Web27 apr. 2024 · We have used mercury in thermometers because it expands in a consistent way when heated, not because of its conductivity. It has been used over other liquids because its rate of expansion is just right for us to be able to make observations in a temperature range we are interested in from a calibrated thermometer. Web14 mrt. 2024 · As with a mercury-in-glass thermometer, it is easy to skew the reading of an alcohol thermometer by heating or chilling the bulb which holds the reserve fluid. For this reason, it's important to avoid handling the bulb when working with this type of thermometer, and to avoid exposing the bulb to temperature extremes when trying to …
Is Climate Change really caused by electronic thermometers? (The …
Web7 apr. 2024 · If you've been eating or drinking, wait 30 minutes before you take a temperature by mouth. Turn on the digital thermometer. Place the thermometer tip under your tongue. Close your mouth around the thermometer for the recommended amount of time or until the thermometer beep indicates it's done. Remove the thermometer and … Web31 mei 2024 · According to the EPA 2, nonmercury PRTs are as accurate as mercury-containing thermometers through a wide temperature range. RTDs/PRTs offer better … enable windows audio mixer
How long should you hold a mercury thermometer in place to …
Web14 apr. 2024 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ... WebThe two most common liquids are metallic mercury and various organic liquids. Mercury is a metallic element which is liquid at room temperature. It is the most reliable and repeatable of the thermometer liquids. It has a usable range from -40 to 500°C and has a linear coefficient of expansion. Web3 mrt. 2024 · Mercury thermometers are super retro and filled with a toxic material – but they are world-class accurate. Once calibrated, mercury thermometers will be … dr bob marshall products