• Country
• United States of America (USA)

• Manufacturer / Brand
• Precise Development Corp.; Oceanside, Mineola, NY

• Year
• 1955 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 133543

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 2

• Valves / Tubes
• 6X4 5U4G

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 117 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Mutual Conductance and Emission Tube Tester 111K - Precise Development Corp.;

• Shape
• Tablemodel, with any shape - general.

• Notes

• Precise 111K can test tubes for both emission and mutual conductance. It can use six different plate voltages, three screen voltages and various signal voltage values. It also can check for gas check and measure filament current. Measuring data is condensed in a roll chart. It also was available factory wired as 111W for $139.95.

• Price in first year of sale
• 69.95 USD

• Mentioned in
• Radio Electronics (U.S. Magazine) (December 1955, page 141)

• Author
• Model page created by Willi Ribbe. See "Data change" for further contributors.

• Other Models

• Here you find 46 models, 45 with images and 14 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Precise Development Corp.; Oceanside, Mineola, NY