54
Measuring Power
Displaying measured voltage or current values
Display screen
[MEAS]
> [VALUE] > [BASIC]
11
Example: Displaying measured voltage values
*1: When DC has been selected as the integration mode,
the ripple rate will be displayed instead of the total
harmonic distortion.
*2: This is displayed in 3V3A, 3P3W3M, or 3P4W wiring
mode.
1
Tap [U] (voltage) or [ I ] (current).
2
Switch the channel to be displayed
using the CH keys for channel
selection.
Urms Voltage RMS value
Umn
RMS equivalent of average
rectied voltage value
Uac Voltage AC component (AC)
Udc Voltage simple average (DC)
Ufnd
Voltage fundamental wave
component
Upk+ Voltage waveform peak (+)
Upk− Voltage waveform peak (−)
Uthd Total harmonic distortion*
1
Uunb Unbalance rate*
2
fu Voltage frequency
Voltage range and current range
Set the optimal voltage range and current range according to voltage and current of the object
under measurement. To ensure precise measurement, select the smallest range that is larger than
the input level for both voltage and current.
Range settings on the Measurement screen
1
Use the CH keys for channel selection to light up the channel
you wish to change the range.
The displayed channel will change each time the
CH
keys are pressed.
2
Set the range with the RANGE key or the AUTO key.
See “1.3 Part Names and Functions” (p. 15).
Auto-ranging and manual ranging
(O)
Manual ranging
Allows you to set the range as desired. (Repeatedly press the + and − keys under
RANGE for both voltage U and current I until the desired range is shown.)
(Lit up in green)
Auto-ranging
Sets the optimal voltage range and current range for each wiring conguration
automatically based on the input. (Press the AUTO keys under the RANGE key.)
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