4 Calibration Procedures
58 Keysight 33210A Service Guide
– AC Amplitude (high-impedance) Adjustment on page 92
– Low Frequency Flatness Adjustment on page 94
– 0 dB Range Flatness Adjustments on page 96
– +10 dB Range Flatness Adjustments on page 98
– +20 dB Range Flatness Adjustment on page 100
– Calibration Errors on page 103
Closed-Case Electronic Calibration The instrument features closed-case
electronic calibration. No internal mechanical adjustments are required. The
instrument calculates correction factors based upon the input reference value you
set. The new correction factors are stored in non-volatile memory until the next
calibration adjustment is performed. Non-volatile EEPROM calibration memory
does not change when power has been off or after a remote interface reset.
Keysight Technologies Calibration Services
Keysight Technologies offers calibration services at competitive prices. When your
instrument is due for calibration, contact your local Keysight Service Center for
recalibration. See "Types of Service Available" on page 114 for information on
contacting Keysight.
Calibration Interval
The instrument should be calibrated on a regular interval determined by the
measurement accuracy requirements of your application.
A 1-year interval is adequate for most applications. Accuracy specifications will
remain valid only if adjustment is made at regular calibration intervals. Accuracy
specifications are not valid beyond the 1-year calibration interval. Keysight does
not recommend extending calibration intervals beyond 2 years for any application.
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