Articles
Calibration of Keithley 6221 AC/DC low noise current source
Author: Illya Tsemenko
Published: 18 March 2017 Service of 100fA-100mA precision low noise current source.
Fluke 792A AC/DC transfer standard repair
Author: Todd M.
Published: 11 February 2017 Repair of Fluke 792A, metrology grade AC/DC transfer standard.
Another HP 3458A repair and Dallas NVRAM replacement to RAMTRON FRAM
Author: TEKTRON
Published: 05 January 2017 TEKTRON's endeavors on HP3458A repair and NVRAM modification to battery-free FRAMs.
Wavetek/Datron 4808 multifunction calibrator restoration log
Author: xDevs.com Team
Published: 25 December 2016 Another gem restoration project, 7½-digit Wavetek 4808 multifunction calibrator
Repair log of reader's HP 3458A precision DMM
Author: Illya Tsemenko
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
Author: Illya Tsemenko
Published: 02 November 2016 Fix for Tektronix TDS5000B-series scope after HDD OS failure.
Repair of second HP 3458A metrology DMM
Author: Illya Tsemenko
Published: 27 October 2016 What is better than 8½-digit 3458A DMM? Two of them! Repair log of 2nd unit.
Wavetek 4920M AC Voltmeter Standard restoration
Author: Illya Tsemenko
Published: 06 September 2016 Repair and testing of Wavetek(Datron) 4920M AC voltmeter standard
Keithley 262 low thermal divider overhaul
Author: Todd M.
Published: 27 August 2016 Repair and service of low thermal nV-divider Keithley Model 262
Keithley 6514 Electrometer repair
Author: Todd M.
Published: 21 August 2016 Fix and teardown of Keithley Model 6514 electrometer
Fluke 720A Kelvin-Varley Divider restoration
Author: Illya Tsemenko
Published: 09 August 2016 Fix and testing of primary ratio standard, Fluke 720A KVD
HP 4262A LCR meter restoration and testing
Author: Illya Tsemenko
Published: 06 July 2016 Repair of 38-year old vintage LCR meter from HP, Model 4262A
Agilent 4142B semiconductor SMU system repair and usage
Author: Illya Tsemenko
Published: 24 March 2016 Teardown and testing of Agilent 4142B, DC parametric analyzer for semiconductor industry
Fluke 5700A calibrator review and service
Author: xDevs.com Team
Published: 23 March 2016 Worklog of service and repairs on Fluke 5700A multi-function calibrator
Datron 4910 series DC voltage reference repair
Author: Todd M.
Published: 19 March 2016 Overview, teardown and repair of Datron 4912 DC standard voltage reference
Keithley Model 2002 8.5-digit DMM repair
Author: Illya Tsemenko
Published: 13 March 2016 Repair of 22-year old 8½-digit Keithley Model 2002 Multimeter
Time Electronics 9823 AC-DC calibrator repair
Author: Illya Tsemenko
Published: 08 March 2016 Attempt on high-end AC/DC calibrator teardown, repair and adjustments.
Repair and tweaks for Fluke 845AB null-meter
Author: Illya Tsemenko
Published: 24 February 2016 Null meter stuff
Keithley Model 2304A high-speed PSU repair worklog
Author: Illya Tsemenko
Published: 24 February 2016 Repair of Keithley high-speed 20V/5A power supply
Datron 1281 DMM repair and calibration worklog
Author: Todd M.
Published: 27 January 2016 Repair and calibration worklog for Datron 1281 8½-digit system DMM
HP 34401A repair and calibration worklog
Author: Illya Tsemenko
Published: 17 January 2016 Successful attempt of old HP 34401A 6.5-digit DMM repair. Calibration included.
Repair and review of Guildline 9330 standard resistor
Author: Illya Tsemenko
Published: 13 January 2016 Repair attempt of bad 100KΩ standard resistor Guildline Model 9330
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