Pavement Resilient Modulus Testing Apparatus 1.use with 2sets 2.Model:3.6m, 5.4m Pavement ... structure3).High sensitivity, convenient operation, precise measurement4).Have three measuring bar with different length, is suitabl for measurement in all kinds ... Apparatus set:Front lever,Back lever,Apparatus seatDial gauge bracket,Measuring polingMeasuring head: 50mm, 100mm, 150mm 1pc per sizeDial gaugePls ...