User’s Manual Smart Digital Power Meter
Instruments.uni-trend.com
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represents the currently selected harmonic times. The display item of window 4 can switch by
【
↑
】
or
【
↓
】
.
【
↑
】
or
【
↓
】
key supports continuous press function, long press the two keys to quickly switch the display
item.
•When window 4 displays“tHD”,
Window 1: voltage total harmonic distortion factor
，
the unit is %.
Window 2: current total harmonic distortion factor
，
the unit is %.
Window 3: the total RMS power (operation value) of 1~50 times
，
the unit is W.
•When window 4 displays“or01”~“or50”,
Window 1: voltage distortion factor of the current harmonic times
，
the unit is %.
Window 2: current distortion factor of the current harmonic times, the unit is %.
Window 3: the total RMS power (operation value) of 1~50 times
，
the unit is W.
•When no voltage signal is input or voltage frequency is over the range,
Window 1, 2, 3 displays“-----”.
•When no current signal is input,
Window 2 displays“-----”.
