22
SPINDLE SELECTION TABLES
R
The Shear Rate (S.R.) has been calculated assuming the characteristics of newtonian products.
Table 4: Spindle type TR
a
Spindle
speed (rpm)
Maximum
b
measurable viscosity (mPa•s)
TR8
c
TR9
d
TR10
e
TR11
f
0.3 166 600 833 300 1 600 000 3 300 000
0.5 100 000 500 000 1 000 000 2 000 000
0.6 83 300 416 600 833 300 1 600 000
1 50 000 250 000 500 000 100 000
1.5 33 300 166 600 333 300 666 600
2 25 000 125 000 250 000 500 000
2.5 20 000 100 000 200 000 400 000
3 16 600 83 300 166 600 333 300
4 12 500 62 500 125 000 250 000
5 10 000 50 000 100 000 200 000
6 8300 41 600 83 300 166 600
10 5000 25 000 50 000 100 000
12 4160 20 830 41 600 83 300
20 2500 12 500 25 000 50 000
30 1600 8300 16 600 33 300
50 1000 5000 10 000 20 000
60 830 4160 8300 16 600
100 500 2500 5000 10 000
200 250 1250 2500 5000
Resolution 10 mPa•s 100 mPa•s 100 mPa•s 100 mPa•s
a. Type TR spindles are the optional spindles for use with the Adaptor for Small Sample Volumes; See “Spare
parts and accessories” on page 28.
b. The minimum recommended reading is 15% of the full scale value.
c. TR8 shear rate: 0.93 x rpm with sample volume of 8.0 cm³
d. TR9 shear rate: 0.34 x rpm with sample volume of 10.5 cm³
e. TR10 shear rate: 0.28 x rpm with sample volume of 11.5 cm³
f. TR11 shear rate: 0.25 x rpm with sample volume of 13.0 cm³
2300_TMA_0377_00_01.book Page 22 Thursday, March 29, 2007 1:32 PM
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