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

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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Tube-number record

VTP 6535

0 archive entries

VTP 6535 is a tube type in the TubeDatabase archive (class: Thermocouple 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
ClassThermocouple Vacuum Gauge Tube
BaseSpecial / none
Filament— V @ 17 mA

Construction

Primary TypeOther / special
EnvelopePyrex #774 Glass
SectionsSingle

Filament / Heater

Heater NotesNormal heater current is approximately 17.0 mA. All gauge tubes are individually calibrated and marked with the specific heater current required to provide 10 millivolts output.

Absolute Maximum Ratings

Cathode Current

Application Notes

Used for measuring pressures in the range of .1 to 1000 microns. Suitable for all-glass vacuum systems. Can detect leaks by probing with acetone; acetone vapor causes a decrease in output E.M.F.

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Manufacturers

Brands

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    100 mA

    Audio Performance

    Key Features
    • Thermal conductivity gauge
    • Fast response
    • Leak detection capability
    • Pyrex glass construction