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Tested to power on.
Tektronix TM501 Power Module W/ 5A22N Differential Amplifier Module ~ 33486
$394.99
Tektronix, Current Probe Amplifier, AM 503 w/TM 501 Power Module, Used
$550.00
TEKTRONIX AM 503 CURRENT PROBE AMPLIFIER W/ TM 501 POWER MODULE
$500.00
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