The tester is applying to test the thickness of cardboard.
ISO 534:2005: Paper and board -Determination of thickness, density and specific volume
ISO 438:1980. Paper — Determination of bulking thickness and apparent density
GB/T451.3: paper and board-Determination of thickness
1, Measure range: 0-8mm,
2. indicator display range: 0-25mm.
3, Accuracy: 0.01mm
4, Measuring area: 200mm² (dia. 16.6mm) for paper board,
1000 mm² for corrugated board. (choose one measure area)
5, Pressure: 100 Kpa, for paper board
20Kpa, for corrugated board.
6, Value error: ±2.5um or ±0.5%
7, Dimension: 80×120×120 (mm)
8, Weight: 10kg