Sensor calibrator and test apparatus

Measuring and testing – Instrument proving or calibrating – Volume of flow – speed of flow – volume rate of flow – or mass...

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73 1R, 204427, G01D 1800

Patent

active

052070875

ABSTRACT:
Methods and apparatuses for testing chemical concentrations of fluids (liquids, gases) and for sensors used in such tests; methods and apparatuses for calibrating sensors and, in particular, for calibrating optical fiber sensors, the apparatus in one aspect including a body member with a cavity having gas inlet(s) and outlet(s) and a microporous tube therein for holding a fluid into which an optical probe sensor is insertable.

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