D.E.V.I.C.E. is an encyclopedia of terms used by manufacturers of test and measurement equipment. T&M Atlantic created this service to better explain the functionality of instruments it offers, and to highlight the latest developments in the world of measurement equipment. We are using such tools as animation to bring words and pictures to life and to create not just an understanding but also an appreciation for technology that goes into the design of every instrument.
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Radiation coefficient is a term used for the conditions description of the materials when they radiate energy.
The majority (90% of typical examples) of organic materials and painted or covered with oxides surfaces have radiation coefficient of 0.95 which is set in the device on default. The measurement of glittering and metal surfaces will be inaccurate. If you need to measure such object - cover its surface with adhesive tape or apply dull black paint, let such cover get the temperature of the object. After that you can measure the temperature of the tape or the painted surface.