Even though it is rarely used except in paediatricsfor obvious reasons, the rectal method of measuring body temperature is the most accurate.
As the temperature increases, the mercury rises in the glass tube. So, you can use the best suited thermometer depending upon your application. For older children and adults, oral readings are usually accurate — as long as the mouth is closed while the thermometer is in place.
Infrared Thermometer These can measure very high or low surface temperatures without the need to make contact with the item in question, which is ideal for spot checking temperature settings within an environment.
For example, mercury expands when heated.
Benefits Some cameras facilitate the download of imagery to PCs or Laptop computers. Applications of Different Thermometers Clinical Thermometers The clinical thermometers are used to measure the body temperature of the patient. Basic Types of Thermometers 1.
They have to be calibrated against a primary thermometer at least at one temperature or at a number of fixed temperatures.
A precision capillary tube with a graduated scale and a liquid such as mercury or alcohol that will expand as the temp increases. The point where the mercury stops will be what your temperature is.
Pacifier Thermometers The pacifier thermometers are used to check the body temperature of babies or infants. Traditional Thermometer Traditional thermometers are designed for at home use for measuring the temperature of the air or water in both F or C.
Armpit temperatures are usually the least accurate. Once, a very popular way to take a temperature, it has been realized that these thermometers now create the risk of exposure to mercury.
Alternative designs using this principle are the reversing thermometer and Beckmann differential thermometer. The precision or resolution of a thermometer is simply to what fraction of a degree it is possible to make a reading. Inaccurate readings will affect the credibility of your future measurements and organisation.
This can be used to provide graphical data and accurate readings that are suitable for professional use. The temperature of the eardrum is measured by the ear thermometers.Product Description. Electronic timer/Thermometer funkiskoket.com With its electronic precision, detailed menu, and intelligent system of signals, this Maverick thermometer/timer leaves other kitchen temperature takers in the dust.
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A temporal artery thermometer may be more expensive than other types of thermometers. Mercury thermometers Once a staple in most medicine cabinets, mercury thermometers use mercury encased in glass to measure body temperature.
Other Types of Thermometers. Temperature strips: although not exactly a thermometer, temperature strips still measure the body’s temperature due to liquid crystals that react to heat. It is usually placed against the forehead and changes color, which can be matched to a provided chart to estimate a person’s temperature.
Liquid-in-glass thermometers, bimetal thermometers, resistance thermometers, infrared thermometers, gas thermometers and liquid-crystal thermometers are a few examples of types of thermometers. Various types of thermometers.
Different thermometer types are to be used to measure different types of environments for temperature. Choosing the right one for your need.Download