Applied standard: ASTM F1566, EN1957
Use a horizontal scroll in wooden barrels or hex (at both ends of thecylinder diameter 250 mm, 300 mm, the middle part of the test on themattress, scroll back to assess human action mattress durability.

1)        Features: wooden hex barrel weight = 109KG, cylinder weight = 140 KG.
2)         According to differentmattress size, scroll, adjustable (adjustment of the limit switch)
3)         Low friction coefficientguides to ensure that the barrel weight fully to the mattress.
4)         Suitable mattress greatestdimension 2.3 X 2.5M.
Text display provides a simple manipulation and creation