US-ARMY I-177-B Vacuum Tube Tester Features: True Mutual Conductance Tube Tester Manufactured for US-Army circa late 1940s- early 1950s Tests amplifier tubes on Good/Reject Quality scale and for Mutual Conductance (Gm) in three ranges 3000, 6000 and 15000 uMhos Capable of testing Vintage "antique" vacuum tubes of 40s era. I tested one tube. The unit turns on.
TAMLITE LIGHTING..BALLAST KIT.. MODEL BKMHQ250LMG..250 WATTS MH QUAD TAP..BALLAST KIT C/W HARDWARE AND LAMP..120/208/240/277 VAC..USE 250 WATT M58 OR H37 LAMP ONLY I combine shipping in most of my auctions..
Qmark CUS93505203FF Cabinet Unit Heaters: 208v/ 1ph or 208v / 3ph • Commercial voltage only • Field convertible to single phase - factory field convertible 208v/3 phase to 208v / 1 phase • All 3 phase heaters have a balanced heating load. • Built-in 24 volt thermostat and transformer supplied standard, field convertible to 24 volt wall thermostat. • Throwaway inlet air filter supplied standard.
The HA1 analyzes and tests hermetic compressors at up to 25 amps of running current. Connects directly to the compressor motor eliminating the refrigeration system start capacitor.
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