Cannon-Manning Vacuum Viscometers- With manufacturers’ calibration certificate, viscometer holder and silicone cork. Timing Device – A stop watch or stop clock capable of reading up to ½ second.
Thermometer for Bath – Mercury in glass, range 37.8 to 82 C, and graduations of 0.2 C. The system shall consist of vacuum pump, moisture trap, vacuum regulator, manometer with electronic controller, bleed valve, all interconnecting tubing/piping, and any other accessories as needed to complete the vacuum system. Vacuum System – Capable of maintaining a vacuum within +/- 0.05 cm of the desired level up to and including 30 cm of mercury. Silicone Bath Oil suitable up to 150 C 3. The accuracy of the temperature in the bath should be +/- 0.1 C t hroughout the bath. Constant Temperature Bath – A suitable bath for immersion of at least 6 vacuum capillary viscometer tubes with a digital temperature controller. Conforming to IS:1206 (Part II) Method for Testing Tar and Bitumen Materials: Determination of Absolute Viscosity with the following components: 1.
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