Tag Archives: thermometer probes Archives - TEGAM

How Does A Digital Thermometer Work?

How Do Digital Thermometers Work? Thermometers used to be simple. First, there was a glass tube filled with a liquid that expanded up the tube as the temperature increased. We all understood how that worked. Then came the bi-metal thermometers. They were made from a layered strip of 2 metals with different coefficients of expansion…
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