Data set 01
1947 Westinghouse
Published operating points and test conditions from this source.
SECTION 1
Gauge
Characteristic
MinimumMeasurablePressure
1e-8 mmHg
Application
Application
IonizationVacuumGauge text
Specialized - Gauge Tube ·Gauge
5966
Westinghouse 5966 hot-cathode ionization vacuum gauge with dual tungsten filaments (one spare), used for ultra-high-vacuum pressure measurement down to 10^-10 mmHg.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 6 V / 2.5 A
Description
Special pure-tungsten-filament triode for ionization vacuum-gauge service.
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater voltage
- 6 V
- Nominal heater current
- 2.5 A
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
Terminal pinout
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
Section ratings
1 physical section, each with unique specifications.
Section 1
Gauge
X-ray radiationInterelectrode capacitances
No fixed ratings are recorded for this section.
Westinghouse 5966 hot-cathode ionization gauge, not an amplifier triode. NO conventional plate; prior max_plate_voltage 4500 V erroneous and cleared. Maximum grid +500 V, ion collector -100 V, max gas pressure 10^-3 mmHg, max ambient 100°C. Typical grid +150 V, ion collector -30 V, grid current 10 mA, sensitivity 1 µA per 10^-5 mmHg; pressure down to 10^-10 mmHg. Direct tungsten filament 6 V 2.5 A; second spare filament. Outgassing only: grid/collector tied at +500 V max, filament series 15 V max or parallel 7.5 V max, outgassing power 100 W max. Gauge section represents one ionization-gauge structure, not a normal triode.
Source-dependent data
Operating conditions by source
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.