• Country
• United States of America (USA)

• Manufacturer / Brand
• National Radio Institute (NRI); Washington, DC

• Year
• 1955 ?

• Category
• Kit (Parts plus instruction) or building instructions only

• Radiomuseum.org ID
• 345907

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

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 115 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Appliance Tester 1AK - National Radio Institute NRI;

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 8.5 x 8.5 x 3 inch / 216 x 216 x 76 mm

• Notes

• Appliance tester described by NRI as a test lamp, series test lamp, ohmmeter, voltmeter, and ammeter.  Can be used as a dim bulb tester.

  Ohmmeter function requires a 7.5v battery source.

• Net weight (2.2 lb = 1 kg)
• 2 lb 0 oz (2 lb) / 0.908 kg

• Mentioned in
• Cat. of Copyright Entries, 3rd Series, V 8, Part 1, Num 2, Books & P'lets, Jul-Dec 1954, LOC, p 1293

• Author
• Model page created by Alonzo Guerrero. See "Data change" for further contributors.

• Other Models

• Here you find 20 models, 20 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from National Radio Institute (NRI); Washington, DC