# Thermal energy meter — Accuracy classes and maximum permissible errors for trade measuring instruments (EU MID)

For Thermal energy meter, annex is VI; accuracy class is 1, 2, 3; condition is Complete instrument, rated operating conditions; maximum permissible error is Class-dependent formula; scope or member state option is MI-004. Three accuracy classes, recorded from its source on 2026-08-05.

- **Instrument type:** Thermal energy meter _(verified: appears in the quote below)_
- **Annex:** VI
- **Accuracy class:** 1, 2, 3 _(verified: appears in the quote below)_
- **Condition:** Complete instrument, rated operating conditions _(our reading, not quoted from the source)_
- **Maximum permissible error:** Class-dependent formula
- **Scope or member state option:** MI-004. Three accuracy classes. _(our reading, not quoted from the source)_

## What the source says

> The following accuracy classes are defined for thermal energy meters: 1, 2, 3.

## 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/).