AC Vacuum Tube Voltmeter IM-21E

• Country
• United States of America (USA)

• Manufacturer / Brand
• Heathkit (Brand), Heath Co.; Benton Harbor (MI)

• Year
• 1962–1965 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 106207

• • alternative name: Heath Company

• Picture
• Schematics

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

• Number of Tubes
• 2

• Valves / Tubes
• 6AW8 6EJ7

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110; 230 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: AC Vacuum Tube Voltmeter IM-21E - Heathkit Brand, Heath Co.;

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

• Dimensions (WHD)
• 120 x 180 x 105 mm / 4.7 x 7.1 x 4.1 inch

• Notes
• 4 Dioden, Frequenzbereich 10 Hz bis 500 kHz; 10 Bereiche von 10 mV bis 300 V.
  Frequency range 10 Hz to 500 kHz, 10 ranges from 10 mV to 300 V..
  See also model IM-21. Auch als Bausatz DM 209.-

• Net weight (2.2 lb = 1 kg)
• 1.5 kg / 3 lb 4.9 oz (3.304 lb)

• Price in first year of sale
• 309.00 DM

• Source of data
• -- Collector info (Sammler)

• Mentioned in
• Funk-Technik (FT) (9/1962, S. 324 / Werbeanzeige)

• Other Models

• Here you find 715 models, 699 with images and 506 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Heathkit (Brand), Heath Co.; Benton Harbor (MI)