This document specifies, in accordance with ISO 10326-1:2016, a laboratory method for measuring and evaluating the effectiveness of the seat suspension in reducing the vertical whole-body vibration transmitted to the operator of earth-moving machines at frequencies between 1 Hz and 20 Hz. It also specifies acceptance criteria for application to seats on different machines.Cross References:ISO 2631-1:1997/Amd 1:2010ISO 2041:2018ISO 13090-1:1998 (R09)ISO 10326-1:2016ISO 8041-1:2017ISO 12100:2010ISO 8811ISO 5007ISO 6016:2008ISO 6165:2012All current amendments available at time of purchase are included with the purchase of this document.