High Stability Structure Retro Reflective Meter Multi Angle Observation
                                         
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                                            ... With Retro Reflective Meter The multi angle retroreflectometer is an instrument used to measure the photometric performance (retroreflective coefficient R') of retroreflective materials on site. The measurement is used to monitor the reflective quality......                                         
                                        
                                            HEFEI SYNTOP INTERNATIONAL TRADE CO.,LTD.
                                         
                                        
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3nh 1000 Gu Digital Gloss Meter White Color With Large Touch Screen
                                         
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                                            ...the reflectance should be done with the following rule: angle of incidence is angle of reflection. Gloss is highly dependent on the angle at which the material is viewed. If have an observer perpendicular to an object can hardly looks luster, but when he...                                         
                                        
                                            Shenzhen ThreeNH Technology Co., Ltd.
                                         
                                        
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