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11. Specifications
Current *26 *27
Effective
Full scale
value
Resolution
(rms)
Accuracy
DC
Full scale
average
Resolution
value
Accuracy
(avg)
Peak
Full scale
value
Resolution
(pk)
Accuracy
(each of
(Reference
max and
Value)
min)
Hold
*26: The accuracy values are in the case that the output current is 5 % to 100 % of the maximum
current.
*27: For the polyphase system, these are the specifications for the phase current. The DC average
value display cannot be selected.
*28: The accuracy of the peak value is for a waveform of DC or sine wave.
Power *29 *30 *31 *32
Active
Full scale
(W)
Resolution
Accuracy
Apparent
Full scale
(VA)
Resolution
Accuracy
Reactive
Full scale
(var)
Resolution
Accuracy
*29: All in the case of sine wave, 50 V or higher output voltage, and that the output current is 10 % or
higher of the maximum current.
*30: In the polyphase system, these are the specifications for each phase.
*31: In the polyphase system, the all-phase total display is available.
*32: The apparent and reactive powers are not displayed in the DC mode.
*33: For the load with the power factor 0.5 or higher.
*34: For the load with the power factor 0.5 or lower.
244
420LS
Single
560 A / 280 A
0.1 A
DC,
45 Hz to 65 Hz
(1 % of rdg + 1.6 A / 0.8 A)
40 Hz to 550 Hz
(1.4 % of rdg + 1.6 A / 0.8 A)
560 A / 280 A
0.1 A
DC
(|1 % of rdg|+
1.6 A / 0.8 A)
2240 A / 1120 A
0.1 A
DC,
45 Hz to 65 Hz
*28
(|2 % of rdg| + 6.4 A / 3.2 A)
Holds the maximum values of |max| and |min| with the polarity (with the clear
function)
420LS
Single
50400 W
1 W
45 Hz to 65 Hz
*33
(2 % of rdg + 24 W)
63000 VA
1 VA
45 Hz to 65 Hz
(3 % of rdg + 48 VA)
63000 var
1 var
45 Hz to 65 Hz
*34
(3 % of rdg + 48 var)
Polyphase
system
640 A / 320 A
DC,
45 Hz to 65 Hz
45 Hz to 65 Hz
640 A / 320 A
－
0.1 A
－
DC
－
(|1 % of rdg|+
－
1.6 A / 0.8 A)
2560 A / 1280 A
DC,
45 Hz to 65 Hz
45 Hz to 65 Hz
Polyphase
system
57600 W
72000 VA
72000 var
PROGRAMMABLE AC POWER SOURCE
480LS
Single
Polyphase
system
45 Hz to 65 Hz
－
－
－
－
45 Hz to 65 Hz
480LS
Single
Polyphase
system
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