A pyrometer measures high temperatures. Usually shaped like a gun, it points a laser at the direct area of reading, sending radiation waves to detect temperature. It measures the surface of a surface of the body by using a non-contact device that calculates radiation. It is a Greek word which means "fire" and measurement." It is used in a process better known as pyrometry, which is, of course, the measuring of heat.
Pyrometers measure heat temperatures anywhere from 100 to 1999 F. They are used for electrical testing. Specifically, they help read the heat of different power meters. This is important so that the electrician or handler will be safe from burns. This tool allows the person to avoid any contact whatsoever with the object being measured.
An optical pyrometer or brightness pyrometer uses the color of light let out by a heated object. It uses color matching, emitting a very small amount of radiation, about 0.4 to 0.7 microns.
A resistance pyrometer (RTD) measures heated wire resistance. This determines if there is a change in resistance of a material's electricity.
The pyrometer is used in general when the object being measured cannot be used by anything else. When purchased, the item is already specifically calibrated. It is, however, important to keep it in good condition. The equipment should be calibrated every couple of years or whenever it may function improperly. It is also good to see what kind of warranty is offered for the product. A good warranty will have an offer of 1 year and up. These are pieces of equipment that need special attention to keep in good running condition.
There are many different types of pyrometers for different temperatures and different styles of optical pieces. There are also choices of having an automatic or optical pyrometer. The best pyrometer to use on a power source, like power meters, would be an optical one. These are best at reading wire filament temperatures.
There are so many different types of pyrometers to choose from, it's a good idea to do a good amount of research when purchasing one. They are extremely beneficial to today's electricians and any other profession that uses extreme heat. To have a device that does not require touching the actual object is important as well. If the object being measured gets touched in a destructive way, wires may come loose and equipment may be heavily damaged. This device prevents that damage from occurring.
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