The Minivis II from Grabner features a ball detection principle with reflection sensors which extends its application to both clear and dark samples. The viscosity range is expanded from 0.2 to 1500 mPas/cSt across a temperature range of 0-100°C.
The precision of the results obtained is the same as specified in ASTM Method D 445 but the measuring time only takes 3-10 minutes (depending on viscosity).
Additional advantages are the use of a very small sample volume (0.4 mL) and a cleaning procedure that takes only a few minutes.
The only interaction by the user with the instrument after the introduction of the sample is to enter the sample's density which is required to calculate the viscosity.
The Minivis II also has an accessory valving system that is mounted on the back panel to control sample flow. This enables it to be connected as an at-line analyser for pre-programmed analysis.
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