150mm rectangular CRT, internal graticule scale Vertical sensitivity: 5mV/div to 5V/div (all bandwidths) 0.5mv/div to 2mV/div (5MHz, Mag x 10) variable in 10 steps 1-2-5 sequence Maximum input 600V (DC + AC peak to peak)...

Guaranteed to work but it may need calibration. I only know enough to turn it on make show some waves. I don't have a manual or any paperwork for it and maybe it needs calibration, I don't knw, hence the low price. Form...