Passive Ion Gauge Bayard-Alpert

The AML AIG nude ionization gauge is a high-sensitivity UHV Bayard-Alpert gauge covering the vacuum range of 3×10-11 to 1×10-3 mbar and is intended for electron-bombardment degas. It has an NW35CF flange with in-dividual glass compression seals, closed-end grid and a choice of filament materials.

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Features

Wide measuring range 3×10-11 to 1×10-3 mbar

Replaceable twin Tungsten, Thoria or Yttria-coated Iridium filaments

Individual glass compression seal around each feedthrough pin are more economical and
robust than ceramic, resulting in a less expensive and more rugged gaugehead, with the
central collector pin inherently guarded against leakage currents by the grounded bulk of the
flange

The molybdenum grid has a closed-end, light, rigid structure, resulting in high sensitivity. The X-
Ray induced electron desorption current at the collector is minimized by geometry and screening

Connector pins are gold-plated, shrouded and polarized. Gold plating ensures that oxidation
on the air-side cannot occur even after repeated bakeouts

Maximum bakeout temperature 450 °C. Sensitivity 19 per mbar for nitrogen. X-Ray asymptote
3×10-11 mbar

RoHS compliant

Specifications

MODELS DESCRIPTION
AIG17G UHV BA Ion Gauge, Tungsten Filaments
AIG18G UHV BA Ion Gauge, Thoria Coated Filaments
AIG19G UHV BA Ion Gauge, Yttria Coated Filaments
RELATED PRODUCTS
NGC3 Ion Gauge Controller with Active Gauge Input
High-accuracy Ion Gauge controller that offers integrated pressure measurement and control of Ionisation and Active gauges.
Ion Gauge Cables
AIGL 250°C Bakeable cables for use with AIG ion gauges.
Ion Gauge Filaments
Replacement dual filament assemblies for AML ion gauges. Thoria or Yttria coated Iridium and Tungsten.
Copper Gaskets
Electrolytically refined oxygen-free high thermal conductivity (OFHC) Copper Gaskets for CF Flanges. Impermeable to gases and able to withstand moderatly high temperatures.
CF Hex Head Bolt & Nut Sets
These stainless steel bolt sets fit clearance (through-hole) CF flanges.

Not sure if Ultra-High Vacuum will work for your application?
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Buyers’ Guide
Contact Ian

Not sure if Ultra-High Vacuum will work for your application?
Our specialists are happy to help.

Buyers’ Guide
Contact Ian

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