Tube-number record
VTP 6343
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BrandVacuum Tube Products
ClassThermocouple Vacuum Gauge Tube
BaseOctal
Filament— V @ 17 mA
Construction
Primary TypeOther / special
EnvelopeAll metal
SectionsSingle
Filament / Heater
Heater NotesCalibration current for 10mV output under hard vacuum varies per tube
Absolute Maximum Ratings
Audio Performance
Key Features
- All metal construction
- Projection welding assembly
- Ruggedized design
- Fast response
- Suitable for leak detection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Hard Vacuum | — | — | — | — | — |
Application Notes
Used for absolute pressure measurement and leak detection by probing with materials such as acetone. A reliable reading requires a stabilized power source.
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