Richard (Rick) Karlquist said: > I was the R&D project manager for the 5334B in a former life. It was a low > cost counter designed to win the low bid on big military contracts. I had to > throw it together in less than 1 year from start to ship. It is FAR from the > best counter HP made, although not the worst either. It is also now 35 years > old. [I like them. I have a pair collecting data as I type.] It doesn't have a fan so doesn't make any acoustic noise. The display is LEDs so they are unlikely to fade with old age. -------- Don't forget to add in the cost of a GPIB adapter. The Prologix GPIB-USB box is up to $300. ($125 on ebay) Their Ethernet version is $500. Amazon has a similar (USB) unit from NI for $200 and one from Agilent for $180. I don't know anything about what they need for a driver and/or if documentation is available. -------- What's available in modern USB gizmos? No display, no knobs/buttons, no power supply... --------- > SRS was a formidable competitor to HP/A/K due to its unique business model. > I would seriously consider anything they make. What was their business model? What was HP's? -- These are my opinions. I hate spam.