Brookfield R/S Coaxial Cylinder Rheometer - Manual (Page 55)

Brookfi eld Engineering Labs., Inc. Page 55 Manual No. M08-219-B1211
Appendix A
A.1 Data Sheets of Standard Measuring Systems
Table A-1: Coaxial Cylinder Measuring Systems according to DIN 53019/ISO3219
(consisting of measuring bob and cylinder)
Measuring
System
CC3-40 CC3-25 CC3-14 CC3-8
Shear rate range
[s
-1 ]
2 - 2.148 1 - 1,291 1 - 1,291 1 - 1,291
Shear stress range
[Pa] 8.61 - 287 34.2 - 1,140 195 - 6,500 1,065 - 35,500
Viscosity range
[Pa•s] 0.004 - 1,338 0.026 - 8,830 0.026 - 8,830 1 - 271,108
Filling volume [mL] 72 17 3 1.0
Shear rate factor K
⋅γ
[min/s]
2.148 1.291 1.291 1.291
Shear stress factor
τ
‰ [Pa]
0.2874 1.1418 6.501 34.844
Radius of measuring
bob R
i
[mm]
20.0 12.5 7.0 4.0
Radius of measuring
cup R
a
[mm]
21.0 13.56 7.59 4.34
Radius of shaft R
s
[mm]
3.5 3.5 2.1 1.2
Angle of measuring
bob cone
α [°]
120 120 120 120
Distance between
lower edge of
meas. bob and
meas. cup
bottom L’ [mm] 20.5 15.5 13 12
Immersion of mea-
suring shaft L” [mm] 22 12.5 7.0 4.0
Length of meas.
bob L [mm] 60.0 37.5 21 12
Ratio of Radii
R
a
/ R
i
1.050 1.0847 1.0847 1.0847
Resistance
coefficient c
L
1.1 1.1 1.1 1.1
The given ranges are standard values (not maximum values)
R
a
R
s
R
i
L”
L
L’
α
Measuring geometrie
DIN 53019