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because of the Mercury inside that becomes unusable after a period of time.

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Q: Why do refrigerator thermometers expire?
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Related questions

Do oral mercury thermometers expire?

No, oral mercury thermometers do not expire. However, they should be handled and stored properly to ensure accurate readings. Over time, the calibration of the thermometer may shift, leading to inaccurate readings.


What is a refrigerator thermometer called?

They really don't have a name, so they are just called thermometers.


How do you measure refrigerator temperature?

You can measure the refrigerator temperature using a refrigerator thermometer placed inside the unit. Allow the thermometer to sit for a few hours before checking the temperature. The recommended temperature for a refrigerator is between 35-38 degrees Fahrenheit.


Can a meat thermometer be used in a refrigerator?

Not usually. An actual "meat" thermometer is not designed to be used in the refrigerator, nor are they generally of the appropriate temperature range.


What different kinds of thermometers are there?

There are 34 different types of thermometer that range from alcohol thermometers and ear thermometers to medical thermometers and electrical resistance thermometers.


What where the first thermometers?

Mecury thermometers


What are 3 main different types of thermometers?

The three main types of thermometers are liquid-in-glass thermometers, digital thermometers, and infrared thermometers. Liquid-in-glass thermometers use a liquid like mercury or alcohol to measure temperature, digital thermometers provide a numeric temperature reading, and infrared thermometers measure temperature from a distance using infrared technology.


Is mercury present in all types thermometers?

No, mercury is not present in all types of thermometers. While mercury thermometers are common, other types such as digital thermometers and infrared thermometers do not contain mercury. Mercury thermometers are being phased out due to environmental concerns.


What instrument it used to measure temperature?

A thermometer is used to measure temperature. There are various types of thermometers such as digital thermometers, mercury thermometers, infrared thermometers, and thermocouples.


Different types of thermometers?

Celsius and Fahrenheit Thermometers Clinical Thermometers Ear (Tympanic) thermometers Pacifier Thermometers Underarm or Oral Thermometers Food Thermometers Outdoor Thermometers Mechanism of Different Types of Thermometers Mercury and Alcohol Thermometers Digital Thermometers Alcohol thermometer Beckmann differential thermometer Bi-metal mechanical thermometer Electrical resistance thermometer Galileo thermometer Infrared thermometer Liquid Crystal Thermometer Medical thermometer (e.g. oral thermometer, rectal thermometer, basal thermometer) Mercury-in-glass thermometer


What instrument is used to measure temperature of a body?

A thermometer is used to measure the temperature of a body. There are various types of thermometers, such as digital thermometers, infrared thermometers, and mercury thermometers.


What liquid mental is used for thermometers?

Mercury is used in thermometers.