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DRK103A Brightness Meter

DRK103A Brightness Meter

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Counseling hotline:0531-85868997  0531-85760992

Brightness Meter is widely applied in papermaking, fabric, printing, plastic, ceramic and porcelain enamel, construction material, chemical industry, salt making and other testing department that need to test whiteness. DRK103A brightness meter also can test the paper’s transparency, opacity, light scatting coefficient and light absorption coefficient.

Product details

Brightness Meter is widely applied in papermaking, fabric, printing, plastic, ceramic and porcelain enamel, construction material, chemical industry, salt making and other testing department that need to test whiteness. DRK103A brightness meter also can test the paper’s transparency, opacity, light scatting coefficient and light absorption coefficient.

Product features
1Test ISO whiteness (R457 whiteness) .It can also determine the fluorescent whitening degree of phosphor emission.
2 Test of lightness tristimulus values (Y10), opacity and transparency. Test light scatting coefficient and light absorption coefficient.
3 Simulate D56. Adopt CIE1964 supplement color system and CIE1976 (L * a * b *) color space color difference formula. Adopt d / o observing geometry lighting conditions. The diameter of diffusion ball is 150mm. The diameter of test hole is 30mm or 19mm. Eliminate the sample mirror reflected light by light absorbers.
4 Fresh appearance and compact structure; Guarantee the accuracy and stability of measured data with advanced circuit design.
5 LED display; Prompt operation steps with Chinese. Display statistical result. Friendly man-machine interface makes the operation simple and convenient.
6 Instrument is equipped with a standard RS232 interface so it can cooperate with the microcomputer software to communicate.
7 Instruments have a power-off protection; the calibration data is not lost when the power is cut off.
   
Product application
Brightness Meter is widely applied in papermaking, fabric, printing, plastic, ceramic and porcelain enamel, construction material, chemical industry, salt making and other testing department that need to test whiteness. DRK103A brightness meter also can test the paper’s transparency, opacity, light scatting coefficient and light absorption coefficient.
  
Technical standards
In accordance with GB3978-83: Standard lighting and lighting and observation conditions.
Simulate D56. The diffuse diameter is 150mm and test whole diameter is 30mm or 19mm. It uses light absorber to eliminate the influence caused by the specimen’s mirror reflecting light.
R457 whiteness optical spectral power distribution system in the peak wavelength 457nm, FWHM 44nm, RY10 optical system in line with the GB3979-83: object color measurement.
GB7973-87: Pulp, paper and paperboard diffuse reflectance factor assay (d/o method).
GB7974-87: paper and paperboard whiteness assay (d/o method).
ISO2470:paper and board Blu-ray diffuse reflectance factor method (ISO brightness);
GB8904.2:Pulp whiteness assay
GB1840:Industrial potato starch assay
GB2913:plastics whiteness assay
GB13025.2:Salt making industry general test method; whiteness assay
GB1543-88:Paper opacity determination
ISO2471:paper and cardboard opacity determination
GB10336-89:paper and pulp light scatting coefficient and light absorption coefficient determination
GBT/5950 construction material and non-metallic mineral products whiteness assay
GB10339 Citric acid whiteness and detection method
GB12911:Paper and paperboard Ink absorption determination
GB2409:Plastic yellow index. test method
 
Technical parameter 
1.zero drift: ≤ 0.1 %;
2.indication drift: ≤ 0.1 %;
3.indication error: ≤ 0.5 %;
4.repeatability error: ≤ 0.1 %;
5.specula reflection error: ≤ 0.1 %;
6.sample size: the test plane not less than φ30mm, the thickness of no more than 40 samples
7.Power: AC 220V ± 10%, 50HZ, 0.4A.
8.work environment: Temperature 0 ~ 40 ℃, relative humidity of not more than 85%
9.size and weight: 375 × 264 × 400 (mm), 16 kg

Main fixtures
1.DRK103A brightness meter;
2.A power li

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