Lakeshore 331 Cryogenic Temperature Controller
Created: 25 April 2021
Teardown and tests of Lakeshore 331 Temperature Controller for cryogenics applications
Building 3rd Fluke 5700A "Hulk-III" precision calibrator
Created: 08 April 2021
Rebuilding Fluke 5700A calibrator from scrap boards with major malfunctions/damages.