Hioki LR5011, Instruction Manual

Page: 72 / 112

5.4 Calculating Operating Rate
66
The approximate operating rate of the measured value is calculated.
The total amount of time during which data exceeds the
[Upper threshold] is consid-
ered operating time, and the operating rate is calculated as the ratio of the operating
time to the total calculation time span.
1. Select the item and time span.
2. Set the upper threshold.
3. Click the [Calculate] button.
(Operating hours and operating rate values are calculated and displayed.)
Note: Click the
[Finish]
button to close the [Operating Rate] dialog box.
5.4 Calculating Operating Rate
Item and range settings
Select the item for operating rate calculation,
and the time span.
The time span can also be specified by setting
the A/B cursors ( p.48) on a graph and selecting
[Calculate between A/B cursors] .
1
2
3
Upper
Threshold
20
Example: The time during which a device consumes 20 A or more is
considered the operating time.
The sum of the times depicted by is the operating time. (In the above
diagram, operating time is 1.5 hours.)
20 min
10 min
20 min
15 min
25 min
Operating time (1.5 h) ÷ calculation time span (2.5 h) × 100 = 60% operating rate
Calculation time span (2010/1/1 10:00 to 2010/1/1 12:30)
HIOKI LR5011B980-04