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Color Spectrophotometer for Plastic Flim

Others | 2017-08-03 18:16:04

Today we will introduce how to measure the yellowness index of solar backplane film for photovoltaic industry.

The first step: Prepare the films. (as show in figure)

color spectrophotometer


The second step: Turn on the color spectrophotometer CS-660. Firstly, calibrate the instrument. Press “print” to view the measurement area. Put the sample on the test caliber. Make sure no light will enter into instrument to avoid test result. Press “test”, after hearing the sound of “beep”, we will can see the test result on screen. 

plastic spectrophotometer

Target Measurement

plastic spectrophotometer

Sample Measurement Result


After measurement, we can see the yellowness value of the solar backplane films and yellowness difference value can be directly seen on screen. With the value, we can evaluate the products quality and ensure that solar cells absorb solar energy, and improve the power output of solar modules.

CHNSpec Technology is mainly focus on color and gloss measurement instruments design, manufacturing and selling. We keep on developing and researching to ensure the stability of our instruments. Our products are widely used in print industry, painting industry, automobile accessories industry, household appliances industry and other researching organizations. At the same time, we launch new products to enlarge the utility of our products. If any interest or questions about our product, please do not hesitate to contact us.


Spectrophotometer for Plastic Sheet Color Measurement