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A IR thermometer or Pyrometer is used where it is not possible to measure temperature with contact, IE very hot or very cold temperatures or where the object is a distance away. Infrared is in the 10-6 to 10-4 Meter band, this is called the thermal radiation band. It is between the microwave band and the visible light band. An IR thermometer, transmit a predefined IR frequency signal to the object under measurement, if the IR generated by that object itself is of a lower frequency than the received IR, that frequency is subtracted from the received frequency and that IR signal is then reflected back to the IR thermometer, this received signal is then used by the build in electronics of the thermometer to calculate the temperature of the object under measurement. Some uses: * Detecting clouds for remote telescope operation * Checking mechanical equipment or electrical circuit breaker boxes or outlets for hot spots * Checking heater or oven temperature, for calibration and control purposes * Detecting hot spots / performing diagnostics in electrical circuit board manufacturing * Checking for hot spots in fire fighting situations * Monitoring materials in process of heating and cooling, for research and development or manufacturing quality control situations

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Related Questions

How accurate are ir thermometers?

Reasonably accurate since they are used in tight control situations where temperature tolerance must be monitored extremely well. Typical error values are not more than one one thousand of a single degree.


Are IR thermometers best for taking baby's temperature?

"IR thermometres are quick and easy to use for babies. They are very accurate when used correctly, and can be easier to use than the traditional methods. On the other hand, IR thermometres are often much more expensive than traditional types as well."


What applications require an infrared thermometer?

IR thermometers are typically used when contact or thermocoupled thermometers wouldn't work or wouldn't be accurate. Some examples I can think of include: when the object whose temperature you want to take is moving, if the object is in a vacuum, or if the object could be contaminated by contact.


I am searching for an accredited test lab to test IR thermometers per the ASTM E1965 standard.?

There is a list of such labs here http://www.intersocietal.org/icavl/laboratories/lablist/Maryland_to_Massachusetts.htm


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.


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.


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 liquid mental is used for thermometers?

Mercury is used in thermometers.