Modification for guarded current output in Fluke 5720A
Published: 27 September 2020
Modification for additional guarded output capability in Fluke 5700A/5720A front panel inteface.
Fluke 742A resistance standards repairs and performance checks
Published: 15 September 2020
Benchmarks and test results of various Fluke 742A resistance standards.
ESI SR1010, SR1030 and SR1050 series resistance ratio transfer standards
Published: 06 September 2020
Benchmarks, teardowns and performance of ESI SR1010, SR1030 and SR1050 hammon dividers.
Acopian AC-DC Linear power supply
Published: 01 August 2020
Review and tests of Acopian Gold series A24MT350 +24V 3.5A linear DC power supply
EIP/PhaseMatrix 578B Locking microwave counter
Published: 01 August 2020
Review and tests of EIP / PhaseMatrix 578B 10Hz - 110 GHz counter with locking capability
Setting up a SZA263/LTFLU voltage reference
Published: 02 December 2019
Introduction to solid-state reference REFAMP design, using Motorola SZA263 or FLUKE/Linear LTFLU.
Calibration procedure and results for xDevs/Fluke 792X 10V DC Reference
Published: 06 November 2019
Calibration methods and reports for xDevs.com's 10V DC reference, built into modified Fluke 792 Power Pack chassis.
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.