• Country
• United States of America (USA)

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

• Year
• 1965

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 206620

• Number of Transistors
• 12

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Automatic Range Selector 3442A - Hewlett-Packard, HP; Palo Alto

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 6 x 4.75 x 10 inch / 152 x 121 x 254 mm

• Notes
• This is one of a series of input modules for the Hewlett Packard Model 3440A voltmeter. It has three switch-selectable ranges of 10, 100 and 1000 volts along with Auto and Remote switch selections.

• Net weight (2.2 lb = 1 kg)
• 1.75 lb (1 lb 12 oz) / 0.795 kg

• Source of data
• - - Data from my own collection

• Author
• Model page created by Hank Kaczmarski. See "Data change" for further contributors.

• Other Models

• Here you find 393 models, 361 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