IBM R/S Rheometer M/02-212 - Manual (Page 56)

Brookfield Engineering Labs., Inc. Page 56 M/02-212
Table Double Gap cylinder measuring system according to DIN 53453
(consists of measuring bob and measuring cup)
Measuring system DG DIN
Shear rate range[s -1 ] 0 ... 4,031
Shear stress range [Pa] 0 ... 67
Viscosity range [Pas] 0.001 ... 1.30
Filling volume [ml] 22.5
Shear rate factor K
γ⋅ [min/s]
5.039
Shear stress factor τ
‰ [Pa]
0.067
Inner radius of measuring bob R
2
[mm] 22.75
Outer radius of measuring bob R
3
[mm] 23.5
Inner radius of measuring cup R
1
[mm] 22.25
Outer radius of measuring cup R
4
[mm] 24
Length of measuring bob L [mm] 111
Ratio of radii
δ
= Error! = Error! 1.021
Resistance coefficient c
L
1
The given ranges are standard values (not maximum values).
L
R
R
1
2
R
3
R
4
Measuring geometry
DIN 53453