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User's Manual
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"-----".
Chapter 4 Measurement
4.1 UTE9802+ Measurement Range
4.1.1 Voltage Range
·Step
Press【V.Range】key to switch to voltage range.
·Explanation
The range can set to Auto, 600V, 300V, 150V or 75V.
The display interface will synchronous display the current selected voltage range.
4.1.2 Current Range
·Step
Press【A.Range】key to switch to current range.
·Explanation
The range can set to Auto, 20A, 8A, 2A or 0.5A.
The display interface will synchronous display the current selected current range.
4.1.3 Manual/Auto Range
•Manual Range
If the measurement range is set to manual range, the selected range will not be change even if the size of
input signals changes.
The manual range can select from the following options.
Voltage range：600V, 300V, 150V, 75V.
Current range：20A, 8A, 2A, 0.5A.
Auto Range
If the measurement range is set to auto range, the instrument will synchronous switch range according to
the size of input signal.
Voltage Range Increasing
The voltage range will increase when any one of the following condition is met.
Urms exceeds measurement range about 110%.
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UTE9800+ Series Smart Digital Power Meter
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