Summary: Teardown and calibration checking of a Keithley 480 Picoammeter Dave got from ebay. This was supposed to be a repair and troubleshooting as well, but Murphy had other ideas. Keithley 480 User & Service Manual Forum Topic HERE
Summary: Teardown and calibration checking of a Keithley 480 Picoammeter Dave got from ebay. This was supposed to be a repair and troubleshooting as well, but Murphy had other ideas. Keithley 480 User & Service Manual Forum Topic HERE
