Specialized - Radiation Counter vacuum tubes

GeigerMullerCounter

Neon-filled gamma radiation counter intended for radiation survey and monitoring service. Manufacturer data provide its operating and counting characteristics for detecting penetrating gamma radiation in instrumentation applications.

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IonizationChamber

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.

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FissionCounter

High-temperature guard-ring fission chamber for thermal-neutron detection. Designed for operation to about 500°F, it is ruggedized for severe shock and vibration and provides stable neutron counting across a wide applied-voltage range.

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IonizationChamber

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.

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FissionIonizationDetector

Dual-range thermal-neutron detector usable either as a fission counter or as an ionization chamber. This dual operating principle extends useful neutron measurement across counting and current-measurement regimes.

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IonizationChamber

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.

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IonizationChamber

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.

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IonizationChamber

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.

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IonizationChamber

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.

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IonizationChamber

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.

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GeigerMullerCounter

Neon-filled Geiger-Müller radiation counter for beta and gamma detection. It operates around 900 V and provides a long counting plateau for stable pulse-counting measurements.

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3PIN

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GeigerMullerCounter

Thin-wall organic self-quenching Raytheon Geiger counter for beta and gamma detection. Its thin cathode wall improves beta sensitivity while the self-quenching fill supports discrete radiation-counting pulses.

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0 V

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GeigerMullerCounter

Heavy-wall halogen-quenched Raytheon Geiger counter designed primarily for gamma-radiation detection. Its heavier wall suppresses less-penetrating radiation while the halogen fill provides self-quenching pulse operation.

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GeigerMullerCounter

Raytheon gas-diode radiation counter identified by the manufacturer within its radiation-counter tube section. Available documentation supports Geiger-Müller counter service but provides limited descriptive application detail.

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RadiationDetectorOther

Raytheon gas-diode radiation detector referenced to the manufacturer’s radiation-counter section, but the available source does not establish the exact counting principle clearly enough to classify it more narrowly.

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GeigerMullerCounter

Halogen-quenched Raytheon Geiger-Müller counter for beta and gamma detection, intended for economical prospecting and demonstration instruments. Its self-quenching operation simplifies portable radiation-counting equipment.

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SUBMINIATURE8

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GeigerMullerCounter

Halogen-quenched Siemens Geiger-Müller counter for gamma and neutron radiation. Thermal-neutron measurement uses an external cadmium foil, allowing the detector to distinguish neutron response through converter-assisted operation.

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GeigerMullerCounter

Halogen-quenched Siemens mica-window Geiger-Müller counter for alpha, beta, gamma, and neutron measurements. Its thin window broadens charged-particle sensitivity while retaining response to penetrating radiation.

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Rectifier

Directly heated high-voltage half-wave rectifier designed to supply cathode-ray-tube and associated circuits. Its single rectifying section provides modest current at elevated voltage.

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B4

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4 V

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Rectifier

High-voltage half-wave rectifier intended for television or mains power-supply service. Its single rectifier section emphasizes high inverse voltage and modest current rather than ordinary full-wave operation.

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IO

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2 V

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GeigerMullerCounter

Self-quenching beta/gamma Geiger-Müller counter for radiation detection and measurement. Its gas-filled pulse-counting operation is intended for general-purpose beta and gamma monitoring instrumentation.

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GeigerMullerCounter

Self-quenching beta/gamma Geiger-Müller counter for radiation detection and measurement, providing discrete output pulses for general-purpose counting and monitoring of ionizing radiation.

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GeigerMullerCounter

Subminiature self-quenching Geiger-Müller counter designed for gamma-radiation detection. Its compact construction suits small radiation-monitoring instruments where detector size is constrained.

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