Manual
19
Selection table for PCE-RVI 2 V1L / V1R
V1L
V1R
Spindle
LCP
LCP
rpm
Viscosity in mPa s
0.3
2000.00
21333.00
0.5
1200.00
12800.00
0.6
1000.00
10666.00
1
600.00
6400.00
1.5
400.00
4266.00
2
300.00
3200.00
2.5
240.00
2560.00
3
200.00
2133.00
4
150.00
1600.00
5
120.00
1280.00
6
100.00
1066.00
10
60.00
640.00
12
50.00
533.00
20
30.00
320.00
30
20.00
213.00
50
12.00
128.00
60
10.00
106.00
100
6.00
64.00
200
3.00
32.00
Increment
0.01 mPa s
0.16 mPa s
Characteristics of special spindles:
Spindle
Shear rate (S. R.)
(Seg.-1)
Sample volume (cc)
LCP
1.224 x rpm
18
The stated shear rates (S.R.) have been calculated based on the assumption that the fluids have
Newtonian characteristics.
10.3 Adapter for spiral movements
Measurement range
Model V1L:
156* … 9400000 mPa s/cP
Model V1R:
1660* … 100000000 mPa s/cP
*High rotational speed for the measurement of low-viscosity values can have a negative influence on the
readings.
*Viscosity measurements have to be carried out under laminar conditions. Turbulent flow conditions can
cause erroneously high viscosity values.
Description
This adapter for analysing spiral movements enables comparative viscosity measurements in substances
that cannot be tested using the standard methods and spindles. It is particularly useful for testing creams,
gels, gelatine and other materials which do not flow easily.
The adapter for spiral movements consists of a motorised unit which causes the measuring head to move
vertically between two stopper rings. When one of the two stoppers is touched, the unit changes its
direction of movement automatically. This results in a spiral, corkscrew motion within the test substance,
without forming any cavities or channels within the material being tested.
The adapter is supplied with 6 T-type special spindles (PA, PB, PC, PD, PE, PF).
