Bimetal Thermometers

Utilise the principle of differential expansion of two different metals to indicate temperature changes.
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About Bimetal Thermometers

Bimetal thermometers operate based on the principle of differential expansion. Two dissimilar metals, typically steel and brass or steel and copper, are bonded together. As temperature increases, the metals expand at different rates, causing the bimetallic strip to bend. The bimetallic strip is a key component, often coiled or spiralled, allowing for more significant movement with temperature changes. The movement is then translated into a rotational motion, which is used to drive a pointer or needle on the temperature scale.

Bimetal thermometers are suitable for a wide range of temperatures, making them versatile for applications ranging from low to high temperatures. Equipped with a dial or scale that displays the temperature in degrees Celsius or Fahrenheit, providing a visual representation of the measured temperature.

Bimetal thermometers offer good accuracy for general-purpose temperature measurement, making them suitable for applications where precise measurements are not critical. Primarily designed for local temperature indication at the point of measurement, and they may not be as suitable for remote monitoring or automation.

Bimetal thermometers provide a cost-effective and reliable solution for temperature measurement in a wide range of industrial and commercial applications. Their simplicity, durability, and versatility make them a popular choice for applications where moderate accuracy and local indication are sufficient.

For more information regarding our range of Bimetal Thermometers please contact the MGA Controls sales team on +44 (0)1704 898980 or sales@mgacontrols.co.uk.

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