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Condition:
  New
Part Number:
  P104504
Warranty:
  Against Product Defect

Available Now: 3   Granville Phillips 274, Dual Tungsten, Bayard-Alpert, 1 in. Kovar Metal, Glass Ion Gauge Tube 208


$208.00


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Granville Phillips 274, Dual Tungsten, Bayard-Alpert, 1 in. Kovar Metal, Glass Ion Gauge Tube


Granville Phillips 274, Dual Tungsten Filaments, Bayard-Alpert, 1 in. Kovar Metal, Glass Ion Pressure Gauge Tube, PN 274016

These dual tungsten glass ion gauge tubes have a 1 inch Kovar Metal port vacuum connection 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 hot tungsten filaments react with oxygen to rapidly form tungsten oxide and therefore poor vacuum can rapidly cause catastrophic oxidation of hot tungsten components. They are most practical in environments having little risk of oxygen exposure. However, tungsten filamets are suited for applications where backstreaming of oil from diffusion pumps is heavy.

Dual tungsten filament ion gauge tubes can be identified by two opposing helical filaments and have six external leads at the plug end. Our replacement ion gauge tubes work 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 274 Hot Cathode Ion Gauge Tubes.pdf



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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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