Innovative Penetrometer consists of a head support, mounted on a vertical rod which can be adjusted for head, a rack & pinion and pointer assembly provides for fine adjustments of needle or cone tip to sample incorporated a slipping clutch mechanism which makes reading of penetration and subsequent resetting a simple and accurate operation. The Penetrometer is provided with automatic timing control device. Time for Penetration is automatically controlled. The plunger release can be operated by hand when desired. The dial is graduated from 0- 400 in 1/10th mm sub- division. Complete with penetration needle, set of cups & weight of 50gm and 100gm. 

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