Types of Thermometers Essay - 910 Words.
Thermometers measure temperature, by using materials that change in some way when they are heated or cooled. In a mercury or alcohol thermometer, the liquid expands as it is heated and contracts when it is cooled, so the length of the liquid column is longer or shorter depending on the temperature.
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An analog thermometer shows the temperature on a scale or dial; a digital thermometer shows the temperature as a number. The higher then number above zero, the higher the temperature.
E yeballing your food isn’t the most effective or safest way to gauge doneness. Digital kitchen thermometers offer quick and easy cooking data. We conducted over 45 hours of research and performed a series of tests to determine which of 12 top products is worthy of being crowned best digital meat thermometer.
Digital Thermometers. Digital Thermometers are mercury free. These thermometers contain thermistor inside the tip which is used to measure the temperature. They provide quick and highly accurate results over the body temperature range. These thermometers are easy to read with LCD display on them.
An ear thermometer was invented in the 1960s, which works quickly and easily. Digital thermometers became widespread in the late 20th century. This short article about medicine can be made longer. You can help Wikipedia by adding to it.
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