bimetallic thermometer definition

bimetallic thermometer [ ¦bī·mə′tal·ik thər′mäm·əd·ər] (engineering) A temperature-measuring instrument in which the differential thermal expansion of thin, dissimilar metals, bonded together into a narrow strip and coiled into the shape of a helix or spiral, is used to actuate a pointer. Also known as differential thermometer.

Definition: The bimetallic thermometer uses the bimetallic strip which converts the temperature into the mechanical displacement. The working of the bimetallic strip depends on the thermal expansion property of the metal. The thermal expansion is the tendency of metal in which the volume of metal changes with the variation in temperature.

Bimetallic-coil Thermometers: These thermometers contain a coil in the probe made of two different metals that are bonded together. The two metals have different rates of expansion. The coil, which is connected to the temperature indicator, expands when heated. This food thermometer senses temperature from its tip and up the stem for 2 to 2 1/2

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Thus, this is all about an overview of a bimetallic strip which works on two main fundamental thermal expansion and temperature coefficient. It is usually a thermometer device that measures temperature. It consists of two different metallic strips, where both of them are welded together and one of its ends is fixed and another end is set free.

Bimetallic stemmed thermometer is an instrument that uses two different metals to measure temperature. Two metals with different 

The liquid-in-glass thermometer is a contact-type thermometer which measures temperature from changes in the volume of a liquid. Mercury is most commonly used as a thermometric

bimetallic thermometer. [ ¦bī·mə′tal·ik thər′mäm·əd·ər] (engineering) A temperature-measuring instrument in which the differential thermal expansion of thin, dissimilar metals, bonded together into a narrow strip and coiled into the shape of a helix or spiral, is used to actuate a pointer. Also known as differential thermometer.

A bimetallic coil from a thermometer reacts to the heat from a lighter, by uncoiling and then coiling back up when the lighter is removed. A bimetallic strip is used to convert a temperature change into mechanical displacement. The strip consists of two strips of different metals which expand at different rates as they are heated.

4 inch stainless steel waterproof every angle bimetallic thermometers with probe. Brief: For bimetallic thermometers, we have crimped type, bayonet type for your choice, also there're bottom connection industrial thermometer ,back connection industrial thermometerand adjustable connection industrial thermometer for option.Size: 2", 2.5“, 3

2019. 3. 5. · The simplest design of a bimetal thermometer is to wrap the bimetallic strip into a spiral. The inner end of the spiral is firmly connected to the housing. A pointer is attached to the outer end of the spiral. The measured temperature can then be read off a calibrated scale. Figure: Bimetal thermometer (spiral type)