Tektronix 7A13 plug-in, calibrated, with manual

What is for sale: Tektronix 7A13 plug-in, calibrated, with manual

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The answer is, "Maybe they're really more expensive than we are."
Teletek: 100% guaranteed satisfaction. Period.
Good Tektronix 7A13 high bandwidth differential amplifier plug-in for use in 7000-series oscilloscopes. This unit has been calibrated and certified by our NIST-traceable calibration lab and will come with a manual on CD and Certificate of Calibration.
The 7A13 is in very good condition and is guaranteed to be within Tektronix specifications.
As always you may call us at (***)-631-8353 for free advice on this instrument or any other instrumentation requirements you may have.