YT-48A Brightness and Color Tester

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Paper, cardboard, pulp, ceramics; Cement, starch, calcium carbonate, talc and other powders.

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● Determine the color and color aberration reflected by objects

● Determination of D65 brightness (R457 blue light whiteness)

● Determination of the fluorescence whiteness produced by the emission of a fluorescent substance (the specimen contains a fluorescent brightener)

● Determination of CIE whiteness (Gantz whiteness W10 and color cast value TW10)

● Determination of the whiteness of ceramics, building materials and non-metallic mineral products

● Hunter Douglas Lab and Hunter Douglas (Lab) whiteness were determined

● Measure the yellowness and ink absorption value

● The opacity, transparency, light scattering coefficient and light absorption coefficient of the specimen are determined

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● The advanced circuit design effectively ensures the accuracy and stability of the measurement data

● It can store 10 reference samples and has power-off protection, and the calibration data will not be lost after power-off

● Standard RS232 interface, communication with microcomputer software (optional)

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GB/T 7973、GB/T 7974、GB/T 7975、GB/T 8940.2、GB/T 1840、GB/T 13025、GB/T5950

GB/T 9338、GB/T 4739、GB/T 1543、GB/T 10339、GB/T 12911、ISO 2470、、ISO 2471

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NO.	Parameter items	Technical Indicators
1	Power supply	AC(100～240)V，(50/60)Hz，50W
2	Working environment	Temperature: (10~35)°C, relative humidity≤ 85%
3	Display	240X128 dot matrix LCD screen
4	Light source	Simulates D65
5	Integrating spheres diameter	150mm
6	Sample size	The test plane ≥ φ30mm, and the thickness ≤ 40mm
7	Resolution	The chromaticity coordinate are 0.0001, and the rest are 0.01
8	Zero drift	≤0.1
9	Indication drift	≤0.1
10	Accuracy of the indication	Chromaticity coordinate≤0.01 R457≤0.5 Y≤1.0
11	Repeatability	R457≤0.1, chromaticity coordinate≤0.001，Y≤0.1，△E≤0.2
12	Specular reflection	≤0.2
13	Print	Built-in thermal printer
14	Communication interface	RS232 (optional)
15	Dimensions	390×260×400 mm
16	Net weight	14.5 kg