Vacuum Tube Voltmeter 400AB

Hewlett-Packard, (HP); Palo Alto, CA

  • Year
  • 1955
  • Category
  • Service- or Lab Equipment
  • Radiomuseum.org ID
  • 157612

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

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 115; 230 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Vacuum Tube Voltmeter 400AB - Hewlett-Packard, HP; Palo Alto
  • Shape
  • Tablemodel, high profile (upright - NOT Cathedral nor decorative).
  • Dimensions (WHD)
  • 7.25 x 11.25 x 7 inch / 184 x 286 x 178 mm
  • Notes
  • 0.3mV to 300V in 11 ranges, 10Hz to 600KHz, 2% accuracy; 10Mohms input impedance.
  • Net weight (2.2 lb = 1 kg)
  • 6.750 kg / 14 lb 13.9 oz (14.868 lb)
  • Literature/Schematics (1)
  • Electronics, April 1955
  • Author
  • Model page created by Emilio Ciardiello. See "Data change" for further contributors.

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