Brookfield DV2+Pro Viscometer Instrukcja Użytkownika Strona 23

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Brookeld Engineering Labs., Inc. Page 23 Manual No. M03-165-F0612
maximum accuracy, readings below 10% should be avoided.
Record values.
4. Press the
MOTOR ON/OFF/ESCAPE key and turn the motor “OFF” when changing a spindle or
changing samples. Remove spindle before cleaning.
5. Interpretationofresultsandtheinstrument’susewithnon-Newtonianandthixotropicmaterials
is discussed in the booklet, “More Solutions to Sticky Problems”, and in Appendix C, Variables
in Viscosity Measurements.
II.11 Time Modes for Viscosity Measurement
The Time Modes allow the viscometer user to implement the unattended Time to Stop and Time to
Torque capabilities of the DV-II+Pro Viscometer. These features will allow the user to set up the
viscometer(i.e.selectspindleandspeed)andthenrecordreadingsforaxedperiodoftime(Time
to Stop) or until a set torque value is attained (Time to Torque). When timing begins, a message will
be displayed showing time remaining (or time elapsed) and the appropriate display item (viscosity
or torque) will be updated continuously during the event. Upon completion, the viscometer will
stopanddisplayascreenstatingthatthetestiscompleteandwillalsodisplaythenalrecorded
valuefortheviscosityintherstcase,orthetimeinminutesandsecondstoreachthetorquelimit
in the second case. Pressing the
UP or DOWN ARROW keys will allow additional viscometer data to
be examined. Pressing any other key (except the PRINT or ENTER/AUTORANGE key) will bring the user
back to the default (normal) viscometer display with the motor OFF. Refer to the Time Modes in
Section IV.3.
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