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accuracy class 1 water meter

1

Terminological databases

Metroloogia terminibaas

ID 1158547 Last modified 08.06.2026
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Domain metrologymeasuring instruments
1. täpsusklassi veearvesti preferred
  • veearvesti täpsusklass, mille kohaselt näiduhälbe muutus ei tohi alumises vootsoonis, st Q1 ≤ Q < Q2 korral, ületada 2 % voo tegelikust näidu väärusest ja ülemises vootsoonis, st Q2 ≤ Q ≤ Q4 korral, 1 % voo tegelikust näidu väärtusest
  • accuracy class of water meter that the variation in the error of indication curve shall not exceed 2 % for flow rates in the lower rate zone (Q1 ≤ Q < Q2), and 1 % for flow rates in the upper flow rate zone (Q2 ≤ Q ≤ Q4)
1. täpsusklassi veearvesti preferred
Usage examples
  • 1. täpsusklassi veearvesti on ülitäpne mõõtevahend, mis on loodud rangete tööstuslike ja arveldusarve rakenduste jaoks, ning ISO 4064 standarditele ja OIML R 49 vastav veearvesti garanteerib palju rangemad maksimaalselt lubatavad mõõtehälbed (MPE) võrreldes levinumate 2. täpsusklassi elamuarvestitega.
veearvesti täpsusklassiga 1
accuracy class 1 water meter
Usage examples
  • An accuracy class 1 water meter is a high-precision device built for rigorous industrial and custody-transfer applications. Governed by standards like ISO 4064 and OIML R 49, it guarantees much tighter maximum permissible errors (MPE) compared to the more common class 2 residential meters.

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