Tube-number record
VTP-7170
0 archive entries
VTP-7170 is a tube type in the TubeDatabase archive (class: Ionization Gauge Tube). Recorded specifications: brand Vacuum Tube Products Co. Inc., construction Other / special, base Medium Moulded flare, socket 7-pin (non-miniature), maximum plate voltage 500 V, and maximum plate dissipation 20 W. The archive does not yet hold a photographed example of this type.
BrandVacuum Tube Products Co. Inc.
ClassIonization Gauge Tube
Base7-pin (non-miniature)
Construction
Primary TypeOther / special
EnvelopeGlass Nonex-Corning #7720
Base MaterialMedium Moulded flare
SectionsTriode structure with 3 filaments
Filament / Heater
MaterialTungsten
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Normal Operation | -30 V | — | — | — | 0.05 mA |
Application Notes
The VTP-7170 is designed for the maximum of reliability and reproduction of accurate readings. The three filaments provide redundancy for large systems.
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