Command Summary 5
Keysight 3458A Calibration Manual 87
– The OHMS autocal performs specific enhancements for 2- or 4-wire ohms,
DCI, and ACI measurements.
– Always disconnect any AC input signals before you perform an autocal. If you
leave an input signal connected to the multimeter, it may adversely affect the
autocal.
– The autocal constants are stored in continuous memory (they remain intact
when power is removed). You do not need to perform autocal simply because
power has been cycled.
– The approximate time required to perform each autocal routine is:
– If power is turned off or the Reset button is pushed during an ACAL, an error is
generated. You must perform an ACAL ALL to recalculate new calibration
constants.
– Related commands: CAL, SCAL, SECURE
Example
OUTPUT 722;"ACAL ALL,3458" !RUNS ALL AUTOCALS, SECURITY CODE IS 3458!
(FACTORY SECURITY CODE SETTING)
ALL: 14 minutes
DCV: 2 minutes and 20 seconds
AC: 2 minutes and 20 seconds
OHMS: 10 minutes
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