Used for the evaluation of the initial set of the concrete mortar.
The penetration plunger has a tip area of 32 sq/mm. It is plunged into the mortar to a depth of 25.4 mm. Depth is indicated on the plunger. The resistance expressed in kPa and Lbf/sq.in. is shown on the direct-reading scale.
Dimensions: 25mm diameter x 210mm long