Water meters · Annex III · Q2 (included) ≤ Q ≤ Q4, water up to 30 °C
For Water meters, annex is Annex III; condition is Q2 (included) ≤ Q ≤ Q4, water up to 30 °C; maximum permissible error is 2 %, recorded from its source on 2026-09-01.
- Instrument type
- Water meters verified
- Annex
- Annex III verified
- Condition
- Q2 (included) ≤ Q ≤ Q4, water up to 30 °C our reading
- Maximum permissible error
- 2 % verified
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
The MPE, positive or negative, on volumes delivered at flowrates between the transitional flowrate (Q2) (included) and the overload flowrate (Q4) is: | 2 % for water having a temperature ≤ 30 °C, | | 3 % for water having a temperature > 30 °C.
— eur-lex.europa.eu, retrieved 2026-09-01
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 III WATER METERS (MI-001) The relevant requirements of Annex I, the specific requirements of this Annex and the conformity assessment procedures listed in this Annex, apply to water meters intended for the measurement of volumes of clean, cold or heated water in residential, commercial and light industrial use.
Annex
ANNEX III WATER METERS (MI-001)
Maximum permissible error
2 % for water having a temperature ≤ 30 °C,
— all from eur-lex.europa.eu, retrieved 2026-09-01
Source
- eur-lex.europa.euhttps://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CELEX:32014L0032