Bayard-Alpert Guage Vacuum Measurement Ionization Tubes Nude

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Vacuum Measurement
Ionization Guage Tubes - Nude Ionization - Bayard-Alpert Guage

Bayard-Alpert Guage

Features
High Temperature UHV compatible Del-Seal™ CF flange Replaceable filaments

Vacuum Specifications
Vacuum Range	10^-3 to 4x10^-10 Torr
Maximum Operating Pressure	1x10^-3 Torr
Sensitivity ±20%	10 Torr
X-ray Limit	4x10^-10 Torr
Construction Specifications
Flange	304ss
Grid	Tungsten
Filament	Single: Iridium Dual: Tungsten
Collector	Tungsten
Shield Coating	Stainless Steel
Base Leads	Kovar, 0.060" dia.
Collector Lead	Kovar, 0.060" dia.
Operating Specifications
Collector	-30 Volts DC
Grid	+150 Volts DC
Filament	+30 Volts DC
Filament Voltage	3 - 5 Volts
Filament Current	4 - 6 Amps
Degas by I2R	70 Watts
Emission	10 mA
Max. Bakeout Temperature	450ºC
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All "In Stock" parts ships same business day as ordered. Lead Time indicates business days. Please Note that cut off time for same day shipment is 1:30 p.m. Pacific Standard Time. Prices and specifications are subject to change without notice. See full terms of sale here.

Drawings download if available are indicated by in the Part Number column. Click on to go to Downloads Page

NOMINAL FLANGE	DESCRIPTION	WT LB	Part Number	UOM	List Price	Net Price	Lead Time	Qty
2-3/4	TWIN TUNGSTEN FILAMENT, BAYARD-ALPERT GAUGE	3/4	432000 REF# BATT	EACH	$390.00	$390.00	15 days
2-3/4	SINGLE IRIDIUM FILAMENT, BAYARD-ALPERT GAUGE	3/4	432002 REF# BAIR	EACH	$348.00	$348.00	15 days

Tube Interchange / Cross Reference Table

Several of the MDC tubes will directly interchange with models of various manufacturers as noted in the Cross Reference Table. While tubes may have identical electrical specifications with tubes from other manufacturers not listed, pin-out dimensions may vary.

	Replacement for			MDC Reference	MDC Part Number
Description	Granville-Phillips	Perkin-Elmer	Varian	MDC Reference	MDC Part Number
SINGLE IRIDIUM FILAMENT, BAYARD-ALPERT GAUGE	274028	-	-	BAIR	432002
REPLACEMENT FILAMENT FOR 432002	274029	-	-	BARI	432003

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