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CVC GIC-017-2 Ionization Tube

CVC GIC-017-2 Ionization Tube
Ionization gauge tubes are hot cathode gauges of the Bayard Albert type and are intended for pressure density measurement. These tubes have been designed to provide a long trouble-free operation. A regulated electron current of 10 mA is emitted from a heated filament. The electrons are attracted to the helical grid by a DC potential of about +150 volts. Most of the electrons pass through the grid and collide with gas molecules in the enclosed volume, causing a fraction of them to be ionized. The gas ions formed by the electron collisions are attracted to the central ion collector wire by the negative voltage on the collector (typically a minus 30 volts). Ion currents are on the order of 1 mA/Pa. This current is amplified and displayed by a high-gain-differential amplifier/electrometer.   $69.00. (1020763)
CVC GIC-017-2 Ionization Tube
Ionization gauge tubes are hot cathode gauges of the Bayard Albert type and are intended for pressure density measurement. These tubes have been designed to provide a long trouble-free operation. A regulated electron current of 10 mA is emitted from a heated filament. The electrons are attracted to the helical grid by a DC potential of about +150 volts. Most of the electrons pass through the grid and collide with gas molecules in the enclosed volume, causing a fraction of them to be ionized. The gas ions formed by the electron collisions are attracted to the central ion collector wire by the negative voltage on the collector (typically a minus 30 volts). Ion currents are on the order of 1 mA/Pa. This current is amplified and displayed by a high-gain-differential amplifier/electrometer.   $69.00. (1020763)
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