CHINA NBC-5641 Dirt Count Tester

NBC-5641

Dirt Count Tester

Light source 20w fluorescent lamp, irradiation angle 60 °, swirl/spin table 270mm × 270mm, effective area of 0.0625m2, swirl/spin 360 °, standard dust picture 0.05~ 5.0 (mm2), accuracy 0.1 seconds

The dust Tester is suitable for measuring the dustiness of paper or cardboard. It is designed and manufactured in accordance with gb/t1541-1989 "Method for determination of dustiness of paper and cardboard". With reasonable structure and easy operation, it is widely used in the field of testing paper materials in colleges and universities, scientific research units, quality inspection departments, and paper printing and packaging production departments. It is used to test highly smooth paper and cardboard. It should not be used to test materials with a thickness above 0.5mm or paper or cardboard with high air permeability, because the amount of air passing through the sample can cause unrealistic results. Instruments required for paper testing.

Implementation standards

QB/T 1665, ISO 5627, GB456

How to operate

1. Sampling: Cut more than 4 250mm×250mm samples

2. Observation: Place one of the specimens on the rotatable workbench. Turn on the fluorescent lamp and check the visible dust on the sample surface under the fluorescent lamp. When observing, keep the visual distance of your eyes at 250~300mm, and use different marks to circle the dust in different areas; you can also record the number of dust in the same area according to the size of different areas.

3. Comparison: Rotate the workbench 90°. After each rotation, use the standard Dirt Count picture to identify the size of the Dirt Count area on the sample. You can also mark the newly discovered Dirt Count according to different areas until returning. to the initial position.

(The above individual parameters may be adjusted) (Pictures are for reference only, the actual product shall prevail)

Packing list：machine X1, manual X1, certificate X1, warranty card X1

[Note]Because the manufacturer's packaging may be updated or upgraded, the detailed packaging list shall be subject to the latest standard configuration of the manufacturer.