VG1M
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BrandTesla Rožnov
ClassVacuum Gauge Tube
BaseLoctal
Construction
Primary TypeOther / special
EnvelopeGlass
Sections4 constantan-nichrome thermocouples
Filament / Heater
MaterialConstantan-nichrome
Absolute Maximum Ratings
Audio Performance
Key Features
- Vakuova mérka thermoélanková
- Used for rough vacuum measurement
- Bridge circuit configuration
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.
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