# 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 and I; condition is Each fraction measured, rated operating conditions; maximum permissible error is Greater of absolute value or percentage of true value (per Table 2); scope or member state option is MI-010. Greater-of rule for MPEs, recorded from its source on 2026-08-05.

- **Instrument type:** Exhaust gas analyser
- **Annex:** XII
- **Accuracy class:** 0 and I
- **Condition:** Each fraction measured, rated operating conditions _(our reading, not quoted from the source)_
- **Maximum permissible error:** Greater of absolute value or percentage of true value (per Table 2) _(verified: appears in the quote below)_
- **Scope or member state option:** MI-010. Greater-of rule for MPEs. _(our reading, not quoted from the source)_

## What the source says

> For each of the fractions measured, the maximum error value permitted under rated operating conditions according to point 1.1 of Annex I is the greater of the two values shown in Table 2. Absolute values are expressed in % vol or ppm vol, percentage values are percent of the true value.

## 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/).