27-inch heated length
Atmosphere Control Inert/reactive gas compatibility
Certifications ISO 9001, CE, GMP
Power Options 220V single-phase or 415V three-phase

Upgrade your lab’s thermal processing with KINTEK’s advanced three-zone split tube furnaces!

Leveraging our in-house R&D and manufacturing expertise, we deliver high-temperature solutions tailored to your needs—whether for CVD, material sintering, or controlled atmosphere applications. Our furnaces integrate K-type thermocouples for unmatched precision, safety alarms for reliability, and deep customization options.

Contact us today to discuss your project or request a quote!

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