An infrared thermometer, although different from the conventional thermometers that we use to measure the temperature outside, also measures the temperature of things. However, it reads the temperature according to the thermal radiation that the object emits. It is also known as a laser thermometer. This device is made of a lens that focuses the infrared radiation onto something known as the detector, which causes it to be displayed as temperature units. This means that contact with the object is not necessary for the infrared thermometer to detect the temperature. You can use infrared thermometers even at home when you are gardening or doing any landscaping.
There are many different types of these thermometers, and one of the most common types are:
- Infrared Pyrometer or the Spot Infrared Thermometer: It measures the temperature of a spot on the surface, which is usually a very small area. A red dot is projected by this thermometer onto the surface’s center, which identifies the measures spot but doesn’t measure anything. The visible spot isn’t the only area being measured, and the area varies from instrument to instrument.
There are other equipment as well; however, they are not necessarily thermometers, such as:
- Infrared Cameras: These are used to measure the temperatures of a larger area. They also generate images that are two-dimensional, known as thermograms, where each pixel represents a particular temperature. This is more elaborate than a regular thermometer and requires more software and processor intensive work. This is usually used to monitor large areas. This is typically used by security or military personnel for perimeter monitoring, to monitor quality in a manufacturing process, and for efficiency and safety maintenance purposes.
- Infrared Scanning Systems: These are used to scan large areas, and it is basically only a spot thermometer that is pointed towards a rotating mirror. Manufacturing processes that require conveyors, such as metal exiting the oven, large glass sheets, piles of material that use a conveyor belt, or paper and fabric are the reason these scanning systems are used.
When are they used?
In cases where the object is moving, such as an electromagnetic field that surrounds an object, when a fast response is required in applications, or when the object is in a vacuum. In order to monitor the temperature of certain functions, infrared thermometers can be used for many functions, some of which include:
- Checking equipment which are electrical or mechanical for hot spots and temperature
- For remote operations of the telescope, clouds can be detected through an infrared thermometer
- For control or calibration, the oven or heater temperature can be checked
- Patients in hospitals can be checked without the need to touch them
- In fire-fighting, hot spots can be checked
- The temperatures of volcanoes can be taken
- Used to measure distance (good for landscaping and lawn maintenance)
There are various different uses of infrared thermometers. These are not generally used for day to day purposes, but those that do use them for work purposes know just how essential they really are. There are many different types of infrared thermometers, all of which satisfy the different needs of its users.
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