Brookfield DV2T Viscometer User Manual

Page 27

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Brookfield Engineering Labs., Inc.

Page 27

Manual No. M13-167-B0614

Multi Point

: Collect multiple data points based on time. The Data Interval is specified in

Hours:Mins:Secs. If the End Condition is set to Time, then the total number

of points will be calculated and displayed in the Data Collection screen. If

the End Condition is not based on time then it is possible that the step will

conclude prior to a data point being collected. If you want a data point at

the conclusion of the step regardless of the time interval, you can check the

check box in the Data Interval screen.

Example 2:

End Condition is Time = 2 minutes, Multi Point Data Interval is 10 seconds.

Total points collected will be 12 with the last data point taken in the last

second of the step.

Example 3:

End Condition is set to Viscosity = 200 cP, Multi Point Data Interval is 10

seconds. During the test the total time required to reach 200 cP is 65

seconds. Total points collected will be 6 with the last data point taken at

60 seconds, 5 seconds before the test is finished.

Example 4:

End Condition is set to Viscosity = 200 cP, Multi Point Data Interval is 10

seconds. Check the check box to Also Collect Single Point at Step End.

During the test, the total time required to reach 200 cP is 65 seconds. Total

points collected will be 7 with the last data point taken at 65 seconds, 5

seconds after point #6 taken at 60 seconds.

Multi Point Averaging

: Specify an amount of time over which to average measured

data. Collect multiple data points based on time until the End

Condition is met. Each data point is an averaged value. If the

Averaging Duration is shorter than the Data Interval for the

step, then the average will be performed for the specified time

at the end of the Data Interval. The total number of points to be

collected will be displayed if the End Condition is set to Time. If

the End Condition is not based on time, then it is possible that

the step will conclude prior to a data point being collected. If

you want a data point at the conclusion of the step regardless

of the time interval, you can check the check box in the Data

Interval screen.

Example 5: End Condition is Time = 2 minutes, Multi Point Data Interval is 10 seconds.

Averaging Duration is 5 seconds. Total points collected will be 12 with the

last data point taken in the last second of the step. Each data point will be

an average of the data measured in the last 5 seconds of each Data Interval.

Example 6: End Condition is set to Viscosity = 200 cP, Multi Point Data Interval is 10

seconds. Averaging Duration is 5 seconds. During the test, the total time

required to reach 200 cP is 63 seconds. Total points collected will be 6

with the last data point taken at 60 seconds, 3 seconds before the test is

finished. Each data point will be an average of the data measured in the

last 5 seconds of each Data Interval.

Example 7: End Condition is set to Viscosity = 200 cP, Multi Point Data Interval is 10

seconds. Averaging Duration is 5 seconds. Check the check box to Also

Collect Single Point at Step End. During the test, the total time required to

reach 200 cP is 65 seconds. Total points collected will be 7 with the last

data point taken at 65 seconds, an average of the 5 seconds after point #6.

Example 8: End Condition is set to Viscosity = 200 cP, Multi Point Data Interval is 1

minute. Averaging Duration is 20 seconds. Check the check box to Also

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