Brookfield DV-III Ultra Rheometer Instrukcja Użytkownika Pobierz pdf (Strona 83)

Brookeld Engineering Laboratories, Inc. Page 83 Manual No. M98-211-E0912

#5: Sample Tst S:71

PRE-SHEARING...

RPM: 010 TIME: 0030

Figure IV-72

Figure IV-73 is displayed when a Zero operation was selected. If the current program requires a

Zero step, the spindle rotates backwards until the % torque reading is zero (0). The eld after the

word “RPM” is the speed (in rpm) while the eld after the word "Torque" is the current % torque

reading. A Zero step ensures that each test is started from 0% torque. In Figure IV-62, the speed

is 0.2 rpm and the torque reading is momentarily at 2.4% as it decreases back to 0%.

#5: Sample Tst S:71

ZEROING...

RPM: 0.2 TORQUE: 2.4

Figure IV-73

Figure IV-74 is displayed when a Wait Time was selected. A Wait Time step allows for a user-

dened time delay before starting the test. The eld after the word “Time” is the time, in seconds,

that counts down from the user-dened wait time.

#5: Sample Tst S:71

WAITING...

TIME: 0010

Figure IV-74

Figure IV-75 is always displayed during the actual test, after the aforementioned preparation steps

have been completed. During this portion of the test, data is continuously sent out the serial (RS-

232 port) located on the rear panel of the instrument. This data is for use with the accompanying

EZ-Yield

software. See Appendix H for more information regarding this data.

#5: Sample Tst S:71

RUNNING YIELD

Figure IV-75

If the eSC key is pressed at any time during the yield test run, the following is displayed:

#5: Sample Tst S:71

USER TERMINATED TEST

PRESS ESC OR ENTER

Figure IV-76

At this point, pressing the eNter key starts the test again starting from whichever Run screen is

applicable (see Figures IV-72 through IV-75). Pressing the eSC key returns the display to that of

Figure IV-70, reminding you which spindle should be used.

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Brookfield DV-III Ultra Rheometer Instrukcja Użytkownika Strona 83