§ 868.1690. Nitrogen gas analyzer.
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/us/cfr/t21/s§ 868.1690·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(a)Identification. A nitrogen gas analyzer is a device intended to measure the concentration of nitrogen in respiratory gases to aid in determining a patient's ventilatory status. The device may use techniques such as gas chromatography or mass spectrometry.
(b)Classification. Class II (performance standards).