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The high temperature rotational viscometers, adopted as the standard by all the companies for the measurement of the dynamic viscosity of glasses, slags, and mold powders.
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The high temperature viscometers VIS 403 and VIS 403HF measure the dynamic viscosity of materials with Newtonian behavior such as glasses, slags or mold powder. The instrument operates by measuring the shear stress and shear rate of a rotating bob immersed in a fluid filled cup under controlled temperature. Two different bob and cup configurations are available based on the viscosity of the test fluid. Tests may be conducted in controlled stress or controlled rate conditions, and under isothermal or temperature ramp programs.
- High Temperature Viscometer
- Two temperature ranges: RT – 1500°C, 100°C -1700°C
- Convenient, concentric cylinder measuring geometry
- Ideal for glasses, slags, and mold powders
| Viscosity η |
10 – 107 dPA s
|
|
Temperature Range:
|
RT to 1500°C or 100°C to 1700°C
|
|
Temperature Resolution:
|
0.1°C
|
|
Sample volume:
|
13.8 or 9.2 cm-3
|
|
Rotor diameter:
|
9 or 19 mm
|
|
Measuring system material:
|
Pt/Rh 30%
|
|
Torque Range:
|
0.1 to 50 mN m
|
|
Torque Accuracy:
|
±1%
|
|
Angular Velocity:
|
max. 80 rad/s
|
|
Angular Velocity Resolution:
|
10-4 rad
|
|
Atmosphere:
|
air, inert gas
|
- Overview
-
The high temperature viscometers VIS 403 and VIS 403HF measure the dynamic viscosity of materials with Newtonian behavior such as glasses, slags or mold powder. The instrument operates by measuring the shear stress and shear rate of a rotating bob immersed in a fluid filled cup under controlled temperature. Two different bob and cup configurations are available based on the viscosity of the test fluid. Tests may be conducted in controlled stress or controlled rate conditions, and under isothermal or temperature ramp programs.
- High Temperature Viscometer
- Two temperature ranges: RT – 1500°C, 100°C -1700°C
- Convenient, concentric cylinder measuring geometry
- Ideal for glasses, slags, and mold powders
- Specifications
-
Viscosity η 10 – 107 dPA sTemperature Range:RT to 1500°C or 100°C to 1700°CTemperature Resolution:0.1°CSample volume:13.8 or 9.2 cm-3Rotor diameter:9 or 19 mmMeasuring system material:Pt/Rh 30%Torque Range:0.1 to 50 mN mTorque Accuracy:±1%Angular Velocity:max. 80 rad/sAngular Velocity Resolution:10-4 radAtmosphere:air, inert gas
