DC CURRENT ZERO VERIFICATION
No connections to any terminals should be present during these steps. The product prompts for the DC current
zero to be verified at a zero-output voltage level and at a 5000V output level. When prompted for each step the
user should either –
• Press START to perform the verification.
• Press STOP to abort the entire sequence.
During each step, the user should note the displayed current and record it, checking against the 95x specification
of ±0.5nA. When the user is satisfied that the step has been completed, the user should press START to continue
or STOP to abort the sequence.
AC VOLTAGE VERIFICATION
The user should connect an AC Voltage measuring device (equipment #3 in the list above) to the HV (+) terminal
and the GND/GUARD (-) terminal of the 95x. While the 95x prompts whether to verify the voltage there is no
unsafe voltages present so the user may safely make connections and configure the measurement device as
needed. In some circumstances a different measuring device may be used depending on the voltage being
measured. ENSURE THAT THE MEASURING DEVICE AND WIRING IS CAPABLE OF WITHSTANDING THE VOLTAGE
LEVEL PRIOR TO PRESSING THE START SWITCH AT EACH STEP.
The table below shows the fullest listing of the voltages and frequencies requested for verification and the 95x
specification at each level/frequency. When prompted for each step the user should either –
• Press START to perform the verification (the output voltage will be present after pressing this switch).
• Press STOP to abort the entire sequence.
During each step, the user should measure the actual voltage and record it, checking against the 95x specification.
When the user is satisfied that the step has been completed, the user should press START to continue or STOP to
abort the sequence.
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