Ac Voltage Checks - Fluke 8508A User Manual

8508A
Users Manual

AC Voltage Checks

The Calibrator can deliver a lethal electric shock.
To avoid electric shock when performing the following calibration
procedures:
Equipment Configuration
1. Ensure that the calibrator output is set to
2. Connect the equipment as described for Routine Calibration.
3. Press the
4. Press the
5. Confirm that the 8508A is configured for internal guard (External Guard is
Procedure
Repeat the following sequence for each range, starting with the 200mV range and
working up to the 1kV range, as listed in Table 6-9.
1. Select the required 8508A range.
2. On the 8508A press
3. On the calibrator set the output to the voltage and frequency for the point being
4. Note the 8508A reading. Compare the result with the allowable tolerance, taking into
5. Repeat steps 2 – 4 for each point to be verified on the 8508A range to be verified.
6. Repeat steps 1 – 5 for each 8508A range to be verified.
7. Set the calibrator output to
6-34
Never touch any lead or terminal unless you are absolutely certain
that no dangerous voltage is present.
Make sure that signal leads are in a safe condition before you
handle them in any way.
Guard ( is deselected).
EXT GRD
key
ACV
key. Select
CONFIG
deselected) by checking that the
display.
CONFIG
verified as listed in Table 6-9.
verified as listed in Table 6-9. Set the output to
account any known error from nominal of the calibrator for this output.
XW Warning
STANDBY
and .
Tfer On RESL6
legend does not appear on the left-hand
Ext Grd
and select the appropriate filter for the point being
OPERATE
.
STANDBY
and configured for Internal
.