Mercury1000 MutualGm TubeTester +Charts +Manual ~ Premium Edition ~ MatchTubes!

Description

vintage mercury 1000 vacuum tube tester, deluxe premium model w/ pin straighteners
tests for dynamic mutual conductance (gm) shorts and gas, w/ an easy to read gm micromhos meter
the pristine meter moves smoothly and the test levers are crisp like new w/ no wear
the sockets are tight in very clean condition, and would be great for a socket saver install
the front handle is in very nice condition and one of the best condition cases weve ever found
includes fragile original tube chart as well as key update supplement document plus notice pamphlet
all bulbs light up and underside is very clean, and the gm tube test works as seen in photos
per the manual,
never gm test a shorted tube! via indicator light / shorts test should be first step
also includes owners manual printout and calibration guide (for those who want to fine tune the unit)
ships well packed fast