Tube-number record
18505
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BrandPhilips
ClassRadiation Counter Tube
Construction
Primary TypeOther / special
EnvelopeMetal with mica window
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage700 V
Audio Performance
Key Features
- Self quenching
- Mica window
- Alpha radiation detection
- Beta radiation detection
- Gamma radiation detection
- Halogen quenching agent
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Geiger-Müller Plateau | 450 V | — | — | — | — |
Application Notes
Low capacity mounting of the counter tube is required (short connections). To prevent leakage, the tube should be kept dry and well cleaned.
Datasheets
Datasheet: 18505.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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