supply of cannon manning / fenske vacuum viscometer mentioned below for civil engineering department supply of cannon manning / fenske vacuum viscometer mentioned below for civil engineering department , cannon manning / fenske vacuum viscometer , • cannon manning / fenske vacuum viscometer ( is 1206 ( part 2 3 ) to determine the absolute viscosity of bitumen and cut backs by vacuum capillary method. it should consist of • the double layer constant temperature bath with vacuum pump ( with provision for 4 tests ) to illuminate the system. • a temperature controller, an inbuilt stop watch, a heater and a stirrer for maintaining a uniform temperature in the bath. • digital vacuum system upto 650mm hg. • thermometer of ip -5c of range -2 to 300°c ( resolution 0.2°c ) • viscometer tube of sizes 150, 300, 350 and 400 operation on 220 v, 50 hz, single phase, ac supply.