Fluke 792A AC/DC transfer standard repair
Created: 11 February 2017
Repair of Fluke 792A, metrology grade AC/DC transfer standard.
Another HP 3458A repair and Dallas NVRAM replacement to RAMTRON FRAM
Created: 05 January 2017
TEKTRON's endeavors on HP3458A repair and NVRAM modification to battery-free FRAMs.
Wavetek/Datron 4808 multifunction calibrator restoration log
Created: 25 December 2016
Another gem restoration project, 7½-digit Wavetek 4808 multifunction calibrator
Repair log of reader's HP 3458A precision DMM
Created: 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
Created: 02 November 2016
Fix for Tektronix TDS5000B-series scope after HDD OS failure.
Repair of second HP 3458A metrology DMM
Created: 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
Created: 06 September 2016
Repair and testing of Wavetek(Datron) 4920M AC voltmeter standard
Keithley 262 low thermal divider overhaul
Created: 27 August 2016
Repair and service of low thermal nV-divider Keithley Model 262
Keithley 6514 Electrometer repair
Created: 21 August 2016
Fix and teardown of Keithley Model 6514 electrometer
Fluke 720A Kelvin-Varley Divider restoration
Created: 09 August 2016
Fix and testing of primary ratio standard, Fluke 720A KVD
HP 4262A LCR meter restoration and testing
Created: 06 July 2016
Repair of 38-year old vintage LCR meter from HP, Model 4262A
Agilent 4142B semiconductor SMU system repair and usage
Created: 24 March 2016
Teardown and testing of Agilent 4142B, DC parametric analyzer for semiconductor industry
Fluke 5700A calibrator review and service
Created: 23 March 2016
Worklog of service and repairs on Fluke 5700A multi-function calibrator
Datron 4910 series DC voltage reference repair
Created: 19 March 2016
Overview, teardown and repair of Datron 4912 DC standard voltage reference
Keithley Model 2002 8.5-digit DMM repair
Created: 13 March 2016
Repair of 22-year old 8½-digit Keithley Model 2002 Multimeter
Time Electronics 9823 AC-DC calibrator repair
Created: 08 March 2016
Attempt on high-end AC/DC calibrator teardown, repair and adjustments.
Keithley Model 2304A high-speed PSU repair worklog
Created: 24 February 2016
Repair of Keithley high-speed 20V/5A power supply
Datron 1281 DMM repair and calibration worklog
Created: 27 January 2016
Repair and calibration worklog for Datron 1281 8½-digit system DMM
HP 34401A repair and calibration worklog
Created: 17 January 2016
Successful attempt of old HP 34401A 6.5-digit DMM repair. Calibration included.
Repair and review of Guildline 9330 standard resistor
Created: 13 January 2016
Repair attempt of bad 100KΩ standard resistor Guildline Model 9330
Nikkor AF-S 28-70/2.8 lens repair
Created: 03 January 2016
Quick repair of stuck focusing ring on pro-grade Nikkor Zoom, AF-S 28-70mm f/2.8
TEMEX Rubidium frequency standard repair and Trimble GPSDO test
Created: 17 December 2015
Repair of SpectraTime LPFRS Rubidium frequency standards and calibration using Trimble 57964-80 GPSDO module
HP 3245A Universal source repair project
Created: 30 October 2015
Quick and easy repair and teardown of HP 3245A Universal source. Modifications and tweaks included.
HP 3456A digital voltmeter restoration
Created: 23 October 2015
Repair and performance improvements for HP 3456A system multimeter
HP 3458A 8.5-digit metrology-grade DMM restoration
Created: 15 September 2015
Metrology-grade HP/Agilent/Keysight 3458A 8½-digit DMM repair teardown and worklog.
Repair and review of ALTERA Arria II GX FPGA Development Kit (DK-DEV-2AGX125N)
Created: 27 August 2015
ALTERA Arria II GX FPGA Development Kit (DK-DEV-2AGX125N) debug and repair for power issues.
Review and tweaks for Tektronix TLA714 logic analyzer
Created: 15 August 2015
Upgrading Tektronix TLA714 mainframe to use with current software and modules.
Repair experience for Nikon D3 body
Created: 11 July 2015
Repair and partial teardown for dead Nikon D3 DSLR camera body.
Rohde & Schwarz Signal generator SMT03 Repair
Created: 11 March 2015
Repair and teardown of R&S SMT03 signal generator (5kHz-3.0GHz)
Keithley Model 2000 DMM repair log
Created: 04 March 2015
Keithley 2000 service and repair notes article
What's new?
- Project P3459, building high-end DMM by using scrap 3458A parts
- Repair of the Chroma 63204 5.2kW DC load
- Repair of Tektronix P6248 1.5GHz Differential probe
- Repair of Keithley 2425 100W SMU
- Repair of Agilent 3458A Option HFL DMM
- Building 3rd Fluke 5700A "Hulk-III" precision calibrator
- HP/Agilent/Keysight 34420A Nanovoltmeter repair