17
Procedure for Investigating Power Quality
Congure the conditions and events required for recording.
If the EVENT indicator on the screen (p. 32) frequently changes to red, too many events
have occurred.
When the number of events reaches 9999 during recording/measurement, subsequent
events will not be recorded (trend recording continues). Adjust the event settings as
required.
See “5 Setting Change (SET UP Screen)” (p. 63).
Measured value check
Press the [MONITOR] key, and use the MONITOR screen to check if there is any problem
with the values measured.
See “6 Verifying the Waveform, Measured Values (MONITOR Screen)” (p. 81).
Recording start*
Press the [START/STOP] key to start recording.
See “7 Recording (Save) (SET UP Screen)” (p. 91).
Analysis/Actions
Continue recording for the period necessary for the analysis, check the state of the power
supply malfunction based on the detected events.
Check while recording
“8 Verifying the Trends (Fluctuations) in Measured
Values (TREND Screen)” (p. 95), and “9 Checking
Events (EVENT Screen)” (p. 105).
Check after recording is
stopped
“11 Analysis (with Computer)” (p. 129)
Next, take the preventive measures for the power supply malfunction.
(The instrument is effective not only for the power supply investigation but also to check
after taking the measures for the power supply malfunction.)
*: Use “Quick Set” for easy and secure setting, and recording start!
The Quick Set allows easy and secure procedure for setting and recording start by following the
navigation of the instrument.
The event settings also allows typical setting by only selecting the menu.
(Menu: Voltage events, Inrush current, Trend record only, EN50160)
See “3 Quick Set” (p. 45), supplied Measurement Guide.
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