Are glass thermometers accurate? - Promautengineeringsolutions

The accuracy of a typical glass thermometer is ±1 scale division. These are available in partial immersion or total immersion types and typically have to be considerably longer to achieve the same specifications as a mercury thermometer.20 Jul 2021

Why are glass thermometers not recommended?

Liquid in glass thermometers tend to be fragile and hence easily broken, can only be used where the liquid column is visible, cannot be used for surface temperature measurements, cannot be read from a distance and are unsuitable for high temperature measurements.

Which type of thermometer is the most accurate?

rectal thermometers What type of thermometer is most accurate? Digital oral and rectal thermometers are the most accurate. Rectal thermometers, while they may not be used widely for at-home use, are the better measure of core temperature.

Are glass mercury thermometers accurate?

Mercury-in-glass thermometer for measurement of room temperature. Daniel Fahrenheit's mercury-in-glass thermometer was far more reliable and accurate than any that had existed before, and the mercury thermometers in use today are made in the way Fahrenheit devised.

Which is more accurate digital or glass thermometer?

Digital thermometers are the most accurate way to take body temperature. There are many types, including oral, rectal, and forehead, plus many that are multifunctional.

Do you add a degree when taking temp under tongue?

Should I add a degree to oral (under the tongue) and axillary (under the arm) readings? Yes, for the most accuracy. Rectal temperatures are considered most accurate indication of the body's temperature. Oral and axillary temperature readings are about ½° to 1°F (.

Is 99 a fever?

A factor that needs to be considered is how you took your temperature. If you measured your temperature under your armpit, then 99°F or higher indicates a fever. Temperature measured rectally or in the ear is a fever at 100.4°F (38°C) or greater. An oral temperature of 100°F (37.8° C) or more is a fever.

What is the best type of thermometer for adults UK?

How long do you leave a glass thermometer under your tongue?

Digital thermometers may take longer than 30 seconds before beeping when using this method. Glass thermometers need to be held in place for 7 to 10 minutes. Remove the thermometer and read the temperature.