Fluke 8505A Teardown and repair worklog
Published: 10 October 2019
Repair worklog of the Fluke 8505A, precision 6½-digit benchtop multimeter from year 1982.
Repair, testing and experiments with Ballantine 1605B
Published: 17 September 2019
Maintenance and experiments with Ballantine AC/DC Autobalance Transfer Standard
Ian Johnston's PDVS2mini prototype review and testing
Published: 09 September 2019
Benchmarking LM399AH-based compact PDVS2mini Precision DC source from Ian Johnston.
Building air-bath thermal Peltier chamber
Published: 07 March 2019
Low-cost take on benchtop thermal chamber with airflow mixing, using Peltier element and PID controller.
Modification of the binding post adapter Fluke 5790A-7001 into Fluke 792A-7004
Published: 13 August 2018
Short article showing how to modify Fluke 5790A-7001 UHF to binding post adapter dongle.
STI SuperLink RX cryocooled RF filter review
Published: 27 January 2018
Experiments with Stirling-type cryocooler unit for active cooling semiconductor devices at 77 Kelvin.
Analysis of the Fluke 8846A custom laser-trimmed resistance networks
Published: 03 October 2017
Look inside of Fluke 8846A's metrology level hermetical precision resistor networks, custom Fluke P/N 2464674 and 2464707.
Project 792X - 10V "FX" reference and Fluke 792A support pack
Published: 27 July 2017
Portable shielded battery power pack and experimental 10V ultra-stable DC Voltage reference build.
Design of MX LTZ1000A DC voltage reference
Published: 23 July 2017
Another approach to design ultra-stable DC Voltage reference, based on Linear LTZ1000 conventional design.
Fluke SL935 heated resistance standard prototype
Published: 28 April 2017
Restoration and benchmarks of unique Fluke SL935 Resistance Standard Prototype.
What's new?
- Peek inside 53-year old voltage standard
- Nanovolt design challenge : Build your own open-source nanovolt-grade DCV meter/detector
- Guildline 6675A resistance bridge review and experiments
- HP/Agilent 66** series system DC power supplies
- Large DIY environmental chamber for DMM/T&M gear testing
- Tale 2 : eBay LTZ1000A reference modules and caveats
- Modification for Fluke 8508A DMM, DIY Option 001
- Fluke 510A AC standard, or how to calibrate HP/Agilent 34401A for ACV ranges