Conforming to specification and tolerance in accordance to IS 1448(P:60) IS. 1203 in this test, a given force is applied over a given area for a known period of time and the depth of penetration number .An accurately made in sample measured in tenths of a millimeter which is expressed as a penetration number. An accurately machined aluminum base with in-set spirit level has been designed to permit penetration tests to be made over a wide surface area of sample .immersed in any water bath, Supplied complete with a plunger weighing 47.5g and for testing bituminous products, one of 50 g and 10g weights and needle.
