Brookfield CAP2000 Viscometer User Manual download pdf (Page 14)

Brookeld Engineering Labs., Inc. Page 14 Manual No. M02-313-G0812

Spindle 04

CALIBRATE? YES/NO

Figure II-4

If you are using the CAP Viscometer for the rst time or have just received the instrument back

from being serviced, press YES and see Section III. Cones supplied at the time of order are

calibrated to the viscometer by Brookeld prior to shipment, but should still be veried with a

calibration check prior to use for the rst time. Cones purchased separately at a later time by

the user must also be calibrated prior to making viscosity measurements. If you have 2 cone

spindles that are identical (have the same number), you must do a cone calibration when you

swap them.

Otherwise, there is no requirement to perform a cone calibration (Select NO).

Note: 1. CAP Viscometers allow for only one cone at a time of the same cone number

to be calibrated to the viscometer. Multiple cones of the same cone number must

each be calibrated to the viscometer before operation (Refer to Section III).

2. A special feature of the CAP series viscometers allows the user to perform a

cone calibration with viscosity standard uids. (Refer to Section III.4)

3. Cones entered as 11 through 99 must be rst calibrated following the directions

in Section III.

If you are not going to calibrate the cone, continue by pressing the NO key, then the ENTER key.

The viscometer will display the MAIN SCREEN (Figure II-2). Should you subsequently run

a test and observe that the instrument is reading all “0s”, the “P” for Poise is ashing, and the

“%” symbol is ashing, then the cone spindle you are using is not calibrated. You must perform

the cone spindle calibration to rectify the problem.

If you are going to calibrate the cone, press the YES key, and follow the calibration instructions

in Section III.4 - Cone Calibration.

II.3 Speed Setting

The CAP 2000+ is a variable speed viscometer. The speed of rotation is shown in the lower

right corner of the display. To change the speed of rotation, enter the new speed using the

number keys. The new speed will be shown in the lower right hand corner of the display. To

accept the new speed, press ENTER.

The new speed may be cancelled by pressing ESCAPE before pressing ENTER.

To begin spindle rotation, press the RUN key.

Note: The speed cannot be changed while the motor is running.

Speed control may be congured to either shear rate or rotations per minute (see Special

Functions in Section II.1). Data entry for speed selection is the same in either conguration.

Data entry must be in whole numbers.

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Brookfield CAP2000 Viscometer User Manual Page 14