Johnson Matthey Public Limited Company

Timothy Hough

Geoffrey Stuart Howe

Paul David Featonby

Kevan Bradley Dales

A detector probe, for detecting ionizing radiation and which is suitable for use in a nucleonic instrument usable in locations having a high ambient temperature, includes an array of radiation detectors mounted on a support and a heat pipe for cooling the detector probe. The nucleonic instrument incorporating such a detector probe is also described.

Radiation detector

A nucleonic density profiler includes a detector probe, for detecting ionizing radiation, includes an array of sources of ionizing radiation, an array of radiation detectors and a circuit board including at least two circuit board portions. A power source and electronic apparatus includes a control unit and a signal and data processor for calculating a density profile of the material phases using signals generated by the detectors in response to radiation received from the radiation sources.

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Durham, United Kingdom

Timothy Hough