Tube-number record
VTP 6416
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BrandVacuum Tube Products
ClassThermocouple Vacuum Gauge Tube
BaseOctal
Filament— V @ 600 mA
Construction
Primary TypeOther / special
EnvelopeMetal
Base MaterialMetal
SectionsSingle
Filament / Heater
Heater NotesCurrent varies by individual tube calibration for 10mV output at hard vacuum.
Absolute Maximum Ratings
Cathode Current1000 mA
Audio Performance
Key Features
- All metal construction
- Electrically welded connections
- Ruggedized internal structure
- Indefinite operation at air pressure without damage
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard Calibration | — | — | 0.25 | — | 600 mA |
Application Notes
Used for monitoring fore vacuum on large systems like cyclotrons and accelerators where long life is preferred over response speed.
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