Model #181A

Special Features
Horizontal amplifier: external output-bandwidth: dc-coupled, dc to 5mhz, ac-coupled, 5hz to 5mhz; deflection factor: 1 v/div in x1; 0.2 v/div in x5; 0.1 v/div in x10; dynamic range: porm 20 v; max input: 600 vdc (ac coupled input); internal sweep-magnifier: x5, x10, accuracy porm 5 pct; calibrator-type: appx 1 khz square wave, 3us rise time; amplitude: 10 v peak to peak, accuracy porm 1 pct; 4 rear panel outputs; 115 watts; max mainframe power 225 va; operating: temp-0/+55 degrees c; humidity-to 95 pct relative hum. To 40 degrees c; altitude-15, 000 ft; vibration (3 planes for 15 min. Each w/0.010 in. Excursion-10 to 55 hz; storage writing speed: gt 20.0 div/ms