Tube-number record
1B68/VG-13
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BrandThe Victoreen Instrument Company
ClassGeiger-Mueller Counter Tube
BaseFlexible / flying leads
Construction
Primary TypeOther / special
EnvelopeGlass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage850 V
Audio Performance
Key Features
- Beta gamma detection
- Self-quenching
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Geiger Counter | 900 V | — | — | — | — |
Application Notes
Beta-gamma self-quenching counter tube.
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