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Condition:
  New
Part Number:
  P104328
Warranty:
  Against Product Defect

Available Now:  5   Granville Phillips 274, Iridium Filament, Bayard-Alpert , 3/4" Pyrex Port, Glass Ion Vacuum Gauge 260.82


Sale: $260.82


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Granville Phillips 274, Iridium Filament, Bayard-Alpert , 3/4" Pyrex Port, Glass Ion Vacuum Gauge


IR Iridium Filament Granville Phillips Glass Ion Gauge Tube, Bayard-Alpert Style, 3/4 inch Pyrex inlet Port, Vacuum Pressure Gauge GP PN 274002

These Granville Phillips Iridium glass ion gauge tubes have a 3/4 inch OD vacuum connection Pyrex Glass port and an operating range from 1x10-3 to 2x10-10 Torr. These ion gauge tubes are compatible with most modern hot cathode ion gauge tubes. They have a sensitivity of 10 Torr-1 and standard operating voltages (collector 0 VDC, Grid +180 VDC, filament -30 VDC with 5 VAC).

The Granville Phillips thoria coated iridium (IR) filament configuration can be used in any clean application, but is particularly practical in potentially oxygen rich environments. All IR filaments have a thoria coating, which increases electron emission to approximately the same level as tungsten filaments. Iridium filaments, however, can be strongly degraded by metallic or organic contaminants, resulting in poor accuracy (filaments are easily poisoned by oil back-streaming from diffusion or mechanical vacuum pumps). Thoria coated IR is very resistant to oxidation, and can even tolerate brief exposure to atmosphere during operation and will not damage or shorten the filament life.

Iridium ion gauge tubes can be typically identified by the single white "hair-pin" shaped filaments and have four external leads at the plug end. This Granville Phillips gauge tube works with most hot cathode ion gauge controllers made by Granville Phillips, MKS Instruments, Perkin Elmer, Varian, & Veeco.

Typically Works With:
Granville Phillips Models 260, 270, 280, 303, 306, 307 330, 340 ,350, and others.
MKS Instruments 290, 919, 929
Perkin Elmer DGC3
Varian 831, 836, 842, 844, 845, 880, 971-0003, 971-0014, 971-1008, Multi-Gauge, Varian 571 Tube K2471301
Veeco RG2, RG3, RG21, RG31, RG81, RG83, RG84, RG830, RG840, RG1000, RG1002


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PDF Logo Granville Phillips 370 Series Stabil-Ion Guage Specs and Brochure.pdf

PDF Logo Granville Phillips 274 Bayard-Alpert Ionization Gauge Tube Data Sheet.pdf

PDF Logo Granville Phillips 270Ionization Gauge Controller Instruction Manualpdf



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CONTACT US
Ideal Vacuum Products, LLC
5910 Midway Park Blvd NE,
Albuquerque, NM 87109-5805

Phone: (505) 872-0037
Fax: (505) 872-9001
info@idealvac.com



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