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for quality control, process engineering and product design
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The Cone-Plate Rheometer RC20-CPS is a rotational viscometer for quality control, |
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process engineering and product design. |
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A high developed dynamic measuring drive systeme enables rotational tests with |
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Controlled Shear Stress (CSS) and Controlled Shear Rate (CSR) . |
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Special Features |
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microprocessor-controlled measuring device for mains power operation |
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torque overload protection |
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user-friendly, dust proof keyboard for manual operation |
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integrated alphanumeric display (4-lined) showing optional 4 current parameters (dynamic viscosity, shear rate, shear stress, rotational speed, torque or temperature) |
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RAM data buffering, storage of data (incl. data and measuring-count) for maximum 10 experiments with up to 4,800 measuring values |
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cone/plate and plate/plate measuring systems (DIN 53018, see table) |
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sample temperation by liquid circulator, Peltier heating, or electrical heating |
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PC control including data analysis (software package RHEO2000) |
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Technical data
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| torque range |
0.05 to 50 mNm |
| torque resolution |
0.01 mNm |
| angle resolution * |
15.7 μrad |
| speed range * |
0.01 to 1000 min -1 |
| viscosity range |
depending from measuring systeme ** |
| shear rate |
depending from measuring systeme ** |
| shear stress |
depending from measuring systeme ** |
| accuracy |
± 1% of maximum value |
| temperature range |
-20°C to +250°C (liquid temperation by circulator)
-20°C to +135°C (Peltier heating)
+40°C to +250°C (electrical heating)
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| temperature sensor |
Pt100 1/3 DIN |
| power supply |
100 to 240 V alternating current / 20 W |
* high resolution option
** see table |
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Experiments
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single point viscosity detection (CSR, CSS) |
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shear rate steps (CSR) |
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flow curve (CSR, CSS) |
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determination of yield stress (CSS) |
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viscosity-time-experiment (CSR) |
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creep test (CSS) |
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Measuring Parameters
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dynamic viscosity |
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shear rate |
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shear stress |
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rotational speed |
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torque |
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temperature |
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measuring time |
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strain |
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Additional Equipment |
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PC (minimum configuration - Pentium II, 400 MHz, 64 MB RAM, Windows 95) |
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software package RHEO2000 |
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graphic printer/plotter |
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liquid circulator |
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viscosity standard or calibration fluid |
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Additional equipment |
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(consisting of either cone C or plate P, and the temperation device including a basic plate) |
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CONE/PLATE |
| measuring system |
C25-1 |
C25-2 |
C50-1 |
| shear rate range (s -1 ) |
0...4,800 |
0...2,400 |
0...4,800 |
| shear stress range (Pa) |
0...12,223 |
0...12,223 |
0...1,527 |
| viscosity range (Pas) |
0.3...1,629 |
0.5...3,259 |
0.03...203 |
| sample volume (ml) |
0.08 |
0.15 |
0.6 |
| cone or plate diameters (mm) |
25 |
25 |
50 |
| cone angle (°) |
1 |
2 |
1 |
| cone truncation (μm) |
50 |
50 |
50 |
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CONE/PLATE |
| measuring system |
C50-2 |
C75-1 |
C75-2 |
| shear rate range (s -1 ) |
0...2,400 |
0...4,800 |
0...2,400 |
| shear stress range (Pa) |
0...1,527 |
0...452 |
0...452 |
| viscosity range (Pas) |
0.06...407 |
0.009...60 |
0.02...120 |
| sample volume (ml) |
1.2 |
2.0 |
3.9 |
| cone or plate diameters (mm) |
50 |
75 |
75 |
| cone angle (°) |
2 |
1 |
2 |
| cone truncation (μm) |
50 |
50 |
50 |
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PLATE/PLATE |
| measuring system |
P25 |
P50 |
P75 |
| shear rate range (s -1 ) |
0...1,047 |
0...2,094 |
0...3,141 |
| shear stress range (Pa) |
0...16,297 |
0...452 |
0...603 |
| viscosity range (Pas) |
1.5...9,960 |
0.02...120 |
0.02...122 |
| sample volume (ml) |
0.5 |
3.9 |
4.5 |
| cone or plate diameters (mm) |
25 |
50 |
75 |
| optional manufacturing of 0.4°, 3°, 4°, or other cones |
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