Fann manufactures a variety of instruments to test the viscosity of a drilling fluid or mud.
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The Model 35 Viscometer is the best known and most commonly used Fann viscometer.
Rheometer pre-programmed customized test schedules using touch screen controls and digital measurement technology.
RheoVADR® Variable Automated Digital Rheometer is a digital stand-alone viscometer at ambient pressure
Simple device for indicating viscosity on a routine basis. When used with a measuring cup the funnel gives an empirical value.
Fann offers a complete line of accessories for the Model 35 Viscometer.
Rotational viscometer designed for testing drilling fluids and fracturing fluids at temperatures up to 500°F and pressures up to 1,000 PSIG.
