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ILNAS-EN 1434-2:2022 Edition 09/2022
Thermal energy meters - Part 2: Constructional requirements
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Abstract

This document is applicable to the constructional requirements for thermal energy meters. Thermal energy meters are instruments intended for measuring the energy which in a heat-exchange circuit is absorbed (cooling) or given up (heating) by a liquid called the heat-conveying liquid. The thermal energy meter indicates the quantity of thermal energy in legal units. This document covers meters for closed systems only, where the differential pressure over the thermal load is limited. This document is not applicable to: - electrical safety requirements; - pressure safety requirements; and - surface mounted temperature sensors.

Status

Standard - Active

Origin

Technical Committee :
CEN/TC 176 : Thermal energy meters

Implementation

start of the vote on the project    12/11/2020   date of ratification (dor)    17/07/2022
end of the vote on the project    04/02/2021   date of anouncement (doa)    31/12/2022
start of the vote on the final project    21/04/2022   date of publication (dop)    31/03/2023
end of the vote on the final project    16/06/2022   date of withdrawal (dow)    31/03/2023


Publication Official Journal
of the Grand-Duchy of Luxembourg
20/03/2023
Reference Mémorial A N° 153

Relations

Relations to older standards
ILNAS-EN 1434-2:2015+A1:2018

International Classification for Standards (ICS codes) :

17.200.20 : Temperature-measuring instruments

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