its a type of thermometre.....which checks measuring the temperature of ovens and freezers.
Mercury thermometers are rarely used, except in lab thermometers. For human use, they have been replaced by dyed alcohol glass thermometers, or electronic digital thermometers.
because it is more accurate
no,digital thermometers don't have mercury whereas clinical thermometers have mercury.
Many digital and infrared thermometers are self-calibrating.mercury thermometers should be shaken down prior to every use and left in place for at least three minutes. They require careful storage.and thorough cleaning after each use.
Mercury. Dangerous, but effective. Thermometers these days (if they use liquid at all) generally use alcohols.
All health care professionals use thermometers. All health care facilities have thermometers. Most homes also have thermometers.
Mercury thermometers are rarely used, except in lab thermometers. For human use, they have been replaced by dyed alcohol glass thermometers, or electronic digital thermometers.
When you need them.
Doctors use body temperature thermometers to measure body temperature.
thermometers
no
No, rotary engines went out of use in aircraft in WW1.
how do meteorologist use thermometers
Some thermometers use mercury, in these the liquid is silvery. Some thermometers use a red dyed alcohol solutioin.
Achohol, usually. Older thermometers use mercury, but that is too dangerous.
We ca use thermometers, thermocouples, resistance thermometers, pyrometers etc.
thermometers