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The CANNON® PolyVISC® Automatic Glass Capillary Viscometer combines automatic sampling, viscosity measurement, viscometer washing, and polymer solvent compatibility to provide a convenient benchtop unit ideal for dilute solution polymer viscosity analysis. Both transparent and opaque samples can be measured with the accuracy required by ASTM D 2857 and many other application-specific methods. Infrared optical sensors […]
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The PolyVISC utilizes a unique “air bath” technology to maintain excellent temperature control. Analyses are made in an ultra-stable thermostatic air chamber (the AIRBATH®). The AIRBATH consists of an outer insulated chamber enclosing a second, inner chamber, where the viscometer and sample are continuously bathed in a thermally stabilized stream of air. Temperature is controlled within 0.01°C with advanced measuring electronics, thermoelectric cooling, and controlling software. Because both the sample carousel and the viscometer are completely contained in the AIRBATH, only the first sample requires a delay for thermal equilibrium. The AIRBATH also allows rapid temperature and viscometer changes. Built-in thermoelectric cooling enables testing below 40°C without the need for an external chiller.
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