Tuning fork vibration-type viscosity measuring apparatus

Details Tuning fork vibration-type viscosity measuring apparatus Tuning fork vibration-type viscosity measuring apparatus

G - Physics

01

N

73/72

G01N 19/02 (2006.01) G01N 11/16 (2006.01)

Patent

CA 1282252

ABSTRACT A vibration-type viscosity measuring apparatus having a pair of vibrator subassemblies that can be resonated as a tuning fork. Each of said pair of vibrator subassemblies constituting a tuning fork has at the free end a sensor plate comprising a thin metal plate to be inserted into a sample, a detector is provided for detecting electrically the amplitude of said vibrator subassemblies that will be driven together with said sensor plates at the same frequency in reverse phase relation to each other, which amplitude will be changed due to the viscosity resistance of said sample encountered by said sensor plates, and a thermometer probe is provided at the intermediate point between said sensor plates and can be inserted together with said pair of sensor plates into said sample thereby allowing the viscosity and the temperature of said sample to be measured simultaneously.

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