Ametek BROOKFIELD DVNext Operation Instructions Manual page 45

Rheometer
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accessories include temperature probes (Thermosel) or optional chambers with embedded temperature probes
(Small Sample Adapter). The units of temperature are defined in the Global Settings section of the Settings Menu.
The temperature will not be displayed when no temperature probe is connected.
Speed
Speed is the selected speed from the Configure Viscosity Test screen
TIP: Speed can be changed by switching from the Running Viscosity Test screen to the View Test screen using the
blue arrow in the Speed field.
TIP: When Speed is changed in the View Test screen, the Test Name will be changed to unsaved.
The status of the test configuration is indicated in the gray bar above the data fields. A configuration that has been
saved will be indicated by a display of the test file name. A configuration that is not saved will be indicated by a
display of Unsaved Test.
The Real Time Graph is displayed at the bottom of the Running Viscosity Test screen. This graph shows all
measurements during the life of the test. The Y-axis can represent any data field. The data field represented on the
graph is shown by the blue dot; for example, in Figure 3-42, Torque is shown on the graph. Any data field can be
selected by touching the screen.
The Real Time Graph will indicate data points collected as part of the test with a blue dot on the data line. At the
conclusion of the test, the Real Time Graph is displayed for review. Once the OK button is pressed, only the data
points collected as part of the test will be available for review/save. The Real Time Graph cannot be seen again once
the Results page is in view.
QC Limits will be indicated on the Real Time Graph when the selection for Y-Axis is the same as the selection for QC
Limits (see Section III.9).
Two Command Keys are available on the Running Viscosity Test screen: Stop Test and View Test.
Stop test
Immediately stops the current test. The user will be presented with a confirmation box. The test will continue to run
until Yes is selected in the Confirmation box. If any data had been collected during the test, the user will be presented
with the Results screen. If data was not collected, the user will be returned to the Configure Viscosity Test screen.
TIP: If the operator selects "Do not show this message again" within the Confirmation box, then the Confirmation
box will no longer be displayed when Stop Test is pressed. This condition can be reset in the Display section of
User Settings.
View test
Change the view from measurement to test parameters including: Spindle, Speed, Temperature, End Condition, Data
Collection, QC Limits, Instructions, and Density. The View Test screen includes a live display of Torque and a Time
parameter that shows the total elapsed time for the test (see Figure 3-43).
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
45

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