BYK Gardner AG-4446 Micro Tri-Gloss Meter with RS-232, Bluetooth 20/60/85 Degree | eBay
BYK – MICRO-GLOSS 60° with Case and accessories – OT24 – Bullseye Calibration
Getting Started With Your BYK-Gardner micro-gloss Glossmeter - YouTube
Byk Micro Glossmeter 85 Degree 4562 New -Single Angle Gloss Meter for Specific Applications/Low Gloss, Measuring Area 0.21.5 in: Amazon.com: Tools & Home Improvement
Byk Gardner 4528 Micro-Tri-Gloss Reflectometer | Control System Labs