# Exhaust gas analyser — Accuracy classes and maximum permissible errors for trade measuring instruments (EU MID)

For Exhaust gas analyser, annex is XII; accuracy class is 0; condition is CO fraction; maximum permissible error is +/- 0.03 % vol or +/- 5 %, whichever is greater; scope or member state option is MI-010. Class 0 CO fraction MPE, recorded from its source on 2026-08-05.

- **Instrument type:** Exhaust gas analyser
- **Annex:** XII
- **Accuracy class:** 0 _(verified: appears in the quote below)_
- **Condition:** CO fraction _(our reading, not quoted from the source)_
- **Maximum permissible error:** +/- 0.03 % vol or +/- 5 %, whichever is greater
- **Scope or member state option:** MI-010. Class 0 CO fraction MPE. _(our reading, not quoted from the source)_

## What the source says

> ± 0,03 % vol

## Source

- https://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CELEX:32014L0032

Last verified: 2026-08-05. Review by: 2027-08-05.
Part of [Accuracy classes and maximum permissible errors for trade measuring instruments (EU MID)](https://referencesource.org/legal-metrology-accuracy-classes/).