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EN 1434-4:2022 Standard

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  Keywords:

#thermal #document #liquid #heat #safety

  Directive

Measuring instruments (MID) Directive (2014/32/EU)

  Last Official Journal reference

Wednesday 24th of September 2025

  Description:

Thermal energy meters - Part 4: Pattern approval tests

  Purpose

This document specifies pattern approval tests 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.

  Publication

Wednesday 24th of September 2025

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