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IR センサー及び技術
Emissivity is the measure of an object's ability to emit infrared energy. Emitted energy indicates the temperature of the object. Emissivity can have a value from 0 (shiny mirror) to 1.0 (blackbody). Most organic, painted, or oxidized surfaces have emissivity values close to 0.95. Majority of Fluke Process Instruments sensors have adjustable emissivity feature to ensure accuracy when measuring other materials such as shiny metals.
Infrared Image
IR センサー及び技術
An infrared (IR) thermometer is a sensor that determines the temperature of an object by detecting and quantifying the infrared radiation emitted by measured target. An IR thermometer can be compared to the human eye. The lens of the eye represents the optics through which the radiation (flow of photons) from the object reaches the photosensitive layer (retina) via the atmosphere.
Pyrometer example usage
IR センサー及び技術
A pyrometer is a type of thermal sensor used for measuring high temperatures of a surface, often in large furnaces or kilns. These devices measure the temperature of an object or surface from the thermal radiation emitted, also known as radiometry. There are many applications where a standard one-color pyrometer reads the temperature incorrectly and they include: