National VP-5220A Oscilloscope – Description National VP-5220A analog oscilloscope, made in Japan (Panasonic/National brand), produced around the early 1980s. It is a classic dual-trace CRT oscilloscope suitable for electronics repair, audio testing, hobby use, or vintage instrument collectors. Main features Dual-channel analog oscilloscope Bandwidth approx. 20 MHz (mid-range model of the VP series) Sensitivity down to 1 mV/div Stable automatic triggering system (“Auto-Fix”) Full trigger modes with TV horizontal/vertical sync Bright CRT display with internal illuminated graticule Reliable construction, typical MTBF around 15,000 hours Originally supplied with probes as standard accessories Condition (example text you can use) The oscilloscope is fully working. Trace is bright and stable, controls respond correctly, and both channels function. Cosmetic condition consistent with age (minor marks possible). Ideal for vintage electronics enthusiasts, repair work, or laboratory decoration.