In this video I am switching my HP 3478A from 120V 60Hz AC to 230V 50Hz AC using the internal selection. I am also comparing some voltage and resistance measurements to my Keithley 175 and I realize the HP needs calibration if I am to trust it’s measurements. While I was inside the meter I also checked the voltage of the internal battery used to store calibration data.
Category: Teardown
This category will hold teardown articles.
VoltLog #5 – HP Agilent E3611A Power Supply Teardown and Calibration
I got this HP Agilent E3611A Power Supply from ebay. It was marked as not working and I was planing a repair video on it. Unfortunately the unit turned out to be fully functional so I only did a teardown and calibration.
VoltLog #1 – Gophert CPS 3205C Power Supply Review And Teardown
In this very first episode of VoltLog I’m reviewing the Gophert CPS 3205C 32V 5A Power Supply.
You can purchase the CPS-3205C power supply from Banggood.