Dial Thermometer
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A Dial thermometer is one of the latest instrument that uses a metal pointer on a roundabout scale to show temperature estimations. These instruments has two essential parts; the metal pointer, or needle, and a temperature sensor. These sensors may be bi-metal or bimetallic, fluid or gas filled, or vapor-pressure based.
Bimetal Dial Thermometer
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The Bimetal thermometer employs a bimetal strip in the form of helix, it works on the principle of thermal expansion - two metals having different coefficient of expansions are joined together to form a bimetal. The resultant expansion of bimetal is proportional to temperature that is sensed. Bimetal dial thermometers are simple in construction, but rugged. They are used for measurement of temperature in most of the industrial applications. They are offered in the range of (-) 50°C to 500°C. With rigid stem having bottom or back entry. It can also be offered in every angle rotatable construction at 180° A Features Protection class IP-67Accuracy ± 1% FSDFast responseBottom/Back entry, every angle constructionHigh repeatability, low hysteresisHermetically sealed case
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Glass Thermometer
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