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DIN EN 1776:2016-05
Gas infrastructure - Gas measuring systems - Functional requirements; German version EN 1776:2015 / Note: This standard is part of the DVGW body of rules.*To be replaced by DIN EN 1776 (2024-09).
| Fecha edición: |
2016-05-01
En Vigor
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|---|---|
| Idiomas disponibles: | Inglés, Alemán |
| Resumen: | This European Standard specifies functional requirements for the design, construction, testing, commissioning/decommissioning, operation, maintenance and, where appropriate, calibration, together with suitable documented provisions for all new gas measuring systems and any major changes of existing systems. This European Standard also specifies accuracy classes of measuring systems and thresholds applicable to these classes. Demonstration of compliance is achieved through the selection, installation and operation of appropriate measurement instruments, together with suitable documented provisions for calculations. Examples of demonstration of compliance are provided for each accuracy class; however, they are not prescriptive solutions. This European Standard is applicable for gases of the 2nd family as classified in EN 437. It is also applicable for treated non-conventional combustible gases complying with EN 437 and for which a detailed technical evaluation of the functional requirements (such as injected biomethane) is performed ensuring there are no other constituents or properties of the gases that can affect the metrological and physical integrity of the measuring systems. This European Standard can also be used as a guideline for 1st and 3rd family gases as classified in EN 437; however additional considerations should be taken with regard to the different constituents and physical characteristics of the gas family. This European Standard gives guidelines when designing, installing and operating gas meters with additional functionalities (smart gas meters). Communication protocols and interfaces for gas meters and remote reading of gas meters are outside the scope of this European Standard and are covered by the appropriate parts of EN 13757, which provide a number of protocols for meter communications. Supervisory control and data acquisition protocols (SCADA) are also not covered by this European Standard. Unless otherwise specified all pressures used in this European Standard are gauge pressures. |
| Keywords: | Acceptance (approval)|Calibration|Capacity|Commissioning|Constructions|Definitions|Design|Energy|Fuel gases|Functions|Gas measuring instruments|Gas meters|Gas supply|Gas technology|Gaseous fuels|Gases|Gas-supply meters|Guidelines|Infrastructure|Inserts|Installations|Maintenance|Mass|Materials|Mathematical calculations|Measurement|Measurement of gases|Measuring devices|Measuring equipment|Measuring systems|Measuring techniques|Natural gas|Occupational safety|Operation|Planning|Pollution control|Precision|Pulsation|Quantitative measurement|Rebuildings|Reliability|Specification (approval)|Testing|Thermal value|Use|Vibration|Volume|Working pressures|Workplace safety |
| ICS: | 75.180.30 - Medición de volumen y equipo correspondiente, 27.075 - Tecnologías del hidrógeno |
| CTN: | |
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Equivalencia Internacional |
Idéntica EN 1776:2015 |
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Reemplazo Normas |
Reemplaza a DIN EN 1776:1999-06 Reemplaza a DIN EN 1776:2014-01 |
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