Tube-number record
VG1M
0 archive entries
VG1M is a tube type in the TubeDatabase archive (class: Vacuum Gauge Tube). Recorded specifications: brand Tesla Rožnov, construction Other / special, and socket Loctal. The archive does not yet hold a photographed example of this type.
BrandTesla Rožnov
ClassVacuum Gauge Tube
BaseLoctal
Construction
Primary TypeOther / special
EnvelopeGlass
Sections4 constantan-nichrome thermocouples
Filament / Heater
MaterialConstantan-nichrome
Absolute Maximum Ratings
Audio Performance
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Vacuum Gauge Operation | — | — | — | — | — |
Application Notes
The device operates as a resistance bridge. Changes in pressure between 1 mmHg and 10^-3 mmHg affect thermal conductivity, altering the thermocouple temperature and output voltage.
Datasheets
Datasheet: VG1M.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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