... digital counter Easy to operate Safety system AT150 DIN Abrasion TesterAbrasion tester/abrasion resistance tester/abrasionAT150 is also called DIN, Schopper ... GB9867, ISO4649 and DIN53516.Features:Accurate setting of the abrasion stroke by Delta digital counter;Very easy to operate the ... size:150±0.2mm, lengthen 480mm, speed 40rpm±1rpmg.Abrasion stroke:40m or 20mh.Emery cloth:60# or confirmedi.Size ...