Methods : ASTM D5, ASTM D217, ASTM D937, ASTM D1321, ASTM D1403, ASTM D1831 A semi-automatic penetrometer with a range of 0 to 640 Pen (64 mm). Plunger release and retention is controlled by a solid state timer which can be set for penetration times of 5, 8, 10, 12, 30 and 60 seconds SPECIFICATION: Penetration Range : 0 to 640 Pen (64 mm) Penetration Time : 5, 8, 10,12, 30, 60 second selectable Display : Digital 2 decimal places Voltage : 110/120 V and 220/240 V 50/60 Hz Power : 45 W Size (HxWxD) : 53 x 30 x 33 cm Weight : 8.3 kg