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What is Understanding Thermostats and Thermometers about?
Bimetallic strips are used in thermostats and consist of two different metals bonded together that expand at different rates when heated. This causes the strip to bend, completing or breaking an electrical circuit to turn a heating element on or off. Gas thermostats use a similar principle to control the temperature of a gas oven using a brass tube and an invar rod. Thermometers measure temperature using scales based on fixed points and the expansion of liquids in a glass bulb and capillary tube or electric
- Author
- joshua Naulthy
- Language
- EN