D.C. Vacuum Tube Voltmeter 412A
Hewlett-Packard, (HP); Palo Alto, CA
- Country
- United States of America (USA)
- Manufacturer / Brand
- Hewlett-Packard, (HP); Palo Alto, CA
- Year
- 1958
- Category
- Service- or Lab Equipment
- Radiomuseum.org ID
- 97585
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 3
- Wave bands
- - without
- Power type and voltage
- Alternating Current supply (AC) / 115/230 Volt
- Material
- Metal case
- from Radiomuseum.org
- Model: D.C. Vacuum Tube Voltmeter 412A - Hewlett-Packard, HP; Palo Alto
- Shape
- Tablemodel, high profile (upright - NOT Cathedral nor decorative).
- Dimensions (WHD)
- 185 x 290 x 220 mm / 7.3 x 11.4 x 8.7 inch
- Notes
- VTVM, ranges 0,001-1000mA, 0.001-1000V, 1Ohm-5000MOhm.
- Source of data
- -- Original-techn. papers.
- Author
- Model page created by Joachim Glüder. See "Data change" for further contributors.
- Other Models
-
Here you find 391 models, 359 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
Collections
The model D.C. Vacuum Tube Voltmeter is part of the collections of the following members.
Museums
The model D.C. Vacuum Tube Voltmeter can be seen in the following museums.
Forum contributions about this model: Hewlett-Packard, HP;: D.C. Vacuum Tube Voltmeter 412A
Threads: 2 | Posts: 2
Liebe Sammlerkollegen,
ein Dame aus Köln rief mich an (über Google fand sie das RM und meine Sammlung). Sie hat aus einem Nachlass ein HP 412A und möchte es in gute Hände abgeben. Sie ist erreichbar unter der Adresse
caipi(at)netcologne.de
Ein Foto des Gerätes gibt es auch:
J.G.
Joachim Glüder, 04.Feb.12
Thomas Bavis, 11.Aug.06