Brookfield YR-1 Rheometer Manual do Utilizador descarregar pdf (Página 23)

Brookeld Engineering Labs., Inc. Page 23 Manual No. M02-215-B0412

Use this page to load, save, print, and export data taken with the YR-1 Rheometer. The le name

(including path) of the data currently loaded is displayed at the top of the page.

The test parameters used to collect the data are displayed on the left of the page in the box

labeled “Parameters Used To Collect Data”.

Data is displayed on the right of the page in the box labeled “Data/Results”. All recorded data

points are displayed in the table.

Time Starting at the beginning of the run cycle of the test, data is taken at an

interval equal to the Base Increment parameter. Elapsed time since the

beginning of the run cycle is shown here in units of hours, minutes, sec-

onds, and thousandths of seconds (H:MM:SS.SSS).

% Torque Thiselddisplaysactualmeasured%Torquevalue

Delta % Torque Thiselddisplaysthedifferencebetweenthecurrent%Torquevalueand

the previous % Torque value. As the sample approaches its yield point,

the Delta % Torque should begin to decrease. If the Torque reduction

for the test is 100%, the yield point occurs when Delta % Torque reaches

zero (0).

Stress Thiselddisplaysthecalculatedstressforeachdatapoint.Thenal

Stress value (i.e. the Stress at the yield point) is the resultant yield stress.

See Appendix D - Calculations - for the equation used to calculate stress.

Strain ThiselddisplaystheApparentStrainplacedonthesampleforeach

data point. The Apparent Strain is the angular distance that the spindle

rotates in the sample. See Appendix D - Calculations - for the equation

used to calculate strain.

The following are displayed in the line immediately below the Data/Results table:

1. The number of the highlighted record

2. The total number of data records

3. The date and time that the highlighted record was taken.

The test results are displayed below that line.

Test Result There are ve (5) possible test results:

1. Test Passed

2. Test Failed due to an Under-Range condition

3. Test Failed due to an Over-Range condition

4. Test Failed due to a User-Limit violation

5. Test Failed due to a user cancellation

See Section III.6 - Test Results - for more information regarding these possible results.

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Brookfield YR-1 Rheometer Manual do Utilizador Página 23