Complete with digital vacuum regulator, vacuum pump, manifold bench top module and glass trap. Provides source of vacuum for bitumen viscometry as per ASTM D2171
The vacuum system is designed to be used in conjunction with vacuum capillary viscometers accommodated in a TCB-7 viscometer bath.
The time is measured for a fixed volume of sample to be drawn up through a capillary tube by means of the regulated vacuum supply at a closely controlled temperature (e.g. 60ºC).