As per I.S 2720, Part XVI, C.B.R. consists of : Load frame hand operated capacity 50 KN (5000 kgs.), Mould 150 mm internal dia 175mm high, penetration piston, Circular metal spacer disc , Annular metal weight 2.5 kg, Slotted metal weight 2.5 kg., Perforated Plate, metal tripod for dial gauge, Cutting collar for obtaining sample from field, Rammer 2.6kg 310 mm, Rammer 4.89 kg.450mm.
