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> Viscometer, cannon-fenske routine, size 400, ?
Viscometer, cannon-fenske routine, size 400, ?
Cannon-Fenske Routine Calibrated Viscometer
An International Research Glassware brand calibrated and numbered viscometer. Either unused or in like-new condition. This unit is being sold as possibly used as there are a few very small, faint spots on the piece (all marks in the photo are from the camera flash - the spots are too faint to appear). Due to their appearance and location (all seem to be external), there is a chance that they are simply from manufacture. No chips or cracks. The stamping, including the two measurement rings, look like those of a new piece.
The piece is in it's original box, with the matching certificate of calibration, as well as and usage instructions. The viscometer is well-cushioned by several layers of large-bubble wrap within it's box.
The box, certificate and glassware viscometer numbers all match.
International Research Glassware, or IRG, is the manufacturer, not Cannon Instrument Company . Cannon-Fenske is the general term to describe the type of viscometer, and is the heading on the included mfrs. instructions.
Kinematic viscosity range for this size is 240-1200 mm2/s (cSt), with a constant of ~1.2 mm2/s2 (cSt/s). The data reported on the certificate of calibration is from standard test ASTM D 445 and are approximately 1.15 cSt/s.
Unknown. Various current offerings range from $100-$170
