Contents
iii
1
2
3
4
5
6
7
8
9
A
4.5 Changing Instrument System Settings
[SYSTEM] ..................................................................72
Displaying the Instrument's Version Number (Version) .............72
Changing the Display Language (Language) ............................73
Changing Screen Colors (Color) ...............................................73
Enable or Disable Beep Sounds (Beep) ...................................74
Setting the LCD Backlight Timeout (Backlight) .........................74
Adjusting Screen Contrast (Contrast) .......................................75
Setting the Clock (Clock) ...........................................................76
Viewing the Serial No. ...............................................................76
4.6 Initializing the Instrument (System Reset) ..................77
Chapter 5
Making Connections and Starting &
Stopping Measurement _____________________79
5.1 Pre-Operation Inspection ...........................................79
5.2 Connecting to the Lines to be Measured ...................81
5.3 Verifying Correct Wiring (Connection Check) ............86
5.4 Starting and Stopping Recording ...............................88
Starting and Stopping Recording Without Memory Partitioning
(Partition: OFF) .........................................................................89
Starting and Stopping Recording with Partitioned Memory
(Partition: ON) ...........................................................................92
5.5 Erasing Data ..............................................................93
5.6 Recovering From a Long-Term Power Outage ..........94
Chapter 6
Viewing Data________________________________95
6.1 Viewing Instantaneous Data (VIEW Screen) .............96
Holding the Screen Display..... (Common to all VIEW screens) 96
Viewing Waveforms [WAVEFORM] ..........................................97
Vector Display [VECTOR] .........................................................98
Displaying Harmonics [HARMONICS] ......................................99
Displaying the DMM Screen (voltage, current and instantaeous
power values)[DMM] ...............................................................101
6.2 Displaying a Time Series Plot (TIME PLOT screen) 102
Common Operations and Screen Items
(Common to TIME PLOT screens) ..........................................102
Displaying the Rms Fluctuation Graph [RMS] .........................103
Displaying a Voltage Fluctuation Graph [DIP/SWELL] ............105
Displaying a Demand Graph [DEMAND] ................................106