Depending on where you shop, a digital thermometer can cost from $6 to $20. These markings are increasing temperatures in Celsius or Fahrenheit. An analog thermometer consists of a sealed tube with markings on it. Digital thermometers are available in most drug stores and supermarket pharmacies. A digital thermometer is the most accurate and quickest way to take a temperature. Thermometer definition, an instrument for measuring temperature, often a sealed glass tube that contains a column of liquid, as mercury, that expands and contracts, or rises and falls, with temperature changes, the temperature being read where the top of the column coincides with a calibrated scale marked on the tube or its frame. Digital thermometer. What types of thermometer should I use to take a temperature? Maximum thermometers are commonly used to measure a person’s body temperature. Mercury, for instance, becomes a solid at -38.83 degrees Celsius (-37.89 degrees Fahrenheit). It used to be the only choice in town, but don't scoff at this old-fashioned thermometer. A thermometer is an instrument we can use to measure temperature. The markings on a clinical and weather thermometer are different, but they work in … Liquid thermometers can be limited by the type of liquid used. See more. A thermometer -- an instrument used to measure air temperature—easily tells us this, but how it tells us is another question entirely.
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