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Specialized - Gauge Tube ·Gauge

IOG17

Bayard-Alpert ultra-high-vacuum ionization gauge head designed for very-low-pressure measurement with published nitrogen sensitivity and selectable emission current.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
-

Description

Bayard-Alpert ultra-high-vacuum ionization gauge head. Electrical ratings, heater data, operating limits, and published characteristics are captured from the supplied datasheet.

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
-
Nominal heater current
-
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/characteristics are also preserved as parameter rows.

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 01

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Gauge

Other

  • range

    3 torr

    range 10=3 torr to 101 torr; sensitivity approx. 12 per torr.

  • range

    101 torr

    range 10=3 torr to 101 torr; sensitivity approx. 12 per torr.

  • range

    12 per torr

    range 10=3 torr to 101 torr; sensitivity approx. 12 per torr.

  • Pressure range

    10710 torr

    Pressure range 1073 t0 10710 torr

  • Sensitivity (for nitrogen) approx

    12 per torr

    Sensitivity (for nitrogen) approx. 12 per torr

  • Emission current range luAto75 mA

    75 mA

    Emission current range luAto75 mA

  • 28V T

    28 V

    28V T

  • Grid voltage, in combination with fil

    1 V

    Grid voltage, in combination with fil. 1 Vo +145 V

  • Grid voltage, in combination with fil

    145 V

    Grid voltage, in combination with fil. 1 Vo +145 V

  • in combination with fil

    178 V

    in combination with fil. 2 +178 V

  • measurement

    100 uA

    measurement 100 uA, 1 mA or 10 mA

  • measurement

    1 mA

    measurement 100 uA, 1 mA or 10 mA

  • measurement

    10 mA

    measurement 100 uA, 1 mA or 10 mA

  • outgassing

    75 mA

    outgassing 75 mA

  • Pressure (filament litt) max,

    1073 torr

    Pressure (filament litt) max, 1073 torr

  • Emisssion current max

    75 mA

    Emisssion current max. 75 mA

  • Grid input power max

    40 w

    Grid input power max. 40 w

  • 1200177 s!

    1200177 s

    1200177 s!

  • 1,,=100uA at Vg=145V

    100 uA

    1,,=100uA at Vg=145V 100uA at Vg=178v

  • 1,,=100uA at Vg=145V

    145 V

    1,,=100uA at Vg=145V 100uA at Vg=178v

  • 1,,=100uA at Vg=145V

    178 v

    1,,=100uA at Vg=145V 100uA at Vg=178v

  • I=ImA at Vg=145V

    145 V

    I=ImA at Vg=145V

  • =10mA at Vg=178V

    10 mA

    =10mA at Vg=178V

  • =10mA at Vg=178V

    178 V

    =10mA at Vg=178V

  • Ix=75mA at Vg=550v

    75 mA

    Ix=75mA at Vg=550v

  • Ix=75mA at Vg=550v

    550 v

    Ix=75mA at Vg=550v

  • 6 Vg (V)

    6 V

    6 Vg (V) 8