| 摘要 |
An instrumentation probe for measuring and recording one or more physical parameters within a fluid duct, such as a nuclear reactor fuel channel, comprises one or more sensors responsive to the parameters to be measured and recorded, each sensor actuating a scribe which cooperates with a recording chart. The recording chart is a drum, disc, tape or like recording device, and is volume driven at a constant speed by an impeller responsive to the fluid flow. No connections to external instrumentation are required.
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