Electronic tube and vacuum tube catalog

Base

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Socket code

B9A

Sections

1

Plate

300 V

B9A - Small-button Noval 9-contact

High-pressure ionization chamber designed for gamma-radiation detection. Unlike Geiger-Müller counters, it measures radiation through ionization current rather than avalanche pulses, making it suitable for dose-rate and intensity measurement.

Base

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Socket code

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Sections

1

Plate

800 V

Pulse ionization chamber designed for thermal-neutron detection using a nitrogen-argon gas atmosphere. It produces ionization pulses from neutron interactions for measurement and monitoring of thermal-neutron radiation.

Base

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Socket code

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Sections

1

Plate

800 V

Boron-lined compensated ionization chamber for thermal-neutron detection. Its compensation arrangement reduces response to accompanying gamma radiation, improving selectivity when measuring neutron flux in mixed neutron-and-gamma radiation fields.

Base

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Socket code

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Sections

1

Plate

200 V

BF3-filled uncompensated ionization chamber designed for thermal-neutron detection in the power range of reactor operation. It converts neutron interactions in the boron-containing gas into measurable ionization current for reactor monitoring.

Base

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Socket code

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Sections

1

Plate

1,000 V

Uranium-235 ionization chamber designed for thermal-neutron flux measurement. Neutron-induced fission in the uranium-sensitive material produces ionization signals suitable for monitoring thermal-neutron intensity in nuclear instrumentation systems.

Base

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Socket code

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Sections

1

Heater

0 V / 0 mA

Uranium-235 ionization chamber designed for thermal-neutron flux measurement. Neutron-induced fission in the uranium-sensitive material produces ionization signals suitable for monitoring thermal-neutron intensity in nuclear instrumentation systems.

Base

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Socket code

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Sections

1

Electrically compensated boron-lined ionization chamber for thermal-neutron detection. Adjustable gamma compensation reduces unwanted gamma response, allowing more selective neutron-flux measurement in mixed radiation fields.

Base

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Socket code

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Sections

1

High-temperature boron-lined uncompensated ionization chamber for thermal-neutron detection. Designed for operation to about 500°F, it uses guard-ring construction to reduce insulator leakage and is rugged enough for demanding reactor instrumentation environments.

Base

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Socket code

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Sections

1

Westinghouse compensated ionization chamber for thermal-neutron measurement in very high gamma fields. Continuously adjustable electrical compensation suppresses gamma response while retaining neutron sensitivity, enabling reactor monitoring over a wide flux range.

Base

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Socket code

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Sections

1

Plate

1,500 V

Westinghouse compensated ionization chamber for thermal-neutron detection in strong gamma-radiation fields. Its compensation system reduces gamma-induced current so neutron flux can be measured more accurately in reactor environments.

Base

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Socket code

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Sections

1

Plate

1,500 V

Guard-ring ionization chamber for thermal-neutron detection across a wide reactor flux range. Guard construction minimizes leakage-current errors, supporting reliable current-mode neutron monitoring in nuclear instrumentation.

Base

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Socket code

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Sections

1

Plate

800 V

Compensated ionization chamber designed for thermal-neutron measurement in relatively high gamma backgrounds. Differential compensation reduces unwanted gamma response for reactor-control and neutron-flux instrumentation.

Base

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Socket code

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Sections

1

Plate

1,000 V

Uncompensated ionization chamber for thermal-neutron detection and reactor-control service. It converts neutron-induced ionization into a measurable current for continuous flux monitoring rather than discrete Geiger-style counting.

Base

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Socket code

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Sections

1

Plate

1,000 V

Compensated ionization chamber for thermal-neutron detection in relatively high gamma-radiation fields. Its compensated current output supports reactor neutron-flux monitoring where gamma background would otherwise introduce significant measurement error.