• Country
• United States of America (USA)

• Manufacturer / Brand
• Hewlett-Packard, (HP); Palo Alto, CA

• Year
• 1961

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 206351

• Number of Tubes
• 6

• Valves / Tubes
• ZM1022 ZM1022 ZM1022 ZM1022 ZM1022 ZM1022

• Number of Transistors
• Semiconductors present.

• Semiconductors

• 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: Electronic Counter 5532A - Hewlett-Packard, HP; Palo Alto

• Shape
• Rack

• Dimensions (WHD)
• 16.75 x 3.5 x 11.5 inch / 425 x 89 x 292 mm

• Notes
• The Electronic Counter 5532A has a 6-digit display with 1"-size Nixie tubes.
  Maximum counting rate: 1.2 MHz
  Frequency measurement: 2 Hz to 1.2 MHz,
  Gate times: 10, 1, 0.1 and 0.01 second
  Input impedance approx. 1 Mohm shunted by 50 pF
  Input sensitivity: 0.1 V rms for sine waves; 1 V for negative pulses, 0.2 µsec pulse width.
  Time base: long-term stability +/- 3 parts in 10E7 per month.
  
  6-stelliger Universal-Zähler mit Nixie Röhren,
  eingebauter Lüfter, Anschluß für Schreiber.

• Net weight (2.2 lb = 1 kg)
• 15 lb (15 lb 0 oz) / 6.810 kg

• Price in first year of sale
• 1,550.00 $

• Source of data
• -- Original-techn. papers.

• Mentioned in
• HP Journal Vol. 12, No. 9, May 1961

• Author
• Model page created by Norbert Haselbach. See "Data change" for further contributors.

• Other Models

• Here you find 394 models, 362 with images and 138 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Hewlett-Packard, (HP); Palo Alto, CA