Aggregate Impact Tester

The instrument consists of a circular base with two vertical guides. The hammer of weight 13.75 ±0.25kg can be raised to fall freely down the vertical guides. The height of fall can be adjusted through 380± 5mm. The hammer is provided with a locking arrangement. The hammer falls freely to the base and is removable for emptying. Supplied complete with metal measure 75mm dia x 50mm high and tamping rod 230 mm long x 10mm dia.