Description and Specification for Lab Tenders
Astra Scientific Tar Viscometer Automatic.
Viscosity is the property of the fluid by which it resist flow due to
internal friction. Used for determining viscosity of cut – back bitumen
and road oil. Viscosity is measured by determining the time taken by 50
cc of the material to flow from a cup through a specified orifice.
General Description & Specification:
The apparatus consist of bath with cup of 10 mm or 4 mm orifice and
sleeve stirrer with ball lifting clip and ball .The bath is fitted with
an immersion heater to take the water to the required temperature and a
drain valve. The temperature is controlled by energy regulator or
voltage varrier.(extra cost) The assembly is kept on suitable stand with
leveling screws. Suitable to operate on 220 V.50 Hz, AC single phase.
Optional Accessories and parts:
The following accessories and consumables are not part of the standard supply and are mandatory for the testing work
• Thermometer IP 8C/9C/10C
• Spare silver plated orifice cup 4mm.
• Measuring Cylinder 100 ml.
• Stop Watch Mechanical/Digital
• Solvent (Benzene/Toluene)for cleaning