Model 35 Viscometer Instruction Manual
208878
Revision N, February 2013
12
Table 3-3 Rotor and Bob Dimensions
Table 3-4 Rotor-Bob Specifications
ROTOR-BOB
R1 B1
R2 B1
R3 B1
R1 B2
R1 B3
R1 B4
Rotor Radius, R
0
(cm)
1.8415
1.7588
2.5866
1.8415
1.8415
1.8415
Bob Radius, R
i
(cm)
1.7245
1.7245
1.7245
1.2276
0.8622
0.8622
Bob Height, L (cm)
3.8
3.8
3.8
3.8
3.8
1.9
Shear Gap in Annulus
(cm)
0.117
0.0343
0.8261
0.6139
0.9793
0.9793
Radii Ratio, R
i
/R
0
0.9365
0.9805
0.667
0.666
0.468
0.468
Maximum Use
Temperature (
o
C)
93
93
93
93
93
93
Minimum Use
Temperature (
o
C)
0
0
0
0
0
0
Table 3-5 Range of Environmental Conditions
Unit
Radius
(cm)
Length
(cm)
Cylinder Area (cm
2
) x Radius (cm)
B1
1.7245
3.8
71.005
B2
1.2276
3.8
35.981
B3
0.86225
3.8
17.751
B4
0.86225
1.9
8.876
R1
1.8415
n/a
n/a
R2
1.7589
n/a
n/a
R3
2.5867
n/a
n/a
Maximum Altitude
6562 ft (2000 m)
Temperature Range
41
o
F to 104
o
F (5
o
C to 40
o
C)
Maximum Relative Humidity (RH)
80% RH at 87.8
o
F (31
o
C) or less
50% RH at 104
o
F (40
o
C)