What’s a spectrophotometer?

March 19, 2020
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Introduction of Spectrophotometer

Spectrophotometers are color measurement devices used to capture and evaluate color. As part of a color control program, brand owners and designers use them to specify and communicate color, and manufacturers use them to monitor color accuracy throughout production.

Spectrophotometers can measure just about anything, including liquids, plastics, paper, metal and fabrics, and help ensure that color remains consistent from conception to delivery. The spectral reflectance curve provided by a spectrophotometer is commonly known as the color’s “fingerprint”.

 

According to the geometry, the spectrophotometer can be divided into D/8, 45/0 (or 0/45), and multi angles spectrophotometer.

D/8 Spectrophotometer

D/8 geometry is the most commonly used geometry for color spectrophotometer. D / 8 means integral sphere diffuse illumination, 8 ° viewing angle. It can be widely used in paint industry, plastic industry, textile industry and many other industries which need to measure color.

 

45/0 (or 0/45) Spectrophotometer

 

 

This instrument measures light reflected at a fixed angle to the sample, usually 45˚, and can exclude gloss to most closely replicate how the human eye sees color. They are commonly used for measuring color on smooth or matte surfaces such as printing products, road signs, etc.

 

Multi-Angle Spectrophotometers