Dry and wet state reverse reflection coefficient tester

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Product Introduction:

Dry and wet state reverse reflection coefficient tester is used to simulate the evaluation of the reflective performance of occupational high-visibility warning materials in dry state and wet state, and to determine the reverse reflection coefficient of the sample surface. It is suitable for visible warning clothing worn by various posts to ensure the safety warning of personnel.

Technical indicators:

1, the hard plastic cover is equipped with a movable door, the cover has a square hole, the side length is 150mm;

2, the nozzle diameter is 1.19mm, the water supply pipe produces a conical stable and uniform water column;

3, nozzle distance sample 1000mm;

4, when the water column contacts the sample, it forms a （10±5） degree Angle with the surface of the sample in the vertical direction;

5, sample rack device, sample size: 150mm×150mm;

6, water spraying speed: 284mm/h;

7, time control: 0-99.99min, accuracy: 0.01min;

8, light source: standard light source A, color temperature is 2856K;

9, light detector: illuminance meter 0.01lx —— 200klx, aperture Angle δ<12 ';

10, observation Angle α : 12 '—— 2° adjustable, accuracy: 6';

11, incidence Angle β : 0° —— 40° adjustable, accuracy: 1°;

12, sample frame: can be accurately positioned in the first axis β1 and the second axis β2 orientation;

13, the light detector distance from the sample surface: 15m.

Applicable standards:

GB/T 20653-2020 "Protective Clothing Occupational High visibility Warning clothing" Appendix C Appendix E

GB/T 33536-2017 Protective clothing Forest fire protection clothing

GB/T 38046-2019 Reflective vest for car occupants

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