Analysis of Temperature Measurement with Bimetal Thermometers

 

When we talk about a bimetallic thermometer, it generally means using bimetallic strips that can transform the temperature into a mechanical displacement. The working of a bimetallic strip relies on the thermal expansion property of the metal. Thermal expansion can be stated as the tendency of the metal where its volume alters with respect to the temperature variation. Every metal on earth has a unique temperature coefficient — it shows the relation between the changes in the temperature that causes it and the metal’s physical dimension. For your business, you can buy quality industrial bimetal thermometers available online.   

The pros of a bimetal temperature are its comparatively low cost and durable design. With that being said, it is important to note that an individual needs to be physically present at the spot where the measurement is being done. Even though they are not usually seen used for mobile working machines, these temperature gauges can be used for a variety of applications in chemical industries, oil and gas refineries, pulp and paper industries, and water-wastewater industries.

 Bimetal temperature gauges are mostly found as a spiral or helical tube. The measuring setup comprises two metal strips that have different expansion coefficients that are welded or bonded together. The transformation of the metallic strip into a spiral or helical shape generates a rotational movement when the temperature alters. When one end of the bimetal helix is fixed (clamped) firmly, the other end rotates in order to move the temperature gauge pointer.

 You can find several online providers offering quality thermometers bimetal in the market currently. The bimetal temperature gauges that they produce offer accurate temperature even in the most challenging environments. The most popular bimetal temperature gauges are available with a scale that ranges from -100 F to +1000 F, which have an accuracy of (+/-)1 percent full-scale value according to ASME guidelines. They include a high-grade design, the construction made out of stainless steel, access to external zero resets, and hermetically sealed. Additionally, they are available with silicone case filling that goes well with high-vibration applications. 


Location: United States

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