5.3 Measurement specifications
144
Voltage Waveform Peak Value Measurement Specifications
(Upk: Displayed as V pk on panel display)
Integration status display During integration operation RUN lamp lights up
(during external control operation, EXT lamp lights up)
When stopped RUN lamp flashing
(during external control operation, EXT lamp lights up)
Integrated value reset RUN lamp off
(during external control operation, EXT lamp off)
Functions Stopping integration based on integration time setting (timer)
Stopping/starting integration and resetting integrated values based on external control
Displaying the integration elapsed time (displayed as TIME on panel display)
Additional integration by repeatedly starting/stopping integration
Backing up integrated values and the integration elapsed time during power outages
Stopping integration when power returns
Default state Integration time: 10,000 hr., integration operation with the integrated value in the reset state
Auto-range integration: OFF (Fixed-range integration)
External control Input signal level: 0 to 5 V (high-speed CMOS level) or shorted [Lo]/open [Hi]
Constraints During integration operation and while integration is stopped, the following operational
constraints apply until integrated values are reset:
If the instrument protection mode is activated during integration in a fixed range, inte-
gration will be forcibly stopped (causing the RUN lamp to flash, and it will not be possible
to resume integration operation).
Measurement method Measures the voltage waveform’s peak value (for both positive and negative polarity)
based on sampled instantaneous voltage values.
Range configuration
Measurement accuracy ±2.0%f.s. at DC and when 10 Hz f 1 kHz (f.s.: voltage peak range).
Provided as reference value when 0.1 Hz f < 10 Hz and when 1 kHz < f.
Effective measuring range ±5% to ±100% of voltage peak range, however, up to ±1,500 V
Display range Up to ±102% of voltage peak range, however, the value 0 will be displayed if the voltage
RMS value triggers the instrument's zero suppression function.
Over-range display Displays [o.r] when input exceeds ±102% of the voltage peak range.
Default state Voltage peak range: 1.8 kV
Functions External control signal External control terminal
Starts integration
Hi Lo
START/STOP
Stops integration Lo Hi
Resets integrated values Lo interval of at least 200 ms RESET
: Setting and changes allowed −: Setting and changes not allowed
Item During integration operation or while integration is stopped
Measurement range
−
However, during auto-range integration, auto-range
operation is used to determine the current range.
Current input method switching
−
Frequency measurement range
(Zero-Cross Filter)
−
Timeout −
Integration time −
Synchronization source −
Zero Adjustment − (Can be adjusted while integration is stopped.)
D/A output parameters
Number of averaging iterations −
VT ratio −
CT ratio −
RS-232C transfer speed
GP-IB address
LAN
Harmonic analysis order upper limit value −
Voltage range 6 V 15 V 30 V 60 V 150 V 300 V 600 V 1000 V
Voltage peak range 36.000 V 90.000 V 180.00 V 360.00 V 900.00 V 1.8000 kV 3.6000 kV 6.0000 kV
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