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WR armored thermocouple Suppliers

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Ningbo Qingyang Automation Technology Co., Ltd.

Yuyao Huangong Automation Instruments Factory

Ningbo Qingyang Automation Technology Co., Ltd. is famous China WR armored thermocouple suppliers and OEM/ODM WR armored thermocouple manufacturers. We have advanced and complete top-notch testing equipment in the industry, physical testing laboratories, automatic pressure calibration equipment, automatic temperature calibration equipment, wholesale WR armored thermocouple etc. The above equipment can fully ensure the provision of high-precision final Custom WR armored thermocouple to customers, and can ensure that customers can meet all-round testing requirements for physical and chemical properties of materials, high-precision geometric dimension testing, etc.

  • 20+

    Years experience

  • 1000+

    Company area

  • 200+

    Team members

  • 30+

    Export country

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Unraveling the Construction and WR armored thermocouple
The WR Armored Thermocouple is a specialized type of thermocouple that features a unique design, integrating protective armor to shield the sensitive measuring junction from external influences. The typical construction of a WR armored thermocouple consists of four essential components:
1.Thermocouple Element: The heart of the WR armored thermocouple comprises two dissimilar metal wires, such as chromel (an alloy of nickel and chromium) and alumel (an alloy of nickel, manganese, and aluminum), forming the thermocouple junction. These materials are chosen for their compatibility with various temperature ranges and their well-established thermoelectric properties.
2.Protective Armor: Surrounding the thermocouple element, a rugged and durable armored sheath is employed. The armor is commonly made from stainless steel or Inconel® alloy, renowned for its excellent resistance to corrosion, high temperatures, and mechanical abuse.
3.Insulating Material: The thermocouple element is insulated from the armored sheath using a specialized ceramic material. This insulation helps prevent electrical interference and maintains the integrity of the temperature measurement.
4.Termination Options: At the opposite end of the thermocouple, various termination options are available, such as connectors, plugs, or bare wires, making it easier to integrate the WR armored thermocouples into different measurement systems.
Advantages of Using WR armored thermocouple
The operation of WR Armored Thermocouples is based on the well-established Seebeck effect. When a temperature gradient exists between the measuring and reference junctions of the thermocouple, a voltage is generated across the junctions, providing an accurate temperature reading. The advantages of WR Armored Thermocouples include:
1.Extreme Temperature Capability: WR Armored Thermocouples can withstand temperatures ranging from cryogenic levels to as high as 2300°C (4172°F), making them ideal for applications in furnaces, ovens, and high-temperature industrial processes.
2.Mechanical Durability: The armored design provides exceptional protection against physical stresses, vibrations, and potential mechanical damage, ensuring long-lasting and reliable operation.
3.Chemical and Corrosion Resistance: The choice of stainless steel or Inconel® alloy for the armored sheath enhances the thermocouple's resistance to chemical exposure, ensuring its suitability for applications in corrosive environments.
Application of WR armored thermocouple in automobile industry
WR armored thermocouples monitor engine, exhaust system, and brake temperatures to optimize vehicle performance and ensure safety.

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