Programming instructions

32 Chapter 3 Adjustment Procedures
*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.
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:*
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:
Internal adjustment temperature (TEMP? command):
°C
Calibration number (CALNUM? command): (record this number after adjusting the multimeter)
Calibration secured: unsecured:
Multimeter
Reading
Synthesizer
setting
AC source
frequency
Execute
Command
Adjustment Description
Line A V 3V 100 kHz SCAL 1E5 Frequency Adjustment
Line B 3V 100 kHz SCAL 10 Low-freq. voltage reference
Line C V 2 MHz SCAL 10 Time interpolator & flatness
Line D V 8 MHz SCAL 10 Flatness Adjustment
Line E V 1V 100 kHz SCAL 1 Low-freq voltage reference
Line F V 8 MHz SCAL 1 Flatness Adjustment
Line G V 100mV 100 kHz SCAL .1 Low-freq voltage reference
Line H V 8 MHz SCAL .1 Flatness Adjustment