• Country
• Great Britain (UK)

• Manufacturer / Brand
• Heathkit (UK) by Daystrom

• Year
• 1965 ??

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

• Radiomuseum.org ID
• 315689

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

• Number of Tubes
• 2

• Valves / Tubes
• 6AL5 12AU7

• Wave bands
• - without

• Power type and voltage
• Line / Batteries (any type) / 100; 125; 225; 250 / C: 1.5 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Valve Volt Meter VVM IM-28U - Heathkit UK by Daystrom

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 406 x 127 x 127 mm / 16 x 5 x 5 inch

• Notes

• Valve voltmeter supplied as a kit. Similar to the Heathkit IM-13U Valve Voltmeter. Circuit probably similar due to the same valve complement. One 1.5V C cell battery for resistance measurements. With retaining clip for adjustable front location.

  Gerät ist ähnlich IM-13U. Schaltung auf Grund der gleichen Röhrenbestückung wahrscheinlich ähnlich. 1x 1,5 V Batterie Baby C für Widerstandsmessungen.

  Mit Haltebübel für einstellbare Frontlage.

• Net weight (2.2 lb = 1 kg)
• 2.3 kg / 5 lb 1.1 oz (5.066 lb)

• Mentioned in
• -- Schematic (Schematic of the Heathkit Valve Voltmeter Model IM-28U)

• Author
• Model page created by Rudolf Drabek. See "Data change" for further contributors.

• Other Models

• Here you find 55 models, 53 with images and 26 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Heathkit (UK) by Daystrom