H-2450.4F Particle Charge Meter Set

The particle charge meter identifies cationic emulsified asphalts by the migration of the particles to a negatively charged electrode (cathode) by means of a direct current. Allows selection of emulsified asphalts that are compatible with the available aggregate or sand. Set includes particle charge meter with positive- and negative-identified electrodes; a set of two H-2452 steel plates.