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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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At least 235 records · Page 13

Multiple meter monitoring circuits served by single alarm

Circuitry for multiple meter relay circuits provides complete isolation for each circuit served by a single alarm and permits alarm reset after an out-of-tolerance event in one relay circuit so that the remaining relay circuits continue to be alarm protected.

Bandini, U.↗

Cryogenic quality meter.

Nucleonic cryogenic quality meter design and development and fluid monitoring through hydrogen vent line on Saturn S-IVB stage under orbital conditions

LIQUID HYDROGEN↗

Improved S/N meter

Signal-to-noise ratios /S/N/ meter containing a variable-frequency notch filter measures noise plus interference in the presence of carrier or modulation signals. A noise source and calibration signal source are included in the instrument for calibration purposes.

Windett, C. B.↗