Hewlett Packard 8591E Spectrum Analyzer 9KHz-1.8GHz. Unit powers on. Fan is quiet. Passes self-test and calibrate. No errors present. “Oven” indication in display shuts off after about 3 minutes from a cold, room temperature start. Display is bright, in focus with no visible burn-in. Unit shows built-in calibration signal O.K. Checked input with a signal generator at various levels and frequencies throughout the instruments bandwidth – O.K. No manual, cables, face cover or handle – taken off by previous user. Purchaser responsible for any calibration, maintenance or repairs if required. As shown.

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