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prNS-EN 1434-3:2023

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Merknad: Denne standarden har en ny utgave: NS-EN 1434-3:2025

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Omfang

This document specifies the general requirements and applies to 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 meter indicates heat in legal units.Part 3 specifies the data exchange between a meter and a readout device (POINT / POINT communication). For these applications using the optical readout head, the EN 62056-21 protocol is recommended.For networks with up to 250 meters, a master unit with AC mains supply according to EN 13757-2 is necessary to control the M-Bus. For these applications the physical and link layer of EN 13757-2 and the application layer of EN 13757-3 is required.For wireless meter communications, EN 13757-4 describes several alternatives of walk/drive-by readout via a mobile station or by using stationary receivers or a network. Both unidirectionally and bidirectionally transmitting meters are supported by this standard.

Dokumentinformasjon

  • Standard fra SN
  • Utgave: 2023-08
  • Versjon: 1
  • Varetype: NAT
  • ICS 17.200.10
  • National Committee SN/K 999/EG 2

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