Standard Penetrometer Hand Operated

Product Description

Standard Penetrometer, Hand Operated

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 25 C determines penetration for gradation.

Consists of a vertical pillar mounted on a base provided with leveling screw The head together with dial gauge rod and cone (or needle) slides on a pillar and can be clamped at required height. A rack and pinion and pointer assembly provides adjustment of needle or cone tip to sample. It incorporates a slipping clutch mechanism which make reading of penetration and subsequent restting a simple and accurate operation The dial is graduated in 400 1/10th mm sub-divisions, and the red needle pointer against black figures makes for easy reading. Supplied complete with one 50 gram weight, and one 100 gram weight and one needle.

Accessories

Penetrometer Cone : Made of Gunmetal and is fitted with a hardened and ground detachable steel, tip and a stem, Total moving weight is 150 + 0.1 gram.                                     

Automatic Standard Penetrometer : Same as above , but supplied with transistorized timer and electro-magnet incorporated in the cluth mechanism to accurately control penetration time to exact five seconds.