95x Series Operating Manual - May 17, 2022
Page
55
of
155
Opt. AC-30 : 120 to 30000Vrms
For line voltages below 115V linearly reduce the maximum test voltage by 1%/V
unless Opt. LOLINE is fitted (there is no reduction for Opt. LOLINE).
Test Voltage Accuracy
<(± 0.5% ± 1.5V ± (0.01% + 0.2V) per mArms load ± 0.01% per Hz above 100Hz)
955i and 957i Opt. AC10 : Add ±0.1% above 7000Vrms
Opt. AC-30 : <(± 1.5% ± 5V ± (0.05% + 1V) per mArms load)
Test Voltage Overshoot
<5% (<0.5s ramp time)
<2% (>0.5s ramp time)
Settling to <±0.5% of final value in <0.1sec + 2 cycles
Test Voltage Waveform
Sinewave, 1.35
–
1.46 Crest Factor
Test Frequency Range
951-4i and 957i : 20 to 500Hz
955i and 957i Opt. AC10 : 40 to 500Hz
Opt. AC-30 : 40 to 80Hz
Test Frequency Accuracy
<±0.1%
CURRENT MEASUREMENTS (DUT ISOLATED)
Measurements are performed in the
RETURN
terminal of the 95x.
Breakdown Current
1uA to 280mApk (DC-50kHz bandwidth)
<(± 1% ± 1uA) accuracy
<30usec detection time, <3msec response time (typically <500usec)
Leakage Current
0.0nA to 200mArms (RMS, In-phase or Quadrature)
Greater of 1 cycle or 10ms measurement period
RMS : <(± 0.5% ± 10nA ± 0.15nA per kV*Hz) accuracy
InPhs : <(± 0.5% ± 10nA ± 0.01nA per kV*Hz) accuracy
Quad : <(± 0.5% ± 10nA ± 0.15nA per kV*Hz) accuracy
Add 0.005% per Hz above 100Hz
955i and 957i Opt. AC10 : Add 50nA (RMS, InPhs and Quad) above 7000Vrms
<±0.005° per Hz phase relative to test voltage (InPhs, Quad)
Arc Current
1 to 30mArms (50KHz-5MHz bandwidth)
<(± 10% ± 1mA) accuracy at 1MHz
4us, 10us, 15us, 20us, 30us or 40us measurement period
Cable Compensation
<(± 1% of error ± 0.01pF)
CURRENT MEASUREMENTS (DUT GROUNDED, OPTION HSS ONLY)
Measurements are performed in the
HV
terminal of the 95x.
Breakdown Current
1uA to 50mApk (DC-50kHz bandwidth)
<(± 1.5% ± 1uA) accuracy
<30usec detection time, <3msec response time (typically <500usec)
Leakage Current
0.0nA to 35mArms (RMS, In-phase, or Quadrature)
Greater of 1 cycle or 10ms measurement period
RMS or Quad : <(± 1.5% ± 100nA ± 10nA per kV*Hz) accuracy
InPhs : <(± 1.5% ± 100nA ± 1nA per kV*Hz) accuracy
