Specialized - Gauge Tube ·Gauge
Hot-filament ionization gauge tube designed for measuring low and very low gas pressures in laboratory and industrial vacuum systems.
Ionization gauge tube for measuring low or very low gas pressures.
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.
Published ratings and characteristics promoted where clearly stated; identical repeated sections compressed where applicable.
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.
Heater or filament voltage
4.3 V
Published nominal or stated operating value
Heater or filament current
3.8 A
Published nominal or stated operating value
Pressure measurement range
1e-10 to 0.0001 Torr
Published useful range
Ion-gauge sensitivity
750 uA/Pa
Dry-air calibration; representative published condition