Scientific Instrument Services, Inc. Supplies and Services for Mass Spectrometers, Gas Chromatographs, and Liquid Chromatographs.

Ion Gauge Tubes, Triode and Mini Bayard-Alpert Type

These Mini Bayard Alpert Style and 8138/29D20 Triode style hot ionization gauge tubes measure a wide vacuum range. Smaller that standard glass Bayard-Alpert gauges, they are ideal for use in analytical instrumentation. Accidental exposure to atmosphere a normal operating temperatures will not damage the gauge because of the use of the thoria coated iridium filaments.

Specifications
Triode Mini B.A.
Range <5 x 10-7 to 5 x 10-2 Torr 5 x 10-8 to 5 x 10-3 Torr
Accuracy +/- 15% -15% to +30%
Mounting Orientation None
Mounting Tubulation 0.75" Kovar
Filament Type Thoria Coated Iridium
Gas Selection Specifications are for air or Nitrogen
Operating Temperature 0 - 50° C, non-condensing
Sensitivity 6.2/Torr 5.2/Torr
Filament Voltage 1.5 to 3.5 Volts
Filament Current 1.75 to 2.25 A
Grid Voltage 120 to 250 VDC
Collector Voltage -20 to -50 V
Emission Current 2 mA
Operating Power 3 to 4 W
Gauge Tube Diameter .0855" max O.D.
Gauge Tube Length 2.8" max, including pins.
Pin Diameter 0.040"
Pin Length 0.275"
UOM=EA
Part No. Description est
wt.		 Quantity
In Stock		 Price Quantity
to order
342003 Triode Style Mini Ion Gauge Tube for HP 5972. 1 0(#)$195.00
342001 GP MINI ION GAUGE .75 KOV 0 0(#)$185.00
(#) Standard lead-time for out-of-stock items is approximately two weeks.
shopping cart Ordering information. International (non-US) prices available through your local dealer.
SIS Catalog Cross Reference
Page #Part Numbers
B10 - Agilent 5971/5972 GCD Accessories by S.I.S.â„¢ 342003
B11 - Agilent 5973/5975 Accessories by S.I.S.â„¢ 342003
B21 - Thermo* Mass Spec Accessories 342003
F4 - Ionization Gauge Tubes 342003
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