The liquid is contained in a thin-walled glass bulb. If you have an account, sign in with your email address. When you use thermometer, a small change in temperature will be seen. Click here for verification of our PCI DSS status. The thermometer is made relatively small so that it is portable and cheap. For the best experience on our site, be sure to turn on Javascript in your browser. It radiates the infrared energy to detect the temperature. Laboratory thermometers are designed for lab purposes such as checking boiling point, freezing point, or temperature of other substances. However, Ferdinand II, Duke of Tuscany, modified the desig… In 17th and 18th centuries, people realized the regulation of modern laboratory thermometer. It features a temperature, which detects the physical change and converts it into the numerical value. The Lab Depot uses cookies to improve your experience on our site. This is what is now known as a thermoscope. Let us check other interesting facts about laboratory thermometers below: Thermometers work in different ways depending on the principles applied in the tools. Measuring the temperature can be conducted without any contact by using the radiation type thermometer. What is the difference of thermometer and thermoscope? Moreover, mercury owns the high coefficient of expansion. In 1612, the Italian Santorio Santorio, added a numerical scale to the idea of ​​Galileo Galilei. JavaScript seems to be disabled in your browser. The International Temperature Scale of 1990 is applied as the current official temperature scale. Cookies enable you to have a more personalized shopping experience, and they help us understand how to better optimize our site. Do you have any opinion on facts about laboratory thermometers? Laboratory Thermometers . Temperature mapping of the laboratory work areas can pinpoint areas of temperature instability. One of the notable scientists, which contributed to the development, was Galileo Galilei. Thermometers are always employed in the scientific research, medicine and the study of weather. Facts about Laboratory Thermometer talk about one of the important tools used in laboratory experiments. Temperature is one of the most critical measurements for any laboratory. In 16th and 17th century, the laboratory thermometer was developed from the previous one. We offer laboratory thermometers that meet the most demanding requirements. The laboratory thermometers should have an agreed scale if you want to have all read the similar temperature. The bulb is made relatively larger than its bore to contain more of the liquid, so as to improve sensitivity. It can be partially or fully immersed in the substance being measured. Fume Hoods, Ventilated Enclosures & Exhausters, Hot Plate Stirrers, Hot Plates & Stirrers, Copyright © 2019 Lab Depot Inc. While laboratory thermometers are intended to support a wide array of research activities, clinical thermometers are made for health care purposes. When mercury is kept at room temperature, it has liquid state. Some thermometers detect the changes of thermal expansion of liquids or solids. Actually, it was the developed version of the thermoscope. Mercury is often used in the laboratory thermometer because it has unique physical properties. There are many types of thermometers. This can be considered as a first approach to the clinical thermometer. People recognize it as a tool to measure the temperature gradient or temperature. A laboratory thermometer is recognizable by its long stem with a silver bulb at the end. North Carolina State Laboratory of Public Health | Laboratory Improvement Unit June 2018 | Vol. Click here for verification of our veteran owned status. 14, Issue 2 Thermometers are one of the most common types of equipment in a laboratory, but it is important they are used correctly and periodically checked for accuracy.

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