High Accuracy Portable Gloss Meter Manufacturer - 3nh
3nh YG60 High Accuracy Gloss Meter: 60° (0 to 1000 GU, 0.1 GU Resolution) - Calright Instruments
3NH Original Tri angle 20 60 85 Degree Surface Gloss Meter YG268 High Accuracy Glossmeter For Car Painting Marble Glass Metal|Glossmeters| - AliExpress
3nh NHG60M Micro Aperture Gloss Meter for Small Parts and Curved Surfaces, 60° (0 to 1000 GU, 0.1 GU Resolution) - Calright Instruments