502
The 502 is a dual-beam oscilloscope with a high sensitivity of 100 or 200 microvolts/cm, depending on the mode whether differential inputs are used. At 200uV/cm the bandwidth is only 100kHz but at 200mV/cm it rises to 1MHz. There is a 502 and a 502A. There is a transistor-regulated heater supply build in.
Price at July 1959 was $825.
Mod 104 on a 502 provides single sweep lockout.
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502 front view
