Chapter 3 Calibration Procedures
Agilent Technologies Calibration Services
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Note If you calibrate the power supply over the remote interface, you must send the *RST
command to the power supply or turn the power supply off and on again after
performing a calibration to ensure proper power supply operation.
Closed-Case Electronic Calibration
The power supply features closed-
case electronic calibration si nce no internal mechanical adju stm ents are
required for normal calibration. The power supply calculates correcti on
factors based upon the input reference value you enter. The new correction
factors are stored in non-volatile memory until the next calibration adjustment
is performed. (
Non-volatile
me mory does not change when power has been
off or after a remote interface reset.)
Agilent Technologies Calibration Services
W hen your power supply is due for calibration, contact your local Agilent
Technologies Service Center for a low-cost calibration. The Agilent E3633A
and E3634A power supplies are supported on calibration processes which
allow Agi lent Technolo gies to provide this servi ce at com petitive prices .
Calibration Interval
The power supply should be calibrated on a regular interval dete rmined by the
accuracy requirements of your application. A 1-year interval is adequate for
most applications. Agilent Technologies does not recommend extending
calibration intervals beyond 1 year for any application. Agilent Technologies
recommends that complete re-adjustment should alway s be performed at the
calibration interval. This will increase your confidence that the Agilent E3633A
and E3634A will remain within specification for the next calibration interval.
This criteria for re-adjustment provides the best long-term stability.
Automating Calibration Procedures
Y ou can automate the complete verification procedures outlined in this chapter
if you have access to programmable test equipment. You can program the
instrum e nt configurations sp ecified for each test over the remote interface.
Y ou can then enter readback verification data into a test program and compare
the results to the appropriate test limit values.
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