Specification:

• 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 employing.
• Supplied complete with metal measure 75mm dia x 50mm high.
• Tamping Rod 230mm long x 10mm diameter.
• It is robustly designed to determine the aggregate impact value of aggregates which provides a relative measure of the resistance of an aggregate to sudden shock or impact.
• A Blow Counter to count the number of strokes is fitted on top of the equipment.