The 54501A is a digital oscilloscope with 100Mhz bandwidth and 4 channels. The device is quite feature rich for its era have dedicated measurement functionality for frequency and amplitude analysis. Up to three measurements can be active at any given time. Other notable features include the ability to store four waveforms in nonvolatile memory, autoscaling and averaging using up to 2038 samples
The device is in full working order all be it a bit dirty.
November 12, 2022