A gravity-feed, pneumatic-ejection sample changer has been developed. The changer is suitable for both flat and well-type detectors and permits the continuous use of gamma-ray spectroscopy equipment 24 h a day, 7 days a week. The electronic circuitry has a fail-safe feature which stops the operation of the changer if a malfunction occurs. ?? 1973 The American Institute of Physics.
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A pneumatic sample changer for gamma-ray spectroscopy