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.
Accuracy (trueness and precision) of measurement methods and results - Part 6: Use in practice of accuracy values (ISO 5725-6:1994 including Technical Corrigendum 1:2001)— 91 стр.
Gas analysis - Preparation of calibration gas mixtures - Part 1: Gravimetric method for Class I mixtures (ISO/DIS 6142:2014); German version prEN ISO 6142:2014
Gas analysis - Preparation of calibration gas mixtures using dynamic volumetric methods - Part 1: Methods of calibration (ISO 6145-1:2003); German version EN ISO 6145-1:2008— 42 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 and biomethane for use in transport and biomethane for injection in the natural gas network - Part 2: Automotive fuels specification; German version EN 16723-2:2017— 27 стр.
