Cannon HTHS Series II Instruction & Operation Manual

Cannon HTHS Series II Instruction & Operation Manual Manual pdf 24 page image

21CANNONCANNONCANNONCANNONCANNON® High-Temperature High-Shear Viscometer Series II Instruction & Operation ManualRevision 1.0d—June, 2011;CANNONCANNONCANNONCANNONCANNON® Instrument Company2139 High Tech Road • State College, PA 16803 • USACHAPTER6 DAILY MAINTENANCEBecause the HTHS is performing high temperature runs with a variety ofoils, it is possible for the capillary drain tubes to become clogged,particularly if high viscosity oil remains in the capillary for extendedperiods of time.To prevent this occurrence, CANNON® recommends that all five cells beflushed at the conclusion of testing each day with approximately 5 ml ofa low viscosity neutral oil (2 mPa·s at 150°C) or commercially-availableStoddard solvent or Naptha.