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

For Thermal energy meters, instrument type is Thermal energy meters — flow sensor; annex is Annex VI (MI-004); accuracy class is 1; condition is flow sensor sub-assembly; maximum permissible error is E f = ± (1 + 0,01 qp/q), but not more than 5 %, recorded from its source on 2026-08-05.

- **Instrument type:** Thermal energy meters — flow sensor
- **Annex:** Annex VI (MI-004)
- **Accuracy class:** 1 _(verified: appears in the quote below)_
- **Condition:** flow sensor sub-assembly _(our reading, not quoted from the source)_
- **Maximum permissible error:** E f = ± (1 + 0,01 qp/q), but not more than 5 %

## What the source says

> Class 1: , but not more than 5 %,

## 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/).