For determining the viscosity of cut back bitumen and road oil. The viscometer consists of a chrome plated copper bath, with a drain valve and a central tube to receive the test cup and to position the stirrer, and is mounted on a stand with levelling feet. Stirrer has a curved shield and is provided with an insulated handle, thermometer socket and swivel support for the valve.
Ref. Standards-IS:1206, IP72, STPTC. RT2, RT3, BS:2000, (Part72)
- Standard Tar Viscometer with 10 mm cup and ball valve (AIM 531)
- Standard Tar Viscometer with 4 mm cup and ball valve (AIM 533)