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Why IONIVAC?
Our IONIVAC gauges series, whether passive (IE) or active (ITR) offers the ability to measure into ultra high vacuum. This enables detailed tracking of experiments, and control of the variables in processes.
IONIVAC hot cathode gauges work by having a hot cathode emit electrons which impinge on an anode. The measured gas is thus ionized. The resulting positive ion current is detected through the third electrode and this current is used as the signal which is proportional to the pressure.
The hot cathode ionization sensors offer a wide measurement range of 10-12 to 10-1 mbar (0.75·10-10 to 0.75·10-1 Torr) depending on the type of hot cathode technology used.
IONIVAC ITR 90/200 series
Optimized combination transmitter
The IONIVAC ITR is an optimized combination transmitter. The combination of a hot cathode ionisation sensor (utilising the Bayard Alpert method of hot cathode ionisation) and a Pirani sensor enables vacuum pressure measurements from 5 . 10-10 to 1000 mbar (3.75 . 10-10 to 750 torr).
Two main variants are available:
ITR 90 with single hot cathode filament
ITR 200 with dual filaments to increase the lifespan via inbuilt redundancy. It will automatically switch filaments in the event of failure and indicate that a filament has failed. To further increase the gauge life, it is possible to run a degas program which can re-invigorate the filaments performance.
Continuous pressure measurements from 1 . 10-10 mbar/torr to atmospheric pressure
Compact design with exchangeable cathodes and degas mode
Bakeable sensor to enable UHV measurement
Analogue, display, digital, and profibus interfaces available for simple install
High repeatability within the typical process pressure range of 10-2 to 10-9 mbar
Precise UHV pressure measurements with passive gauging, enabling measurement down to 10-12 mbar/torr
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