DRK103B Brightness Color Meter

Product features

Menstruate many times and give series of arithmetic measuring result; Digital display and the result can be printed out;

1.Test objects color ,diffuse reflectance factor RX、RY、RZ; stimulus value X10、Y10、Z10,  chromaticity coordinate X10、Y10，Lightness L*，Chromaticity a*、b*，Chroma C*ab，hue angle h*ab， dominant wavelengthλd;  ChromatismΔE*ab; lightness  difference  ΔL* ; Chroma difference ΔC*ab;  Hue difference H*ab; Hunter system L、a、b；

2. Test yellowness YI

3. Test opacity OP

4 Test light scatting coefficient S

5. Test light absorption coefficient. A

6 Test transparencies

7. Test Ink absorption value

8. Reference can be practicality or data; The meter can maximum store ten references’ information;

9. Take the average value; digital display and the test results can be printed out.

10. The testing data will be stored while powering off for a long time.

Product application

1. Test the color and color difference of reflective objects.

2. Test ISO brightness (Blue-ray brightness R457), as well as the degree of fluorescent whitening of fluorescent whitening materials.

3. Test CIE whiteness (W10 Gantz brightness and color cast value TW10).

4. Test Non-metallic mineral products and construction materials whiteness.

5. Test yellowness YI

6. Test non-transparency, transparency, light scattering coefficient and light absorption.

7. Test ink absorption value.

Technical standards

1、GB7973: Pulp, paper and paperboard diffuse reflectance factor assay (d/o method).

2、GB7974: paper and paperboard whiteness assay (d/o method).

3、GB7975: paper and paperboard color measurement (d/o method).

4、ISO2470：paper and board Blue-ray diffuse reflectance factor method (ISO brightness);

5、GB3979: object color measurement

6、GB8904.2：Pulp whiteness assay

7、GB2913：plastics whiteness assay

8、GB1840：Industrial potato starch assay

9、GB13025.：Salt making industry general test method; whiteness assay. Textile industry standards: pulp of chemical fiber whiteness measurement method

10、GBT/5950 construction material and non-metallic mineral products whiteness assay

11、GB8425: Textile whiteness test method

12、GB 9338: fluorescent brightening agent whiteness test method

13、GB 9984.1: sodium tripolyphosphate whiteness determination

14、GB 13176.1: test method for brightness of washing powder

15、GB 4739: Chroma of ceramic pigment test method

16、Gb6689: Dye chromatism Instrumental determination.

17、GB 8424: test method for color and chromatism of textile

18、GB 11186.1:Coating color test method

19、GB 11942: Colorimetric methods for color building materials

20、GB 13531.2: color of cosmetics tristimulus values and delta E * chromatism measurement.

21、GB 1543: Paper opacity determination

22、ISO2471: paper and cardboard opacity determination

23、GB 10339: paper and pulp light scatting coefficient and light absorption coefficient determination

24、GB 12911: Paper and paperboard Ink absorption determination

25、GB 2409: Plastic yellow index. test method

Technical parameter

1. Simulate D65 illumination lighting. Adopt CIE1964 supplement color system and CIE1976 (L * a * b *) color space color difference formula.
2. Adopt d / o observation geometry lighting conditions. Diffusion ball diameter of 150 mm, 25 mm diameter of test hole, with light absorbers to eliminate the sample mirror reflected light.
3. Repetitive: δ(Y10)＜0.1,δ(X10.Y10)＜0.001
4. Indication accuracy: △Y10＜1.0,△X10(Y10) ＜0.01.
5. Sample size: test plane no less than Φ30 mm, thickness no more than 40 mm.
6. Power: 170-250V, 50HZ, 0.3A.
7. Working situation: Temperature 10-30 ℃, relative humidity no more than 85%.
8. Sample size: 300×380×400mm
9. Weight: 15 kg.

Main fixtures

1. DRK103A brightness meter;
2. A power line; a black trap;
3. Two pieces of no fluorescent white standard plate;
4. One piece of fluorescent whitening standards board
5. Four light bulbs
6. Printing paper 4 volumes
7. A Power sample
8. Certification
9. Specification
10. Packing list
11. Warranty
12. Optional: constant pressure powder sampler.