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Bimetallic thermometer 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 Bimetallic thermometer suppliers and OEM/ODM Bimetallic thermometer 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 Bimetallic thermometer etc. The above equipment can fully ensure the provision of high-precision final Custom Bimetallic thermometer 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

Honor

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What is a Bimetallic thermometer
Bimetallic thermometers are versatile temperature measurement devices widely used across various industries and applications. Comprising two different metals with distinct coefficients of thermal expansion, these thermometers function based on the principle of differential expansion. As the temperature changes, the metals expand or contract at different rates, causing the bimetallic strip to bend or twist. This mechanical movement is then converted into a temperature reading through a calibrated scale, making bimetallic thermometers a reliable and cost-effective solution for temperature measurement.
Working Mechanism and Design of Bimetallic thermometer
The heart of a bimetallic thermometer is the bimetallic strip, typically consisting of two metal layers bonded together. Common metal combinations include steel and brass, or steel and aluminum. When subjected to temperature changes, the metals expand or contract proportionally to their coefficients of thermal expansion. The resultant deformation of the strip is harnessed to drive a pointer or a digital display. The design can vary, including helical, spiral, or cantilevered configurations, to optimize sensitivity and accuracy across different temperature ranges.
Advantages and Limitations of Bimetallic thermometers
Bimetallic thermometers offer several advantages, including simplicity, durability, and wide temperature range suitability. They are resistant to shocks and vibrations, making them suitable for industrial environments. Additionally, bimetallic thermometers do not require an external power source and provide a direct analog measurement, ensuring real-time monitoring. However, their accuracy might be affected by hysteresis and non-linearity, and they are generally not as precise as electronic counterparts for extremely fine temperature measurements.

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