Electronic Counter 521C
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Hewlett-Packard, HP;: Electronic Counter 521C [Equipment] ID = 441076 300x295
Select picture or schematic to display from thumbnails on the right and click for download.
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| Year: 1966 ?? | Category: Service- or Lab Equipment | ||||
| Valves / Tubes | 45: |
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| Wave bands | - without |
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| Details | |
| Power type and voltage | Alternating Current supply (AC) / 120 Volt |
| Loudspeaker | - - No sound reproduction output. |
| Power out | |
| from Radiomuseum.org | Model: Electronic Counter 521C - Hewlett-Packard, HP; Palo Alto |
| Material | Metal case |
| Shape | Tablemodel, low profile (big size). |
| Notes | 120 kHz digital frequency counter, uses individual counter modules with individual neon lamps for display. |
| Source of data | -- Collector info (Sammler) |
Model page created by a member from A. See "Data change" for further contributors.
All listed radios etc. from Hewlett-Packard, (HP); Palo Alto, CA
Here you find 355 models, 322 with images and 124 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
