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Tube Database (7,341 tube types · 1,270 archive entries)

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18533 vacuum tube outline illustration

Tube-number record

18533

0 archive entries

18533 is a tube type in the TubeDatabase archive (class: Radiation Counter Tube). Recorded specifications: brand PHILIPS, construction Other / special, socket Noval (B9A), and maximum plate voltage 350 V. The archive does not yet hold a photographed example of this type.

BrandPHILIPS
ClassRadiation Counter Tube
BaseNoval (B9A)

Construction

Primary TypeOther / special
EnvelopeThin glass wall
Sections1

Filament / Heater

Absolute Maximum Ratings

Plate Voltage350 V

Audio Performance

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Radiation Counter400 V—2700000——

Application Notes

The tube may be dipped into liquids for beta and gamma radiation measurement.

Datasheets

Datasheet: 18533.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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    Key Features
    • Halogen quenched
    • Thin glass wall
    • Beta and Gamma radiation measurement
    • Immersion proof (can be dipped into liquids)