The plunger penetration apparatus is used to determine the  consistency of fresh mortar, building lime and masonry cement. The test apparatus consists of a base to place the test cup and a vertical column holding the penetration plunger assembly. The drop default height is adjusted to 100 mm. The plunger assembly weight is 90 g. The plunger penetration apparatus is supplied complete with:

Test Cup,  80 mm X 70 mm Tamper