Standard Penetrometer Universal With Size 55 x 30 x 25 cms is a given force is applied over the sample for aknown period of time and the depth of penetration of the depression made in tothe sample is measured in tenths of a millimeter which is expressed as apenetration number. An accurately machined aluminum base with in-set spritlevel has been designed to permit penetration tests to be made over a widesurface area of sample. Adjustable feet are provided in the base for leveling.Upright may be rotated to permit the testing of samples immersed in any waterbath.

• Reliability