Specialized - Gauge Tube ·Gauge
Westinghouse WL-6794 hot-cathode ionization vacuum gauge electrically interchangeable with 5966, with dual tungsten filaments and measurement to ultra-high vacuum.
Special triode ionization-gauge tube for vacuum-pressure measurement from approximately 10^-3 to 10^-7 mm Hg.
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
1 physical section, each with unique specifications.
Section 1
No fixed ratings are recorded for this section.
Westinghouse WL-6794 hot-cathode ionization gauge, electrically interchangeable with 5966, not a conventional triode. NO conventional plate; former max_plate_voltage 500 V was GRID maximum and is cleared. Max grid +500 V, ion collector -100 V, typical grid +150 V, collector -30 V, grid current 10 mA, sensitivity 1 µA per 10^-5 mmHg. Filament 6 V 2.5 A tungsten, second spare filament. Outgassing: grid +500 V max, ion collector tied grid, filament series 15 V max or parallel 7.5 V max, outgas power 100 W max. Vertical mounting, max temp 100°C. Pin1/2 filament1, pin3/7 grid, pin4 NC, pin5/6 filament2, pin8 ion collector.
Source-dependent data
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 01
Published operating points and test conditions from this source.
HeaterVoltageNominal
6 V
Nominal
HeaterCurrentNominal
2.5 A
Nominal
MaximumPlateOrOperatingVoltage
500 V
IonCollectorVoltageMaximumMagnitude
100 V
TypicalIonCollectorVoltage
-30 V
TypicalGridVoltage
150 V