STANDARD: EN 12697-10, 12697-30, BS 598-107 This equipment is used for the preparation specimens for Marshall stability testing in compliance to BS 598 standard. The digital controlled marshall electric compactor is suitable for preparing bituminous mix specimens (dia. 101.6mm x 63.5mm) used in marshall stability testing. The trip mechanism is designed to make the hammer fall at the same distance for every stroke. With some features of digital control, compact times to be preset freely, auto counting and easy to operate etc.