
Patent No. 6,766,028 - OFI Testing Equipment, Inc.
OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com
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Operation
With Computer
The ORCADA
®
software has two modes for running tests:
Auto
and
Manual
.
By default, the software is in
Manual
mode when first opened.
To begin a test in
Manual
mode:
1. Add approximately 170 mL of test fluid to the clean and dry stainless
steel sample cup.
2. Enter the raw file save period (in MM:SS, where MM is the two digit
number of minutes and SS is the two digit number of seconds) and
select the shear stress units from the drop-down menu.
3. Enter a temperature in the “Temp” field and choose Celsius or
Fahrenheit.
4. Select the “Enable” checkbox next to the “Rotation” field to start the
motor.
Once the motor is started, the display fields on the right-hand
side of the screen will begin displaying test data.
5. Select the “Enable” checkbox next to the “Temp” field to start the
heater.
The “Preheat” and “Cool” options are used for pressurized
viscometers only.
6. Enter a name in the “Experiment Name” field and click the “Start
Logging” button.
7. Enter a comment in the resulting dialog box. Comments are optional,
but can be used later to identify the test results.