Standard Tar Viscometer (cut back asphalt)
As per IP 71 and IS 1206 standards. It is used for determination the viscosity of road oils and cut back bitumen. It consists of S.S. bath with cup of 10mm or 4mm orifice and sleeve, stirrer with lifting clip and ball. The assembly kept on suitable stand with levelling screws. Operate on 220 volts AC mains.
A) Electrical heating with energy regulator control
B) Electrical heating with voltage varric control (copper coil)
Meets: - IS: 1206 (part 1)