Brookfield RST Rheometer Bedienungsanleitung PDF herunterladen (Seite 62)

Brookfield Engineering Labs., Inc. page 62 Manual No. M14-223

Table of Vanes for the RST-SST Soft Solids Tester

All standard vanes supplied for the Soft Solids Tester have a height (H) to diameter (D) ratio of 2:1.

The constants for the standard vanes are as follows:

Vane Height [mm] Diameter [mm] Shear Stress [Pa]

VT-10-5 10 5

330 … 210,000

VT-20-10 20 10

41 … 27,000

VT-20-20 20 20

9 … 5,900

VT-30-15 30 15

12 … 8,000

VT-40-20 40 20

5.2 … 3,400

VT-40-40 40 40

1.2 … 740

VT-50-25 50 25

2.7 … 1,700

VT-60-8 60 8

24 … 15,000

VT-60-15 60 15

7 … 4,300

VT-60-30 60 30

1.6 … 1,000

VT-80-40 80 40

0.7 … 420

VT-80-70 80 70

0.2 … 120

The vanes pre-loaded into the Rheo3000 software assume a ratio of 3:1 (container-to-vane diameter). If

you use vane/container combinations that don’t match this select an appropriate value from the following

table:

Container to Vane Diameter Ratio

Shear Rate Constant K

�

1,5 : 1 0,3763

2 : 1 0,2792

3 : 1 0,2355

4 : 1 0,2234

5 : 1 0,2181

b : 1

0,2094

It may be possible to use a vane spindle with the MB measuring chamber. This combination can be used

to measure flurries (fluids with suspended particles). Contact Brookfield or your authorized deaer for more

information.

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