Description Overview Designed to test the thickness of paper, sheet, board and other flaky materials. Technical Data (Z-01) Test range: (0 to 4) mm Measuring surface parallelism: ≤ 0.005 mm Display error: ± 0.05% Technical Data (GL217) Test range: (0 to 20) mm Resolution: 0.001 mm Contacting pressure: (20 ± 2) kPa Contacting area: (1000 ± 20) mm² Measuring surface parallelism: ≤ 0.035 mm Display error: ± 0.05% Technical Data (T-01) Test range: (0 to 5) mm Resolution: 0.001 mm Contacting pressure: (2 ± 0.1) kPa Contacting area: (1000 ± 20) mm² Measuring surface parallelism: ≤ 0.001 mm Display error: ± 0.05%