• Country
• United States of America (USA)

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

• Year
• 1968 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 165027

• Wave bands
• - without

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Thermistor Mount "Probe" 478A - Hewlett-Packard, HP; Palo Alto

• Dimensions (WHD)
• 35 x 70 x 0 mm / 1.4 x 2.8 x 0 inch

• Notes
• In diesem Messkopf wird die am N-Stecker eingespeiste HF-Energie in Wärme umgewandelt und im angeschlossenen Power Meter z.B. HP 431C angezeigt. Frequenzbereich: 10 MHz - 10 GHz, Messbereich 1µW - 10mW.

• Net weight (2.2 lb = 1 kg)
• 0.150 kg / 0 lb 5.3 oz (0.33 lb)

• Author
• Model page created by Gerhard Dietrich. 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