Tag Archives: HP/Agilent

HP 3468A Battery Replacement

The HP 3468A multimeter repaired in the last post uses something called “closed-case” or software calibration.  Instead of making physical adjustments to controls inside, calibration involves applying known reference levels and having the meter store calibration constants.  These are essentially … Continue reading

Posted in How-To, Repair | Tagged , | 23 Comments

HP 3468A Bench Multimeter Repair

Hewlett-Packard has built a reputation for quality bench multimeters every bit as impressive as Fluke has for the handheld variety. Nowadays they’re called Agilent, but this unit has the HP nameplate on it, and date codes on the parts inside … Continue reading

Posted in Repair, Teardown | Tagged , | 25 Comments