Natural gas - Measurement of properties - Volumetric properties: density, pressure, temperature and compression factor (ISO 15970:2008); German version EN ISO 15970:2014— 58 стр.
Transmitters for use in industrial-process control systems - Part 1: Methods for performance evaluation (IEC 65B/656/CDV:2008); German version FprEN 60770-1:2008
Transmitters for use in industrial-process control systems - Part 2: Methods for inspection and routine testing (IEC 65B/657/CDV:2008); German version FprEN 60770-2:2008
Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 1: General principles and requirements (ISO 5167-1:2003); German version EN ISO 5167-1:2003— 41 стр.
Natural gas - Calculation of calorific values, density, relative density and Wobbe index from composition (ISO 6976:1995 including Corrigendum 1:1997, Corrigendum 2:1997 and Corrigendum 3:1999); German version EN ISO 6976:2005— 69 стр.
Natural gas - Calculation of compression factor - Part 2: Calculation using molar-composition analysis (ISO 12213-2:2006); German version EN ISO 12213-2:2009— 39 стр.
Natural gas - Calculation of compression factor - Part 3: Calculation using physical properties (ISO 12213-3:2006); German version EN ISO 12213-3:2009— 44 стр.
Natural gas - Calculation of calorific values, density, relative density and Wobbe index from composition (ISO 6976:1995 including Corrigendum 1:1997, Corrigendum 2:1997 and Corrigendum 3:1999)
Natural gas - Measurement of properties - Volumetric properties: density, pressure, temperature and compression factor (ISO 15970:2008); German version FprEN ISO 15970:2013
