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...Skid resistance tester british pendulum cs key uses assessment of surface friction and properties testing aggregates in the psv polished stone value test new road materials under development pedestrian walkways trafc accident investigations litigation pavers flat bed polisher specifications dimensions w x d h mm inch volume packed m cubic feet weight kg lb cox sons is one best pre requisite portable world pend spfeet set spreader introduction rubber mounted slider high quality equipment originally designed trl s us instrument was further developed at uk transport research laboratory for four surfaces measures frictional between a cen on end arm cal this provides highway engineers with routine method first traceable calibration checking wet dry to slipping skidding both lab site it based izod principle rotates about spindle accessories included attached vertical pillar tubular head known mass tted released tool kit main item from horizontal position so that strikes sample constant veloc...