Brookfield CAP1000 Viscometer Manual de usuario descargar pdf (Pagina 14)

Brookeld Engineering Labs., Inc. Page 12 Manual No. M02-312A0607

It is recommended to have the spindle in contact with the plate prior to introducing the

sample material to ensure that the spindle is also at the temperature of test. Brookeld

recommends using the solvent trap at all times to enhance the temperature control of the

sample material. After inserting the sample material onto the plate, lower the spindle

and solvent trap and allow sufcient time for thermal equilibrium prior to starting the

test.

Temperature control on the high temperature unit can be restored by entering a setpoint between

50°C and 235°C.

II.5 Hold Time Settings

Hold time sets the time period between when the RUN key is pressed and when the spindle

begins to rotate. This time period is normally used to ensure thermal equilibrium of the sample

and spindle. The hold time range is 0 to 999 seconds.

Press the HOLD TIME key and the current hold time will blink on the default screen. Use the

number keys to type in the required hold time and press the ENTER key.

Note: When the hold time is set to zero, it is not displayed on the default screen.

II.6 Run Time

Run time sets the time period of spindle rotation. The run time range is 0 to 999 second.

Press the RUN TIME key and the current run time will blink on the default screen. Use the

number keys to type in the required run time and press the ENTER key.

Note: Run time will be shown on the default screen only when hold time is set to zero.

A run time of zero sets the viscometer to innite run mode. In this mode, the spindle will rotate

at the set speed for as long as the RUN button is pressed. When the RUN key is released, the

spindle will stop rotating.

Note:

With a run time of zero, the hold time will not be used.

II.7 Printing

Pressing the PRINT key at any time sends information on test parameters to the printer port.

However, viscosity, full scale range and shear stress data will only be printed after it is rst

displayed during a test run.

To print a heading, press and hold the

STOP/ESCAPE key and press the PRINT key. Then start the

test by pressing the RUN key. Press the

PRINT key whenever data is desired during the test.

Example of CAP 1000+ PRINT OUTPUT showing heading and data.

VISCOSITY

(POISE)

F.S.R.

(%)

TEMP

(Deg C)

S.STRESS

(D/CM2)

S.RATE

(1/sec)

SPEED

(RPM)

TIMER

(SEC)

CONE

No.

- - 25.0 - 10000 0750 20 02

Figure II-4

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 29 30

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Brookfield CAP1000 Viscometer Manual de usuario Pagina 14

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