274 Glass Tubulated Bayard-Alpert Type Ionization Vacuum Sensors

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274 glass tubulated bayard-alpert ionization vacuum sensor

Overview

The Granville-Phillips® industry standard 274 Glass Bayard-Alpert Type Hot Cathode Ionization Vacuum Gauges provide good vacuum/pressure measurement at an economical cost. 274 Glass Bayard-Alpert Type Hot Cathode Ionization Vacuum Gauges have a bifilar grid and either a burn-out resistant filament or dual tungsten filaments.

<1.0 x 10^-9 to 0.001 Torr measurement range
3/4 or 1 inch diameter tubulation in Kovar, Pyrex or flanged
Resistance heating or electron bombardment degas
Burn-out resistant filament or dual tungsten filaments
Non-sag bifilar grid
Mates with standard electrical connector

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Products

Compare	Description	Compatibility	rankScore	Fitting Type	Port Size	Filament	Availability	Price
274002 Vacuum Gauge, Glass Bayard-Alpert, Single Thoria-coated Iridium Filament, 0.75 in. Glass Inlet Port $181 Show	274002 Vacuum Gauge, Glass Bayard-Alpert, Single Thoria-coated Iridium Filament, 0.75 in. Glass Inlet Port	UNIVERSAL	1.0	Pyrex glass inlet port	0.75 in.	Single Thoria-coated Iridium	Show	$181
274003 Vacuum Gauge, Glass Bayard-Alpert, Single Thoria-coated Iridium Filament, 0.75 in. Metal Inlet Port $198 Show	274003 Vacuum Gauge, Glass Bayard-Alpert, Single Thoria-coated Iridium Filament, 0.75 in. Metal Inlet Port	UNIVERSAL	1.0	Kovar Metal Inlet Port	0.75 in.	Single Thoria-coated Iridium	Show	$198
274006 Vacuum Gauge, Glass Bayard-Alpert, Single Thoria-coated Iridium Filament, 1.0 in. Metal Inlet Port $302 Show	274006 Vacuum Gauge, Glass Bayard-Alpert, Single Thoria-coated Iridium Filament, 1.0 in. Metal Inlet Port	UNIVERSAL	1.0	Kovar metal inlet port	1.0 in.	Single Thoria-coated Iridium	Show	$302
274007 Vacuum Gauge, Glass Bayard-Alpert, Single Thoria-coated Iridium Filament, 2.75 in. CF, 0.75 in. Port $308 Show	274007 Vacuum Gauge, Glass Bayard-Alpert, Single Thoria-coated Iridium Filament, 2.75 in. CF, 0.75 in. Port	UNIVERSAL	1.0	2.75 in. CF Flange	0.75 in.	Single Thoria-coated Iridium	Show	$308
274008 Vacuum Gauge, Glass Bayard-Alpert, Single Thoria-coated Iridium Filament, 2.75 in. CF, 1.0 in. Port $308 Show	274008 Vacuum Gauge, Glass Bayard-Alpert, Single Thoria-coated Iridium Filament, 2.75 in. CF, 1.0 in. Port	UNIVERSAL	1.0	2.75 in. CF Flange	1.0 in.	Single Thoria-coated Iridium	Show	$308
274012 Vacuum Gauge, Glass Bayard-Alpert, Dual Tungsten Filament, 0.75 in. Glass Inlet Port $163 Show	274012 Vacuum Gauge, Glass Bayard-Alpert, Dual Tungsten Filament, 0.75 in. Glass Inlet Port	UNIVERSAL	1.0	Pyrex glass inlet port	0.75 in.	Dual Tungsten	Show	$163
274013 Vacuum Gauge, Glass Bayard-Alpert, Dual Tungsten Filament, 0.75 in. Metal Inlet Port $186 Show	274013 Vacuum Gauge, Glass Bayard-Alpert, Dual Tungsten Filament, 0.75 in. Metal Inlet Port	UNIVERSAL	1.0	Kovar metal inlet port	0.75 in.	Dual Tungsten	Show	$186
274015 Vacuum Gauge, Glass Bayard-Alpert, Dual Tungsten Filament, 1.0 in. Glass Inlet Port $181 Show	274015 Vacuum Gauge, Glass Bayard-Alpert, Dual Tungsten Filament, 1.0 in. Glass Inlet Port	UNIVERSAL	1.0	Pyrex glass inlet port	1.0 in.	Dual Tungsten	Show	$181
274016 Vacuum Gauge, Glass Bayard-Alpert, Dual Tungsten Filament, 1.0 in. Metal Inlet Port $198 Show	274016 Vacuum Gauge, Glass Bayard-Alpert, Dual Tungsten Filament, 1.0 in. Metal Inlet Port	UNIVERSAL	1.0	Kovar metal inlet port	1.0 in.	Dual Tungsten	Show	$198
274017 Vacuum Gauge, Glass Bayard-Alpert, Dual Tungsten Filament, 2.75 in. CF, 0.75 in. Port $279 Show	274017 Vacuum Gauge, Glass Bayard-Alpert, Dual Tungsten Filament, 2.75 in. CF, 0.75 in. Port	UNIVERSAL	1.0	2.75 in. CF Flange	0.75 in.	Dual Tungsten	Show	$279
274018 Vacuum Gauge, Glass Bayard-Alpert, Dual Tungsten Filament, 2.75 in. CF, 1.0 in. Port $285 Show	274018 Vacuum Gauge, Glass Bayard-Alpert, Dual Tungsten Filament, 2.75 in. CF, 1.0 in. Port	UNIVERSAL	1.0	2.75 in. CF Flange	1.0 in.	Dual Tungsten	Show	$285
274020 Vacuum Gauge, Glass Bayard-Alpert, Single Thoria-coated Iridium Filament, 1.33 in. CF, 0.75 in. Port $279 Show	274020 Vacuum Gauge, Glass Bayard-Alpert, Single Thoria-coated Iridium Filament, 1.33 in. CF, 0.75 in. Port	UNIVERSAL	1.0	1.33 in. CF Flange	0.75 in.	Single Thoria-coated Iridium	Show	$279
274021 Vacuum Gauge, Glass Bayard-Alpert, Dual Tungsten Filament, 1.33 in. CF, 0.75 in. Port $262 Show	274021 Vacuum Gauge, Glass Bayard-Alpert, Dual Tungsten Filament, 1.33 in. CF, 0.75 in. Port	UNIVERSAL	1.0	1.33 in. CF Flange	0.75 in.	Dual Tungsten	Show	$262
274032 Vacuum Gauge, Glass Bayard-Alpert, Single Thoria-coated Iridium Filament, NW25 ISO-KF, 1.0 in. Port $348 Show	274032 Vacuum Gauge, Glass Bayard-Alpert, Single Thoria-coated Iridium Filament, NW25 ISO-KF, 1.0 in. Port	UNIVERSAL	1.0	NW25 ISO-KF	1.0 in.	Single Thoria-coated Iridium	Show	$348
274036 Vacuum Gauge, Glass Bayard-Alpert, Single Thoria-coated Iridium Filament, 15 mm Glass Inlet Port $209 Show	274036 Vacuum Gauge, Glass Bayard-Alpert, Single Thoria-coated Iridium Filament, 15 mm Glass Inlet Port	UNIVERSAL	1.0	Pyrex glass inlet port	15 mm	Single Thoria-coated Iridium	Show	$209
274037 Vacuum Gauge, Glass Bayard-Alpert, Dual Tungsten Filament, 15 mm Glass Inlet Port $193 Show	274037 Vacuum Gauge, Glass Bayard-Alpert, Dual Tungsten Filament, 15 mm Glass Inlet Port	UNIVERSAL	1.0	Pyrex glass inlet port	15 mm	Dual Tungsten	Show	$193