Keysight 3458A - Page 51

Adjustment Procedures 3
Keysight 3458A Calibration Manual 51
3458A ADJUSTMENT RECORD
Adjusted by _________________________ Date _________________________
3458A serial number or other device ID number _________________________
Previous calibration number (CALNUM? command) _______________ (record this number before adjusting the multimeter)
Adjustments performed
[a]
:
Perform an ACAL OHMS
1. _____ Front terminal offset adjustment
2. _____ Rear terminal offset adjustment
3. _____ DC gain adjustment (DCV standard uncertainty = _______________)
4. _____ Resistance and DC current adjustment (resistance standard uncertainty = _______________)
5. _____ AC adjustment
Multimeter reading Synthesizer setting
AC source
frequency
Execute
command
Adjustment description
Line A _____________________ V 3 V 100 kHz SCAL 1E5 Frequency adjustment
Line B 3 V 100 kHz SCAL 10 Low-freq. voltage reference
Line C _____________________ V 2 MHz SCAL 10 Time interpolator and flatness
Line D _____________________ V 8 MHz SCAL 10 Flatness adjustment
Line E _____________________ V 1 V 100 kHz SCAL 1 Low-freq. voltage reference
Line F _____________________ V 8 MHz SCAL 1 Flatness adjustment
Line G 100 mV 100 kHz SCAL .1 Low-freq. voltage reference
Line H _____________________ V _____________________ V 8 MHz SCAL .1 Flatness adjustment
Internal adjustment temperature (TEMP? command) _____ °C
Calibration number (CALNUM? command) _______________ (record this number after adjusting the multimeter)
Calibration secured _________________________ Unsecured _________________________
[a] Always perform the above adjustments numbered 1 through 4: adjustment number 5 is only required once every 2 years or whenever the
03458-66502 or 03458-66503 PC Assembly has been replace or repaired.