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Granville Phillips 274, Glass Tubulated Test Gauge with Single Thoria-coated Iridium Filament


This Granville Phillips Iridium glass ion gauge tube is a test gauge vacuum simulator, pumped down and pinched off at 1 X 10-5 or lower. 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.

Condition: New



Product Number: P104501



Price: $282.80



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


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).

Condition: New



Product Number: P104328



Price: $260.82



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


These Granville Phillips Iridium glass ion gauge tubes have a 3/4 inch Kovar Metal Inlet OD vacuum connection 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).

Condition: New



Product Number: P104329



Price: $210.00



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Granville Phillips 274, Iridium Filament, Bayard-Alpert , 1" Pyrex Port, Glass Ion Vacuum Gauge


These Granville Phillips Iridium glass ion gauge tubes have a 1 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).

Condition: New



Product Number: P104330



Price: $201.60



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Granville Phillips 274, Iridium Filament, Bayard-Alpert , 1" Kovar Metal, Glass Ion Vacuum Gauge


These Granville Phillips Iridium glass ion gauge tubes have a 1 inch Kovar Metal Inlet OD vacuum connection 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).

Condition: New



Product Number: P104331



Price: $226.80



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Granville Phillips 274, Single Iridium Filament, Bayard-Alpert , KF25, NW25, 3/4 in, Glass Ion Gauge


These Granville Phillips Iridium glass ion gauge tubes have a KF25 ISO NW25 Inlet, and a 3/4 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).

Condition: New



Product Number: P104509



Price: $267.12



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Granville Phillips 274, Single Iridium Filament, Bayard-Alpert , 1.33" CF, 3/4 in, Glass Ion Gauge


These Granville Phillips Iridium glass ion gauge tubes have a 1.33 inch CF Conflat Inlet, and a 3/4 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).

Condition: New



Product Number: P104500



Price: $280.00



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IR Granville Phillips 274, Iridium Filament, Bayard-Alpert , 15 mm OD inlet, Pyrex Glass Ion Gauge


These Granville Phillips Iridium glass ion gauge tubes have a 15 mm OD inlet, 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).

Condition: New



Product Number: P104508



Price: $205.80



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Granville Phillips 274, Single Iridium Filament, Bayard-Alpert, 2.75" CF, 3/4 in, Glass Ion Gauge


These Granville Phillips Iridium glass ion gauge tubes have a 2.75 inch CF Conflat Inlet, and a 3/4 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).

Condition: New



Product Number: P104498



Price: $321.30



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Granville Phillips 274, Single Iridium Filament, Bayard-Alpert , 2.75" CF, 1 in, Glass Ion Gauge


These 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).

Condition: New



Product Number: P104499



Price: $308.00



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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