Category Archives: Test Equipment

New Toy: Keithley 2015 THD Multimeter

I picked up a new piece of gear for the shop recently, the Keithley 2015 THD Multimeter. It was a fantastic deal – a refurbished and calibrated unit for about 10% of the MSRP. These have been manufactured for about … Continue reading

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HP 1405A Plug-In Mystery: Which Is It?

I’m fixing up an HP 143A Wide-Screen Mainframe Oscilloscope, which has a very big selection of plug-ins to provide a variety of functions. The oscilloscope has symmetrical vertical and horizontal circuits, so it can be used as an X-Y amplifier … Continue reading

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Wanted: Vintage HP 1400-Series Vertical Amplifier Plug-Ins for Oscilloscope

I’m looking for plugins for my HP 143A Wide-Screen Mainframe Oscilloscope which I’m in the process of restoring. I’d love to run it as a 15″ high speed X-Y display, and to do so needs matched vertical amplifier plugins in … Continue reading

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New Toy: HP 143 Wide-Screen Oscilloscope Mainframe Restoration – [Part 1]

At the risk of becoming a test equipment collector, I am picking up a few pieces of vintage test equipment that need some work, but will be very useful pieces of shop gear as well as interesting pieces of history … Continue reading

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