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EVS 912:2019

Non-automatic weighing instruments. Verification procedure

General information

Valid from 03.01.2019
ICS Groups
17.020 Metrology and measurement in general 17.060 Measurement of volume, mass, density, viscosity
Directives or regulations
None
Changes from previous version
Võrreldes eelmise standardiga (EVS 912:2011) on see standard välja töötatud tulenevalt vajadusest ajakohase standardse taatlusmetoodika järele, mis on seotud mõõteseaduse muudatuste uue redaktsiooniga ja standardi EVS-EN 45501:2015 rakendamisega. Standardisse on lisatud mõned uued terminid kooskõlas standardiga EVS-EN 45501:2015. Seni kasutatud terminite määratlused on kohendatud. Kuna uutel kaaludel toimub vastavushindamine EL-i direktiivi 2014/31/EL kohaselt, siis standardis esitatud taatlusmetoodika hõlmab ainult kordustaatlust. On esitatud uued alused kaalude taatluse jaoks kasutatavate tööetalonide ja asenduskoormuse valiku kohta. Kogu taatlustoimingute protseduur on üles ehitatud, lähtudes kordustaatlusest. Taaraseadisega kaalu näiduhälbe määramise protseduur on viidud ühesuunaliseks progressiivselt suureneva kaalu koormamise abil. On lisatud näide kaalu korrigeeritud näiduhälbe määramiseks. Taatlustulemuste hindamise aluseid on muudetud. Lisatud on selgitused, kuidas kasutada standardis EVS-EN 45501:2015 ja ka standardis esitatud maksimaalselt lubatavate mõõtehälvete kohta kehtiva tabeli andmete kasutamist maksimaalselt lubatava mõõtehälbe määramiseks. Vastavusotsuste teksti ülesehitusel on lähtutud uutest kehtivatest normdokumentidest. Taatlusprotokolli näidise ülesehitust on muudetud, lähtudes eelkirjeldatust.

Standard history

Status
Date
Type
Name
03.01.2019
Main
EVS 912:2019
05.12.2011
Main
EVS 912:2011
The scope of this Estonian Standard is verification of non-automatic weighing instruments which comply to international requirements and are subject of verification in Estonia by verification authority. Standard sets requirements for equipment, verification procedure and principles of conformity decision making in compliance with relevant international normative acts.

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Standards designation

EVS Estonian standard
EN European standard (published by an CEN or CENELEC)
EN ISO International standard adopted as an European standard
ISO International Organization for Standardization’s standard
IEC International Electrotechnical Commission’s standard
HD CENELEC’s harmonisation document
   
EVS-EN European standard implemented in Estonia
EVS-EN ISO International standard adopted in Europe and implemented in Estonia
EVS-EN ISO/IEC International standard/International electrotechnical standard adopted in Europe and implemented in Estonia
EVS-IEC International electrotechnical standard implemented in Estonia
EVS-ISO International standard implemented in Estonia
   
A, AMD amedment
+A a full standard plus the amendment
/A only amendment
COR, AC corrigendum
+COR a full standard plus the corrigendum
NA national annex
+NA a full standard plus the national annex
/NA only national annex
TS technical specification
TR technical report
CWA agreement, developed by a CEN or CENELEC
prEVS-EN (etc) draft standard
   
et the standard is in Estonian only
en the standard is in English only
et-en the standard is in Parallel text Estonian-English