Tube-number record
18533
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BrandPHILIPS
ClassRadiation Counter Tube
BaseNoval (B9A)
Construction
Primary TypeOther / special
EnvelopeThin glass wall
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage350 V
Audio Performance
Key Features
- Halogen quenched
- Thin glass wall
- Beta and Gamma radiation measurement
- Immersion proof (can be dipped into liquids)
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Radiation Counter | 400 V | — | 2700000 | — | — |
Application Notes
The tube may be dipped into liquids for beta and gamma radiation measurement.
Datasheets
Datasheet: 18533.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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