HET 04160 - STANDARD PENETROMETER
Electrically Operated Model:
Bitumen Penetrometer, Electrically operated model is provided with Automatic Digital Timer and electrical arrangement to carry out the test without needle of stop watch and with great ease and accuracy.
STANDARD PENETROMETER
Used to determine grade of bitumen. The penetration tests determine consistency of bitumen for the purpose of grading. Depth in units 1/10 of millimeter to which a standard needle having a standard weight will penetrate vertically in a duration of five seconds at a temperature of 250C determines penetration for gradation. Two Models. Hand Operated and Electrically Operated.
Hand Operated Model:
It consists of a vertical pillar mounted on a base provided with levelling screws. The head, together with dial plunger rod a cone (or needle) slides on a pillar an can be clamped at any desired height. A rack and pinion and pointer assemble provides fine adjustment of needle or cone tip to sample. It incorporates a clutch mechanism. Which makes reading of penetration and subsequent resetting a simple and accurate operation. The dial is graduated in 400 1/10 and the millimeter subdivisions and the needle pointer against figures makes easy reading. Supplied with a bitumen penetration needle, ring weight One 50gm, two sample containers.