If the photograph is clicked, it grows.

HP 8508A Vector Voltmeter
JPY50,000 1stock
jun061





300KHz-2GHz A-ch(Ref)-47dBm(300K-3MHz) -57dBm(3M-2GHz) Bch -87dBm(300K-2GHz)
BW:1KHz acc0.3dB(1-100MHz) Ratio 1dB Phase acc1deg Lock<40ms
40VA 133H425W473D 8.1Kg

Problem
Ch1 Level Down