21 CFR § 868.1720 - Oxygen gas analyzer.

---
identifier: "/us/cfr/t21/s868.1720"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 868.1720 - Oxygen gas analyzer."
title_number: 21
title_name: "Food and Drugs"
section_number: "868.1720"
section_name: "Oxygen gas analyzer."
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "H"
subchapter_name: "MEDICAL DEVICES"
part_number: "868"
part_name: "ANESTHESIOLOGY DEVICES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 351, 360, 360c, 360e, 360j, 360 371."
regulatory_source: "47 FR 31142, July 16, 1982, unless otherwise noted."
cfr_part: "868"
---


# 868.1720 Oxygen gas analyzer.

(a) *Identification.* An oxygen gas analyzer is a device intended to measure the concentration of oxygen in respiratory gases by techniques such as mass spectrometry, polarography, thermal conductivity, or gas chromatography. This generic type of device also includes paramagnetic analyzers.

(b) *Classification.* Class II (performance standards).