Teardown of a Keithley 230 Programmable Four-Quadrant Voltage Source
The latest addition to my lab equipment is a Keithley 230 programmable voltage source which can output up to ±100V. […]
Teardown of an Extech 380460 Milliohm Meter
In this blog post, let’s take a look at what’s inside an Extech 380460 miliohm meter.
When to Use An Electrometer?
Electrometer is a piece of highly specialized electronic test equipment. Most of us would naturally associate it with low-level measurements […]
Keithley 197 Teardown and Repair
A few days ago, I bought a Keithley 197 sold as “unknown working condition” on the cheap. The seller said […]
Backup and Flash Firmware using Arduino
A while ago, I did a tear-down of a Keithley 196 bench multimeter. Towards the end of that post I […]
Keithley 196 Firmware/Calibration Data Backup
I bought a used Keithley 196 bench multimeter a few weeks ago. This is a 6 ½ digit 3,030,000 counts […]