... , ISO, JIS, DIN, ASTM 3. OEM WDS Digital Display Electronic Universal Testing Machine 1. IntroductionThis ... puncture test by adding relative optional accessories. It conforms to GB, ISO, JIS, DIN, ASTM, etc standards ... b. Auto gear shift: auto gear shift according to actual load. c. Auto test: when setting ... . 3. Main technical parameters Model Specification WDS-0.5WDS-1WDS-2WDS-5Range of testing force ...