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Rotary Viscometer Data Processing Software Introduction

- May 12, 2018 -

The liquid to be tested in the rotational viscometer is divided into Newtonian liquid and non-Newtonian liquid. The viscosity of Newtonian liquids is only dependent on temperature and decreases with increasing temperature. The viscosity of non-Newtonian liquids is not only related to the temperature, but also related to the shear rate, time, and changes in shear thinning or shear thickening. Solutions of pure liquids and low-molecular substances belong to Newtonian liquids; and most liquids, such as polymer solutions, colloidal solutions, emulsions, suspensions, ointments, and solid-liquid heterogeneous systems flow non-Newtonian liquids.

The

An ordinary digital rotary viscometer without data processing function measures the viscosity at a certain point (at a specific temperature and time shear rate). If the sample being tested is a Newtonian liquid, then the viscosity at a constant temperature The value is constant, and the value at a certain point represents the viscosity of the liquid. But if you measure non-Newtonian fluids with different viscosities depending on speed, rotor, and time, it is much harder to get an accurate value.

The

The ordinary rotary viscometer can measure the absolute viscosity of a Newtonian liquid, but the apparent viscosity of a non-Newtonian liquid is not satisfactory. Because the viscosity data of a conventional rotary viscometer is constantly changing when testing non-Newtonian liquids, it is difficult to obtain an accurate value. The rotational viscometer data processing software is designed to solve the problem of accurate measurement and fully reflect the rheological properties of non-Newtonian liquids. The main features of this data processing software are:

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1. Automatically collect viscosity changes and generate rheological curves in real time;

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2. Curve, data access and printing;

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3. Can test the viscosity at different speed or different rotor (different shear rate), that is, the shear rate change curve;

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4 can test the same speed or the same rotor (same shear rate) when the viscosity, that is, the time curve;

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5. Can test the viscosity at different temperatures, that is, the temperature curve;

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6. The measured curves can automatically provide the temperature and viscosity corresponding to different times;

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7. It can provide comparative analysis of up to 15 curves within the same coordinate;


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