Notes on Keithley DD-51 dual-line VFD replacements
Published: 15 March 2020 Keithley DD-51 dual-line dot-matrix display replacements and display differences between BOE and Noritake-Itron PCBA.
Ectron 1120 Thermocouple/Voltage-Calibrator repair
Published: 06 June 2019 Repair of small, but very capable low-voltage thermocouple calibrator source.
Fluke 8842A repair and calibration
Fluke 1529 Chub-E4 precision thermometer readout
Published: 24 August 2018 Repair and testing of Fluke/Hart-Scientific 1529 Chub-E4 precision thermometer system.
Fluke 8846A 6.5-digit DMM teardown
Advantest R6581T 8.5-digit DVM/Ohmmeter repair
Keithley 6517A electrometer restoration project
Fluke 5790A AC Measurement Standard repair
Calibration of Keithley 6221 AC/DC low noise current source
Fluke 792A AC/DC transfer standard repair
Another HP 3458A repair and Dallas NVRAM replacement to RAMTRON FRAM
Published: 05 January 2017 TEKTRON's endeavors on HP3458A repair and NVRAM modification to battery-free FRAMs.
Wavetek/Datron 4808 multifunction calibrator restoration log
Published: 25 December 2016 Another gem restoration project, 7½-digit Wavetek 4808 multifunction calibrator
Repair log of reader's HP 3458A precision DMM
Published: 08 November 2016 More 8½-digit 3458A DMMs! Worklog and repair on reader's unit with AC board issues.
Repair and PC HW ugrades for TDS5000B series scope