• Country
• United States of America (USA)

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

• Year
• 1971 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 206454

• 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: Timer / Counter 5304A - Hewlett-Packard, HP; Palo Alto

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 160 x 45 x 247 mm / 6.3 x 1.8 x 9.7 inch

• Notes
• This Counter Module can be used with either the 5300A or 5300B mainframes.
  The 5304A measures A and B channels (0 to 10MHz) with 25mV rms sensitivity to 1MHz and 50mV rms to 10MHz.
  Sensitivity, Channel 1 50mV
  Input Impedance, Ch.1 1MOhm
  Input Coupling, Ch 1 AC,DC
  Minimum Frequency, Ch. 2 100Hz
  Maximum Frequency, Ch. 2 10MHz
  Sensitivity, Channel 2 50mV
  Input Impedance, Ch. 2 1MOhm
  Input Coupling, Ch 2 AC,DC.

• Net weight (2.2 lb = 1 kg)
• 1.4 kg / 3 lb 1.3 oz (3.084 lb)

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

• Author
• Model page created by Pius Steiner. See "Data change" for further contributors.

• Other Models

• Here you find 392 models, 360 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