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Condition:
  New
Part Number:
  P104499
Warranty:
  Against Product Defect

Available Now:  3   MKS Granville Phillips 274, Single Iridium Filament, Bayard-Alpert , 2.75 in. CF, 1 in, Glass Ion Gauge. PN: 274008 510.71


Sale: $510.71


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MKS Granville Phillips 274, Single Iridium Filament, Bayard-Alpert , 2.75 in. CF, 1 in, Glass Ion Gauge. PN: 274008


MKS Granville Phillips 274 Single Thoria Coated, Iridium (IR) Filament Glass Ion Gauge Tube, Bayard-Alpert Style, 2.75 inch CF Conflat, 1 inch OD Port, Vacuum Pressure Gauge.
MKS Granville Phillips Part Number: 274008

These MKS Granville Phillips Iridium glass ion gauge tubes have a 2.75 inch CF Conflat Inlet, and a 1 inch vacuum connection port with 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 MKS 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 MKS Granville Phillips gauge tube works with most hot cathode ion gauge controllers made by MKS Granville Phillips, MKS Instruments, Perkin Elmer, Varian, & Veeco.

Typically Works With:
MKS 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 Bayard-Alpert Ionization Gauge Tube Data Sheet.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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