21 C.F.R. § 868.1670
Neon gas analyzer.
Cite as 21 C.F.R. § 868.1670 (2026)
(a) Identification. A neon gas analyzer is a device intended to measure the concentration of neon in a gas mixture exhaled by a patient. The device may use techniques such as mass spectrometry or thermal conductivity. (b) Classification. Class II (performance standards).