A thermometer is a device that measures temperature or a temperature gradient (the degree of hotness or coldness of an object). A thermometer has two important elements: (1) a temperature sensor (e.g. the bulb of a mercury-in-glass thermometer or the pyrometric sensor in an infrared thermometer) in which … Visa mer While an individual thermometer is able to measure degrees of hotness, the readings on two thermometers cannot be compared unless they conform to an agreed scale. Today there is an absolute thermodynamic temperature scale. … Visa mer Thermometers may be described as empirical or absolute. Absolute thermometers are calibrated numerically by the thermodynamic absolute temperature scale. Empirical thermometers are not in general necessarily in exact … Visa mer The precision or resolution of a thermometer is simply to what fraction of a degree it is possible to make a reading. For high temperature work it may only be possible to measure to the nearest 10 °C or more. Clinical thermometers and many electronic … Visa mer Traditional thermometers were all non-registering thermometers. That is, the thermometer did not hold the temperature reading after it was … Visa mer A thermometer is called primary or secondary based on how the raw physical quantity it measures is mapped to a temperature. As summarized by Kauppinen et al., "For … Visa mer Thermometers can be calibrated either by comparing them with other calibrated thermometers or by checking them against known fixed points on the temperature scale. … Visa mer Thermal expansion Utilizing the property of thermal expansion of various phases of matter. Pairs of solid metals with different expansion coefficients can be used for bi-metal mechanical … Visa mer WebbBurettes are the most accurate way of measuring a variable volume of liquid between 0 cm 3 and 50 cm 3 (e.g. in a titration) The tricky thing with burettes is to remember to read the scale from top to bottom as 0.00 cm 3 is at the top of the column. Whichever apparatus you use, you may see markings in ml (millilitre) which is the same as a cm 3.
Thermometer calibration and temperature measurement
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WebbA digital meat thermometer as shown above can also be used. BRIEF OUTLINE OF THE APPARATUS The soldering iron is the basis of the heating system, which is controlled by … WebbA thermometer is an essential kitchen tool that can be a standalone unit or equipped as a basic kitchen appliance. With this, food thermometer accuracy must also be assured. It is the most practical tool to measure the temperature of even the thinnest foods to keep customers safe from foodborne illnesses. WebbA digital thermometer is a thermometer that is generally used to measure a person’s body temperature by tucking it in the armpit or in the mouth. This thermometer is made of … family guy ahem