A thermometer is an instrument used to gauge temperature of different bodies. Scientists have defined temperature as the degree of the hotness or coldness of any given body. Heat energy always moves from one body to another (from hotter one to colder one) and the fluctuations in the temperature of bodies is quite a natural phenomenon. To know how frequently and to what extent these fluctuations are taking place, people use thermometers.
However, it is important to know that unlike computers and other electronic products, thermometers have not taken birth in 19th century. In fact, the water thermometers had their foundations laid in late 1550’s. On record, it is the name of Galileo who is said to have first formulated the shape of something we call water thermometer. At that time, the water thermometer was called as thermos cope. Galileo is called the water thermometer inventor because it was from his theories that the foundations of the modern thermometers were laid.
Galileo’s thermometer was capable of indicating major fluctuations in the temperature of the given body. However, it was not a precise instrument since it was not made to nullify the effects of pressure on temperature readings. Soon after Galileo, there came Santorio. He was also an Italian scientist who carried the theory of buoyancy from Galileo and conducted more studies on improving the thermoscope that had been put forth by Galileo.
The structure of the water thermometer, at that time, was pretty interesting. It consisted of a container that had water and a few bulbs in it. With change in temperature, there was a natural change in the density of water and resultant, some of those bulbs in the container would rise and some would sink. The level of the lowest bulb, as per rule, used to indicate the temperature. Santorio’s work brought a lot of fame to him since his thermometer was considered the improved model and was adopted by medical practitioners for treating patients.
However, it is interesting to know that both the models of the primitive thermometers (Galileo and Santorio) were not accurate and the results they showed had considerable degree of flaw in them. However, research continued on this subject un till in 1654, a scientist names Grand Duke first used alcohol in place of water and put forth a thermometer with better and reliable results. However, those results were only comparatively reliable but in actual, they had flaws as well.
A basal thermometer is more sensitive to temperature changes than normal clinical thermometer. They can measure even the slight change in body temperature and are accurate to about 0.1 C. Basal thermometers are used for charting basal body temperature of woman who wants to know the best chance for getting pregnant. If you are looking to purchase a basal thermometer to chart your BBT, then go for the best basal thermometer in UK. Not all thermometers give accurate reading and hence the result may not be accurate.
Forehead Thermometers for Babies
Forehead thermometers are also known as temporal thermometer as it takes temperature reading by swiping the thermometer along the forehead. This thermometer is very useful in taking temperature of small babies who usually don’t feel comfortable when using thermometer either orally or rectally. Most forehead thermometer have digital display and give fast and precise temperature reading. You may check out some good forehead thermometers for babies here.
With these humble beginnings, the process of formulation of thermometer evolved. It is sometimes said that there is no single inventor of thermometer since there have been many men involved in the development of thermometer. It took years to come up with the shape and working principle of the present form of thermometer. Today, there are tens of different models and brands of thermometers. But considering that the very foundations were laid by Galileo and that he was the person who first introduced such an idea based on physical principles, he is sometimes called the water thermometer inventor.
How To Take Correct Temperature Reading
Digital thermometers can be used to take someone’s temperature from either their armpit or their mouth. The manufacturer of the temperature device you use, such as an ear or forehead thermometer, provides information on how to use it. In this age range you can use a digital thermometer to take a rectal or an armpit temperature or you can use a temporal artery thermometer. Glass thermometers with alcohol inside may also be used for oral temperatures. However, for children under the age of five, their temperature should be taken from their armpit, because they may bite the thermometer if it is placed in their mouth.
Be sure to read and follow the instructions to obtain an accurate temperature. However, wait until your baby is at least 6 months old to use a digital ear thermometer. This thermometer is a thin glass tube with a red or blue line inside it. A child’s temperature can be taken under the armpit, in the mouth, in the ear, or in the bum. The information may also include how the results of the device correlate with the results from other methods of taking a temperature.
If you use another type of thermometer to take a young child’s temperature and you’re in doubt about the results, take a rectal temperature. These thermometers are safe to use for people over the age of 5. Take your child’s temperature whichever way you are comfortable with, as long as it is appropriate for their age. The right method depends on your child’s age. Clean the end of the thermometer with rubbing alcohol or soap and water.
A child younger than 5 may bite the thermometer, breaking it in their mouth. For more advice and detailed instructions on how to take your child’s temperature, speak to your health care provider. And it’s important that the measurement is accurate. Rinse it with cool water. Glass thermometers with galinstan (GAL-in-stan) may also be used to check an oral temperature.
For instance, taking a rectal temperature is the best way to get an exact reading for children under 2 years of age. Do not rinse it with hot water. Galinstan thermometers have a silver-colored line, but will be marked “mercury-free” when you buy one. But most children don’t like to have their temperature taken this way. Put a small amount of lubricant, such as petroleum jelly, on the end.
Alcohol-filled and galinstan glass thermometers are harder to find in regular grocery stores. Although taking a temperature under the armpit isn’t as precise, it will let you know whether your child has a fever. Place your child belly down across your lap or on a firm surface. Using a thermometer to check your temperature can help you manage an illness. If so, you can then take a rectal temperature for the exact reading.
Hold him by placing your palm against his lower back, just above his bottom. A rise in your temperature is usually caused by an infection. Or place your child face up and bend his legs to his chest. When using any kind of thermometer, make sure you read and follow the instructions that come with the thermometer. Rest your free hand against the back of the thighs.