Brand

Used HP / Agilent / Keysight test equipment

Bill Hewlett and Dave Packard started in a one-car Palo Alto garage in 1939, and their first hit was the 200A audio oscillator; Walt Disney Studios bought eight for Fantasia. For the next 60 years HP's instrument side built bench meters, signal generators and spectrum analyzers, and HP's own interface bus became GPIB, standardized as IEEE 488 in 1975. In 1999 HP spun off everything outside computers, storage and imaging as Agilent Technologies. Agilent then split off its electronic measurement business as Keysight, a separation completed on November 1, 2014. That's why one model, like the 34401A, can wear any of three badges. Keysight, based in Santa Rosa, California, still keeps pages and service notes for many obsolete HP and Agilent models.

6 models we cover.