CEN/TC 238
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 81200 | - | Test Gases - Test pressures - Appliances categories for hydrogen admixtures - Expansion of EN 437-1 | Izstrādē |
| 81528 | prEN ISO 6978-2 rev | Natural gas — Determination of mercury — Part 2: Sampling of mercury by amalgamation on gold/platinum alloy | Izstrādē |
| 81853 | EN ISO 6145-7:2018/prA1 | Gas analysis - Preparation of calibration gas mixtures using dynamic methods - Part 7: Thermal mass-flow controllers - Amendment 1: Correction of formula C.4 (ISO 6145-7:2018/DAM 1:2025) | Aptauja slēgta |
| 82173 | prEN ISO 15403-1 rev | Natural gas — Natural gas for use as a compressed fuel for vehicles — Part 1: Designation of the quality | Izstrādē |
| 83589 | EN ISO 6143:2025/prA1 | Gas analysis — Comparison methods for determining and checking the composition of calibration gas mixtures — Amendment 1: Software B_LEAST – Performance check for non-linear model functions using alternative computer programs | Izstrādē |
| 83897 | prEN ISO 6145-4 rev | Gas analysis — Preparation of calibration gas mixtures using dynamic volumetric methods — Part 4: Continuous syringe injection method | Izstrādē |
| 83984 | EN ISO 6142-1:2015/prA1 | Gas analysis - Preparation of calibration gas mixtures - Part 1: Gravimetric method for Class I mixtures - Amendment 1: Corrections to formulae in Annex E and Annex G (ISO 6142-1:2015/Amd 1:2020) | Izstrādē |
| 84218 | EN ISO 12213-2:2009/prA1 | Natural gas — Calculation of compression factor — Part 2: Calculation using molar-composition analysis — Amendment 1 | Izstrādē |
Displaying 121-128 of 128 results.