8.1 General Specifications
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Measured and Detected Parameter Specifications
Measured parameters
Voltage (½), Current (½)
Voltage, peak voltage, current, peak current, frequency, active power,
reactive power, apparent power, power factor, displacement power
factor, active power, reactive power, active power demand, reactive
power demand, voltage harmonics, current harmonics, power
harmonics, fundamental waveform phase angle, voltage total harmonic
distortion, K factor, voltage unbalance factor
Event types
Voltage swell, voltage dip, interruption, inrush current, transient over-
voltage, timer, manual, upon start/stop
Display Specifications
Display refresh rate
Approx. once per second
Measurement display
range
Voltage and current: 1 to 130% of range (zero-suppressed below
1%), power (active, reactive, apparent, power factor, displacement
power factor), total power, energy consumption and demand are
zero-suppressed when voltage or current is zero.
Usable measurement
range
5 to 110% of range
Display
4.7-inch color STN LCD (portrait orientation)
Resolution
240 × 320 dots (RGB)
Dot pitch
0.10 × 0.30 mm
Display languages
English, Chinese (Simplified), Korean or Japanese
LCD backlight
Always On or Auto-Off (after 1, 5, 10 or 30 s, or after 1 h)
LCD brightness
adjustment
If no key is pressed for ten seconds, the backlight switches from high
to low brightness.
LCD contrast adjustment
Provided
Interface Specifications
Interface
USB 2.0 (Full Speed)
Connection destination
Computer
Functions
Data transfer, remote control and data analysis
Change settings, transfer measurement values
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