AN/URM-25D SG-85/URM-25D US navy dept RF signal generator set

Description

The AN/URM-25 signal generator was an electronic vacuum-tube radio-frequency (RF) signal generator used during the 1950's and 1960's by the U.S military to test electronic equipment.
Frequency output ranges from10kHz to 50 MHz with amplitude modulation selectable at 400 and 1,000Hz. RF level from 0.1 microvolts to 100 millivolts or 2 volts is available depending on termination load. Output inpedance is 50,500 ohms.
This is info found on the net. PLEASE make sure this is the part you need
Used, not tested.Purchased from a local University where it was used as a classroom example. There is some paint chipping and minor blemishes. As is
Pin. Beach