Unless your refrigerator has a built-in thermometer, you would need to check it with a thermometer. Purchase of a refrigerator thermometer is highly recommended.
Your Galileo thermometer may not be working properly due to changes in temperature, air pressure, or if the liquid inside has separated. It is important to place the thermometer in a stable environment away from direct sunlight or drafts to ensure accurate readings.
The digital thermometer is less acurrate then the basal digital thermometer. they use different methods of working. iter than that there is no difference.
There are several reasons why a Galileo thermometer may stop working, including changes in temperature, air bubbles trapped in the liquid, or damage to the glass tubes. It is important to ensure that the thermometer is kept in a stable environment and handled carefully to prevent any issues with its functionality.
use a thermometer.We can feel how hot or cold something is. However, sometimes things are just too hot or cold for us to feel safely. At other times we need to know exactly how hot or cold something is. When we need to measure temperature correctly we need to use an instrument called a thermometer. This measures temperature in degrees Celsius [sometimes called centigrade] or degrees Fahrenheit. There are different types of thermometers for different situations. A medical thermometer, for example, needs to be very accurate. It measures in fractions of degrees. When we are ill, even tiny changes in temperature are important. Some thermometers use a liquid that moves up a very fine glass tube. Most room thermometers, and outdoor thermometers are like this. The liquid is either mercury [ which is poisonous] or coloured alcohol. As liquids get warmer they expand [get bigger], and move up the tube. Water expands too, but not as much as alcohol and mercury. Thermometers that might be used by small children are not made of glass. They use a digital display which lights up the temperature. Inside the displays are chemicals that change colour according to the temperature.
Refrigerators typically use a bimetallic coil thermometer or a digital thermometer to monitor and display the temperature inside the unit. These thermometers are designed to withstand the cold temperatures found in refrigerators and provide an accurate reading of the internal temperature.
Your infrared thermometer may not be working properly due to factors such as low battery, incorrect distance from the object being measured, or interference from environmental conditions like smoke or steam. It is important to ensure proper usage and maintenance to ensure accurate readings.
Celsius, Fahrenheit, and Kelvin.
So the working fluid doesn't flow back into the bulb when the it is removed from the heat source. This makes a clinical thermometer "sticky"; it retains the reading of the highest temperature experienced until it is "reset" by shaking.
you mean thermometer? If so, The first recorded thermometer was produced by the Italian, Santorio Santorio (1561-1636) who was one of a group of Venetian scientists working at the end of the Sixteenth Century. As with many inventions the thermometer came about through the work of many scientists and was improved upon by many others.
Thermometer
What kind of thermometer you use to measure the body temperature