Tube-number record
VTP 6440
0 archive entries
VTP 6440 is a tube type in the TubeDatabase archive (class: Pirani Vacuum Gauge Tube). Recorded specifications: brand Vacuum Tube Products, construction Other / special, and socket Special / none. The archive does not yet hold a photographed example of this type.
BrandVacuum Tube Products
ClassPirani Vacuum Gauge Tube
BaseSpecial / none
Filament10 V @ 100 mA
Construction
Primary TypeOther / special
EnvelopeMetal
SectionsDual filaments
Filament / Heater
MaterialPlatinum ribbon
Heater NotesCurrent varies from 100mA normal to 300mA maximum
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Normal Operation | — | — | 60 | — | 100 mA |
Application Notes
Used for measurement of pressures in the range of .1 to 5000 microns. Relatively non-sensitive to radiant heat.
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