MG6-SSGloss meter is designed and manufactured according to ISO 2813 and GB9754 . It's also compatible with the standards of ASTM D523,ASTMD2457,GB/T13891,GB/T7706, and GB/8807 . It;s special for
stone measurement , such as :marble ,granite and so on .The main functions as below:1. The holder with a tile simplify a calibration 2.A single cell only , alkali or rechargeable battery may stand to
mork more than 58 hours 3.Small , smart , stable amd simple to use . 4. Lowest fault and reliable .5. The knob protector for operating with case .