Brookfield RST Rheometer Manual do Utilizador Página 59

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Brookfield Engineering Labs., Inc. page 59 Manual No. M14-223
Appendix E Data Sheets for Standard Measuring Systems
Table of Coaxial Cylinder Measuring Systems according to DIN 53018 / 53019 / ISO 3219
(consisting of measuring bob and sample cup)
Three sample cup models are available for the RST-CC and RST-SST Rheometer:
MB3-40 ... 8 DIN
MB3-40F ... 8F DIN/FTK
MBA-40F ... 8F DIN/FTK with EMB-40D ... 8D (disposable)
Measuring system CCT-40 CCT-25 CCT-14 CCT-8
Shear rate range [s
-1
] 0.0215...2,790 0.013...1,670 0.013...1,680 0.013...1,672
Shear stress range [Pa] 0.89...594 3.43...2,280 19.5...13,000 104...69,600
Viscosity range [Pa*s]
1)
0.0003...
27,600
0.002...
177,000
0.012...
1,000,000
0.065...
5,410,000
Filling quantity [mL] 68.5 16.8 3.4 1
Shear rate factor K
[s
-1
/RPM]
2.1480 1.2894 1.2969 1.2865
Shear stress factor
[Pa] 0.2969 1.1419 6.5052 34.8426
Measuring bob radius R
i
[mm]
20.0 12.5 7 4
Sample cup radius R
a
[mm]
21.0 13.56 7.59 4.34
Shaft radius R
s
[mm]
3.5 3.5 2.1 1.2
Angle of measuring bob cone ! [°] 120 120 120 120
Distance from lower edge of measuring
bob to sample cup bottom L' [mm]
20.5 15.5 13 12
Length of shaft immersed L'' [mm] 20 12.5 7 4
Length of measuring bob L [mm] 60 37.5 21 12
Radius ratio $ =
Error!
1.050 1.0847 1.0847 1.0847
Coefficient of resistance c
L
1.1 1.1 1.1 1.1
!
Measuring geometry according to DIN 53019
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