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Input Specifications
Measurement line type
Single-phase 2-wire (1P2W), single-phase 3-wire (1P3W), three-phase
3-wire (3P3W2M,3P3W3M) or three-phase 4-wire (3P4W,3P4W4I)
Number of circuits to be
measured
4 circuits (1P2W), 2 circuits (1P3W,3P3W2M),
1 circuit (3P3W3M,3P4W,3P4W4I) The voltage is the same.
Frequency of the mea-
sured line
50/60 Hz
Input methods
Voltage: Isolated inputs (No insulation between U1,U2,U3, and N)
Current: input is isolated by the clamp-on sensor
Measurement method
Simultaneous digital sampling of voltage and current
PLL synchronization or 50/60-Hz fixed clock
PLL synch channel source
Voltage U1
PLL synch frequency
range
45 to 66 Hz
Sampling frequency
128 points/cycle
A/D converter resolution
16 bits
Input resistance
(50/60 Hz)
Voltage: 2.0 MΩ
±
10%
(differential operation)
Current: 200 kΩ
±
10%
Maximum input voltage
Voltage inputs: AC780 Vrms, 1103 Vpeak
Current inputs: AC1.7 Vrms, 2.4 Vpeak
Maximum rated voltage
to earth
Voltage input terminals: AC600 Vrms (50/60 Hz)
Measurement Items
Measurement Items
Voltage, Current, Active power, Reactive power, Apparent power,
Power factor, Integrated active power, Integrated reactive power,
Frequency, harmonic
Display
Display update rate
Approx. 0.5 seconds (Except when the PC card or internal memory
is accessed or during RS-232C communications)
Display range
Voltage/current: 0.4% to 130% of the range (zero-suppressed at be-
low 0.4%)
Power: 0% to 130% of the range (zero-suppressed when the voltage
or current is zero)
Harmonic level: 0% to 130% of the range
Effective measurement
range
5 to 110% of the range
Display language
Japanese/ English
Display monitor
5.7-inch STN monochrome LCD (320 x 240 dots)
Backlight
Auto OFF/ON/OFF
Contrast
Control using a dial
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