Passive Gauges

Our range of passive gauges, covering a pressure range of 200 mbar to 3x10-11. Our range includes nude Bayard-Alpert ionization gauges and Pirani gauges.

Ultra High Vacuum Ion Gauges

Ultra High Vacuum Ion Gauges 

Nude Bayard-Alpert ion gauges covering the vacuum range 1 x 10-3 to 3 x 10-11 mBar. They are intended for electron-bombardment degas. Available with a range of filament materials.

Pirani Gauge Heads and Leads

Pirani Gauge Heads and Leads 

Bakeable and non-bakeable Pirani gauges and extension leads for use with AML gauge controllers.

Ion Gauge Filaments

Ion Gauge Filaments 

Replacement dual filament assemblies for AML ion gauges. Thoria or yttria coated iridium and tungsten.