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

● 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

● 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)

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

NO. | Name | Model | Picture | Standard | Optional |
1 | Flating Powder Holder | YT-QY | 
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| √ |
2 | Fiber Sample Holder |
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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 |