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

For Thermal energy meters, annex is Annex VI (MI-004); accuracy class is 1; condition is complete thermal energy meter; maximum permissible error is E = ± (2 + 4 Δθmin/Δθ + 0,01 qp/q); scope or member state option is E f , E t , E c according to points 7.1 to 7.3, recorded from its source on 2026-08-05.

- **Instrument type:** Thermal energy meters _(verified: appears in the quote below)_
- **Annex:** Annex VI (MI-004)
- **Accuracy class:** 1 _(verified: appears in the quote below)_
- **Condition:** complete thermal energy meter _(our reading, not quoted from the source)_
- **Maximum permissible error:** E = ± (2 + 4 Δθmin/Δθ + 0,01 qp/q)
- **Scope or member state option:** E f , E t , E c according to points 7.1 to 7.3 _(our reading, not quoted from the source)_

## What the source says

> MPEs applicable to complete thermal energy meters The maximum permissible relative errors applicable to a complete thermal energy meter, expressed in percent of the true value for each accuracy class, are: — | For class 1: , with E f , E t , E c according to points 7.1 to 7.3.

## 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/).