# Gas meters and volume conversion devices · Annex IV · class 1,0, durability test, variation of the measurement result — Accuracy classes and maximum permissible errors for trade measuring instruments

For Gas meters and volume conversion devices, annex is Annex IV; condition is class 1,0, durability test, variation of the measurement result; maximum permissible error is one-third of the MPE in point 2, recorded from its source on 2026-09-01.

- **Instrument type:** Gas meters and volume conversion devices _(verified: appears in its own passage below)_
- **Annex:** Annex IV _(verified: appears in its own passage below)_
- **Condition:** class 1,0, durability test, variation of the measurement result _(our reading, not quoted from the source)_
- **Maximum permissible error:** one-third of the MPE in point 2 _(verified: appears in the quote below)_

## What the source says

> The variation of the measurement result after the durability test when compared with the initial measurement result shall not exceed one-third of the MPE in point 2.

## Where each value comes from

This source states these in separate places, so each value is shown with the passage that states it.

### Instrument type

> ANNEX IV GAS METERS AND VOLUME CONVERSION DEVICES (MI-002) The relevant requirements of Annex I, the specific requirements of this Annex and the conformity assessment procedures listed in this Annex, apply to gas meters and volume conversion devices defined below, intended for residential, commercial and light industrial use.

### Annex

> ANNEX IV GAS METERS AND VOLUME CONVERSION DEVICES (MI-002)

## Source

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

Last verified: 2026-09-01. Review by: 2027-09-01.
Part of [Accuracy classes and maximum permissible errors for trade measuring instruments](https://referencesource.org/legal-metrology-accuracy-classes/).