Brookfield YR-1 Rheometer Manual de usuario descargar pdf (Pagina 48)

Brookeld Engineering Labs., Inc. Page 48 Manual No. M02-215-B0412

Using the ↓ or ↑ key, set the CAL VERIFY setting to YES, then press the Enter key. Figure

C-3 appears on the rheometer display. Ensure the rheometer is level, and remove any attached

spindle before auto-zeroing.

REMOVE SPINDLE

PRESS ANY KEY

Figure C-3

5) After pressing a key, Figure C-4 is displayed with the text ashing.

AUTOZEROING

RHEOMETER

Figure C-4

When the auto-zero is complete, Figure C-5 appears on the rheometer display with OFFRPM

ashing.

CP 0.00 S71

% 0.0 OFFRPM

Figure C-5

6) Attach the spindle to be used in the calibration check and lower it completely (to the primary

immersion mark) into the appropriate Brookeld Viscosity Standard Fluid.

7) The viscosity standard uid, together with the spindle, should be immersed in the bath for

a minimum of one (1) hour, stirring the uid periodically, prior to taking measurements.

8) After one (1) hour, check the temperature of the viscosity standard uid with an accurate

thermometer.

9) If the uid is at test temperature (±0.1 °C of the specied temperature, normally 25 °C),

measure the viscosity according to the following steps and record the reading.

10) Use the ↓ and ↑ keys to select the speed to be used for the calibration check. Speeds between

0.1 and 100 rpm are available for use in checking the calibration. Once a speed is selected

by pressing the Enter key, the spindle rotates at this speed, the %-Torque and Viscosity

value are displayed, and the S71 begins ashing.

11) Use the ↓ and ↑ keys to select the spindle to be used for the calibration check. Once a spindle

is selected by pressing the Enter key, the viscosity value is computed and displayed.

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Brookfield YR-1 Rheometer Manual de usuario Pagina 48