# Gas meters and volume conversion devices · Annex IV · gas meter at metering conditions or mass, class 1,5, Qmin ≤ Q < Qt — Accuracy classes and maximum permissible errors for trade measuring instruments

For Gas meters and volume conversion devices, annex is Annex IV; condition is gas meter at metering conditions or mass, class 1,5, Qmin ≤ Q < Qt; accuracy class is 1,5; maximum permissible error is 3 %, 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)_
- **Accuracy class:** 1,5 _(verified: appears in its own passage below)_
- **Condition:** gas meter at metering conditions or mass, class 1,5, Qmin ≤ Q < Qt _(our reading, not quoted from the source)_
- **Maximum permissible error:** 3 % _(verified: appears in its own passage below)_

## What the source says

> 2.1. Gas meter indicating the volume at metering conditions or mass Table 1 Class | 1,5 | 1,0 | Qmin ≤ Q < Qt | 3 % | 2 % | Qt ≤ Q ≤ Qmax | 1,5 % | 1 % | The gas meter shall not exploit the MPEs or systematically favour any party.

## Where each value comes from

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

### 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)

### Accuracy class

The source prints this value inside the passage below but does not name it there. The passage shows where it appears; what ties it to this record is the position on the page, not anything the passage says.

> 2.1. Gas meter indicating the volume at metering conditions or mass Table 1 Class | 1,5

### Maximum permissible error

> 2.1. Gas meter indicating the volume at metering conditions or mass Table 1 Class | 1,5 | 1,0 | Qmin ≤ Q < Qt | 3 %

## 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/).