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The viskomat NT is a versatile rotational viscometer for determine the workabilty of fine-grained building materials such as cement paste, mortar, fine concrete, plaster etc. with a maximum particle size of 2 mm. 

You can obtain information on:

flow curves and rheological parameters

temperature dependent workability properties

stiffening behaviour as a function of time an stirring speed

effects of concrete admixtures and mineral blending agents on workability

The Viskomat NT is a true speed controlled rate viscometer driven by a high precision synchron motor. Each rotation is resolved within 200,00 steps. It allows ramping from 0.001 rpm to 200 rpm in both directions to record flow curves and yield points. The torque up to +/-250 Nmm is measured by a measured by a special transducer.

Features

robust apparatus for industrial environments, quality control, research and development.

informative, easy to use test procedures

automatic running of predefined test procedures which can be either standardized or tailored to your own requirements.

inhomogeneous materials measurable with particles up to 2 mm using special paddles to avoid separation and segregation.

Shear rate controlled drive.

Shear stress controlled drive.

oscillation mode.