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the Configure Viscosity Test screen.
Notes
Document any relevant information about the test or data. This information will be stored with the data set once
saved.
Compare results
Load two data sets and view side by side, must be run from the same test to be able to compare results.
Figure 3-45
Device info
Display basic information about the data file and the specific DVNext Rheometer used to collect the data including:
date and time the test started, completed and was saved; if user accounts are active, which user saved the data;
rheometer serial number, firmware version, rheometer Torque range (LV, RV, HA, HB, other).
Graph
Display a graph of the collected data. The axis will default to the values selected in the Report section of the Test.
The value displayed on each axis can be changed by selecting from the blue drop down arrow in each field. Individual
data points can be selected, and the X / Y coordinate values will be displayed. The selected point is represented by a
blue dot (other points are shown as gray dots).
TIP: Some spindle selections do not allow for the calculation of shear stress and shear rate. Shear Stress and
Shear rate will be represented as " ---" for all data points for this type of spindle.
TIP: If the temperature probe is not connected to the DVNext, then the temperature field will not contain any data.
The Graph will not display temperature under this condition.
The buttons at the bottom of the graph are for zooming in, zooming out, and resetting.
Math models
Analyze collected data through several defined equations. The selected math model will default to the selection from
the Report section of the Test. You can change the selected model by pressing the blue drop down arrow.
Math Models available on the DVNext Rheometer include Bingham, Casson, NCA/CMA Casson, Power Law, IPC
Paste, and thix index. Each Math Model will be displayed in equation form with parameter values and confidence of
fit calculations shown. Additionally, a graph of the model will be shown when available (no graph is available for this
Index). The graph is a visual aid only and will not be included with a print.
Figure 3-47 shows the Power Law equation for a typical set of data. A brief definition of the equation will be shown if
the "i" (information) button is pressed.
M19-2101 REVISION 2.0
D V N E X T R H E O M E T E R - O P E R AT I O N A L M A N U A L
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