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#PART NUMBERDESCRIPTIONPRICE ▲ STOCKSHOPCCSC
1AM503Tektronix AM503 Current Probe Amplifier Instruction Manual$22.95☺︎Skycraft Surplus🇺🇸FL
2AM503Tektronix AM 503 / AM503 Current Probe Amplifier Plug-in Module, AS-IS$50.00☺︎Toronto Surplus & Scientific🇨🇦ON