Data set 01
1960 Mazda
Published operating points and test conditions from this source.
SECTION 1
Gauge
Other
Grid voltage
200 V
Collector voltage
-50 V
Grid current
10 mA
Specialized - Gauge Tube ·Gauge
F9102
Hot-filament ionization gauge tube designed for measuring low and very low gas pressures, with published collector voltage and calibrated ion-gauge sensitivity.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 4.8 V / 2.5 A
Description
Ionization gauge tube for measuring low or very low gas pressures.
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
- 4.8 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.
Published ratings and characteristics promoted where clearly stated; identical repeated sections compressed where applicable.
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.
Data set 02
1968 Mazda Belvu
Published operating points and test conditions from this source.
SECTION 1
Gauge
Characteristics
Heater or filament voltage
4.8 V
Published nominal or stated operating value
Heater or filament current
2.5 A
Published nominal or stated operating value
Pressure measurement range
1e-10 to 0.0001 Torr
Published useful range
Ion-gauge sensitivity
975 uA/Pa
Dry-air calibration; representative published condition