Marshall/CBR Test Machine 50 kN to perform laboratory Marshall and CBR tests. Twin column frame with motorised drive system. Three speeds of 1,00, 1,27 and 50,8 mm/min. are provided. Overload and travel limit switches protect the machine during operation. The load measuring system with pressure gauge 250 mm dia. and max. value pointer, sensitivity class 2 acc. ISO 7500/1 provides accurate results. Supplied with CBR-piston and dial gauge 30 x 0.01 mm with holding attachment as well as Marshall stability mould with flow dial gauge.