These small, battery-operated rotational viscometers are suitable for quick and reliable tests and comparative measurements for quality control applications. The hand-held instruments can also be operated on a stand.
A rotor rotating at a constant speed is immersed in the fluid to be tested; the fluid’s resistance to the rotation measures the viscosity of the fluid. The small batteryoperated rotational viscometer can be operated independently of a mains supply, which means quick and reliable viscosity measurements can be performed virtually everywhere.
Measuring cups and rotors from previous viscometer models – Thermo Scientific HAAKE VT01 and VT02 – can also be used with the plus units.
Typical application ﬁelds
The operation of the Thermo Scientific HAAKE Viscotester 1 plus & 2 plus is especially easy due to the one button operation. The viscotester is switched on and off by pushing the button. Pushing the button a second time selects the rotor type and starts the measurement.
Contrary to the traditional viscotester models where the viscosity value is read from an analog dial, the HAAKE Viscotesters 1 plus and 2 plus show the viscosity value on a digital display. Therefore, errors caused by misreading the dial belong to the past. Possible handling errors as well as service information are also shown on the display.
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