{"id":294292,"date":"2024-10-19T20:00:25","date_gmt":"2024-10-19T20:00:25","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iso-4064-22017-tc\/"},"modified":"2024-10-25T17:13:51","modified_gmt":"2024-10-25T17:13:51","slug":"bs-en-iso-4064-22017-tc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iso-4064-22017-tc\/","title":{"rendered":"BS EN ISO 4064-2:2017 – TC"},"content":{"rendered":"
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
---|---|---|---|---|---|---|---|
117<\/td>\n | National foreword <\/td>\n<\/tr>\n | ||||||
120<\/td>\n | Annex ZA(informative)Relationship between this European Standard and the essential requirements of Directive 2014\/32\/EU aimed to be covered <\/td>\n<\/tr>\n | ||||||
128<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
129<\/td>\n | Section sec_1 Section sec_2 1 Scope 2 Normative references <\/td>\n<\/tr>\n | ||||||
130<\/td>\n | Section sec_3 Section sec_4 3 Terms and definitions 4 Reference conditions <\/td>\n<\/tr>\n | ||||||
131<\/td>\n | Section sec_5 Section sec_6 Section sec_6.1 Section sec_6.2 Section sec_6.3 5 Symbols, units and equations 6 External examination 6.1 General 6.2 Object of the examination 6.3 Preparation <\/td>\n<\/tr>\n | ||||||
132<\/td>\n | Section sec_6.4 Section sec_6.4.1 Section sec_6.4.2 Section sec_6.4.3 Section sec_6.4.3.1 Section sec_6.4.3.2 Section sec_6.4.3.3 6.4 Examination procedures <\/td>\n<\/tr>\n | ||||||
133<\/td>\n | Section sec_6.4.3.4 Section sec_6.4.3.5 Section sec_6.4.3.5.1 Section sec_6.4.3.5.2 <\/td>\n<\/tr>\n | ||||||
134<\/td>\n | Section sec_6.4.3.5.3 Section sec_6.4.3.6 Section sec_6.4.3.6.1 Section sec_6.4.3.6.2 Section sec_6.4.3.6.2.1 <\/td>\n<\/tr>\n | ||||||
135<\/td>\n | Section sec_6.4.3.6.2.2 Section sec_6.4.3.6.2.3 <\/td>\n<\/tr>\n | ||||||
136<\/td>\n | Section sec_6.4.4 Section sec_7 Section sec_7.1 Section sec_7.2 Section sec_7.2.1 Section sec_7.2.2 Section sec_7.2.2.1 7 Performance tests for all water meters 7.1 General 7.2 Required conditions for all tests <\/td>\n<\/tr>\n | ||||||
137<\/td>\n | Section sec_7.2.2.2 Section sec_7.2.2.3 Section sec_7.3 Section sec_7.3.1 Section sec_7.3.2 Section sec_7.3.3 Section sec_7.3.3.1 Section sec_7.3.3.2 7.3 Static pressure test (ISO\u00a04064-1:2014|OIML\u00a0R\u00a049\u20111:2013, 4.2.10) <\/td>\n<\/tr>\n | ||||||
138<\/td>\n | Section sec_7.3.4 Section sec_7.4 Section sec_7.4.1 Section sec_7.4.2 Section sec_7.4.2.1 7.4 Determination of intrinsic errors (of indication) (ISO\u00a04064-1:2014|OIML\u00a0R\u00a049\u20111:2013, 7.2.3) <\/td>\n<\/tr>\n | ||||||
139<\/td>\n | Section sec_7.4.2.2 Section sec_7.4.2.2.1 Section sec_7.4.2.2.2 Section sec_7.4.2.2.3 <\/td>\n<\/tr>\n | ||||||
140<\/td>\n | Section sec_7.4.2.2.4 Section sec_7.4.2.2.4.1 Section sec_7.4.2.2.4.2 Section sec_7.4.2.2.4.3 Section sec_7.4.2.2.4.4 Section sec_7.4.2.2.4.5 <\/td>\n<\/tr>\n | ||||||
141<\/td>\n | Section sec_7.4.2.2.4.6 Section sec_7.4.2.2.5 Section sec_7.4.2.2.5.1 Section sec_7.4.2.2.5.2 Section sec_7.4.2.2.5.3 <\/td>\n<\/tr>\n | ||||||
142<\/td>\n | Section sec_7.4.2.2.6 Section sec_7.4.2.2.6.1 Section sec_7.4.2.2.6.2 Section sec_7.4.2.2.7 Section sec_7.4.2.2.7.1 Section sec_7.4.2.2.7.2 Section sec_7.4.2.2.7.3 <\/td>\n<\/tr>\n | ||||||
143<\/td>\n | Section sec_7.4.2.2.7.4 Section sec_7.4.2.2.7.5 <\/td>\n<\/tr>\n | ||||||
144<\/td>\n | Section sec_7.4.3 Section sec_7.4.3.1 Section sec_7.4.3.2 Section sec_7.4.4 <\/td>\n<\/tr>\n | ||||||
145<\/td>\n | Section sec_7.4.5 Section sec_7.4.6 Section sec_7.4.6.1 Section sec_7.4.6.2 Section sec_7.4.6.3 <\/td>\n<\/tr>\n | ||||||
146<\/td>\n | Section sec_7.4.6.4 Section sec_7.5 Section sec_7.5.1 Section sec_7.5.2 Section sec_7.5.3 Section sec_7.5.4 Section sec_7.6 Section sec_7.6.1 Section sec_7.6.2 Section sec_7.6.3 7.5 Water temperature test (ISO\u00a04064-1:2014|OIML\u00a0R\u00a049\u20111:2013, 4.2.8) 7.6 Overload water temperature test (ISO\u00a04064-1:2014|OIML\u00a0R\u00a049\u20111:2013, 7.2.5) <\/td>\n<\/tr>\n | ||||||
147<\/td>\n | Section sec_7.6.4 Section sec_7.7 Section sec_7.7.1 Section sec_7.7.2 Section sec_7.7.3 Section sec_7.7.4 Section sec_7.8 Section sec_7.8.1 7.7 Water pressure test (ISO\u00a04064-1:2014|OIML\u00a0R\u00a049\u20111:2013, 4.2.8) 7.8 Reverse flow test (ISO\u00a04064-1:2014|OIML\u00a0R\u00a049\u20111:2013, 4.2.7) <\/td>\n<\/tr>\n | ||||||
148<\/td>\n | Section sec_7.8.2 Section sec_7.8.3 Section sec_7.8.3.1 Section sec_7.8.3.2 Section sec_7.8.3.3 <\/td>\n<\/tr>\n | ||||||
149<\/td>\n | Section sec_7.8.4 Section sec_7.9 Section sec_7.9.1 Section sec_7.9.2 7.9 Pressure loss test (ISO\u00a04064-1:2014|OIML\u00a0R\u00a049\u20111:2013, 6.5) <\/td>\n<\/tr>\n | ||||||
150<\/td>\n | Table tab_b Figure fig_1 Section sec_7.9.3 Section sec_7.9.3.1 Section sec_7.9.3.2 <\/td>\n<\/tr>\n | ||||||
152<\/td>\n | Table tab_c Figure fig_2 Section sec_7.9.4 Section sec_7.9.5 <\/td>\n<\/tr>\n | ||||||
153<\/td>\n | Section sec_7.10 Section sec_7.10.1 Section sec_7.10.2 Section sec_7.10.3 Section sec_7.10.4 7.10 Flow disturbance tests (ISO\u00a04064-1:2014|OIML\u00a0R\u00a049\u20111:2013, 6.3.4) <\/td>\n<\/tr>\n | ||||||
154<\/td>\n | Section sec_7.11 Section sec_7.11.1 Section sec_7.11.2 Section sec_7.11.2.1 Section sec_7.11.2.2 Section sec_7.11.2.2.1 Section sec_7.11.2.2.2 Section sec_7.11.2.2.3 7.11 Durability tests (ISO\u00a04064-1:2014|OIML\u00a0R\u00a049\u20111:2013, 7.2.6) <\/td>\n<\/tr>\n | ||||||
155<\/td>\n | Section sec_7.11.2.2.4 Section sec_7.11.2.3 Section sec_7.11.2.3.1 Section sec_7.11.2.3.2 Section sec_7.11.2.3.3 Section sec_7.11.2.3.4 <\/td>\n<\/tr>\n | ||||||
156<\/td>\n | Section sec_7.11.2.3.5 Section sec_7.11.2.3.6 Table tab_1 <\/td>\n<\/tr>\n | ||||||
157<\/td>\n | Section sec_7.11.2.4 Section sec_7.11.2.4.1 Section sec_7.11.2.4.2 Section sec_7.11.3 Section sec_7.11.3.1 Section sec_7.11.3.2 Section sec_7.11.3.2.1 Section sec_7.11.3.2.2 <\/td>\n<\/tr>\n | ||||||
158<\/td>\n | Section sec_7.11.3.2.3 Section sec_7.11.3.3 Section sec_7.11.3.3.1 Section sec_7.11.3.3.2 Section sec_7.11.3.3.3 Section sec_7.11.3.3.4 <\/td>\n<\/tr>\n | ||||||
159<\/td>\n | Section sec_7.11.3.3.5 Section sec_7.11.3.4 Section sec_7.11.3.4.1 Section sec_7.11.3.4.2 Section sec_7.12 Section sec_7.13 Section sec_7.13.1 7.12 Magnetic field testing 7.13 Tests on ancillary devices of a water meter <\/td>\n<\/tr>\n | ||||||
160<\/td>\n | Section sec_7.13.2 Section sec_7.13.3 Section sec_7.13.4 Section sec_7.14 Section sec_8 Section sec_8.1 Section sec_8.1.1 7.14 Environmental testing 8 Performance tests related to influence factors and disturbances 8.1 General requirements (ISO\u00a04064-1:2014|OIML\u00a0R\u00a049\u20111:2013, A.1) <\/td>\n<\/tr>\n | ||||||
161<\/td>\n | Section sec_8.1.2 Section sec_8.1.3 Section sec_8.1.4 Section sec_8.1.5 Section sec_8.1.6 <\/td>\n<\/tr>\n | ||||||
162<\/td>\n | Section sec_8.1.7 Section sec_8.1.8 Section sec_8.1.8.1 <\/td>\n<\/tr>\n | ||||||
163<\/td>\n | Section sec_8.1.8.2 Section sec_8.1.8.3 Section sec_8.1.8.4 <\/td>\n<\/tr>\n | ||||||
164<\/td>\n | Section sec_8.1.8.5 Section sec_8.2 Section sec_8.2.1 Section sec_8.2.2 Section sec_8.2.3 8.2 Dry heat (non-condensing) (ISO\u00a04064-1:2014|OIML\u00a0R\u00a049\u20111:2013, A.5) <\/td>\n<\/tr>\n | ||||||
165<\/td>\n | Section sec_8.2.4 Section sec_8.3 Section sec_8.3.1 Section sec_8.3.2 Section sec_8.3.3 Section sec_8.3.4 8.3 Cold (ISO\u00a04064-1:2014|OIML\u00a0R\u00a049\u20111:2013, A.5) <\/td>\n<\/tr>\n | ||||||
166<\/td>\n | Section sec_8.4 Section sec_8.4.1 Section sec_8.4.2 Section sec_8.4.3 8.4 Damp heat, cyclic (condensing) (ISO\u00a04064-1:2014|OIML\u00a0R\u00a049\u20111:2013, A.5) <\/td>\n<\/tr>\n | ||||||
167<\/td>\n | Section sec_8.4.4 Section sec_8.5 Section sec_8.5.1 Section sec_8.5.2 Section sec_8.5.2.1 Section sec_8.5.2.2 Section sec_8.5.2.3 8.5 Power supply variation (ISO\u00a04064-1:2014|OIML\u00a0R\u00a049\u20111:2013, A.5) <\/td>\n<\/tr>\n | ||||||
168<\/td>\n | Figure fig_3 Section sec_8.5.2.4 <\/td>\n<\/tr>\n | ||||||
169<\/td>\n | Section sec_8.5.3 Section sec_8.5.3.1 Section sec_8.5.3.2 Section sec_8.5.3.3 Section sec_8.5.3.4 Section sec_8.5.4 Section sec_8.5.4.1 <\/td>\n<\/tr>\n | ||||||
170<\/td>\n | Section sec_8.5.4.2 Section sec_8.5.4.3 Section sec_8.6 Section sec_8.6.1 Section sec_8.6.2 Section sec_8.6.3 8.6 Vibration (random) (ISO\u00a04064-1:2014|OIML\u00a0R\u00a049\u20111:2013, A.5) <\/td>\n<\/tr>\n | ||||||
171<\/td>\n | Section sec_8.6.4 Section sec_8.7 Section sec_8.7.1 Section sec_8.7.2 Section sec_8.7.3 8.7 Mechanical shock (ISO\u00a04064-1:2014|OIML\u00a0R\u00a049\u20111:2013, A.5) <\/td>\n<\/tr>\n | ||||||
172<\/td>\n | Section sec_8.7.4 Section sec_8.8 Section sec_8.8.1 Section sec_8.8.2 Section sec_8.8.3 8.8 AC mains voltage dips, short interruptions and voltage variations (ISO\u00a04064-1:2014|OIML\u00a0R\u00a049\u20111:2013, A.5) <\/td>\n<\/tr>\n | ||||||
173<\/td>\n | Table tab_2 Table tab_3 Section sec_8.8.4 Section sec_8.9 Section sec_8.9.1 8.9 Bursts on signal lines (ISO\u00a04064-1:2014|OIML\u00a0R\u00a049\u20111:2013, A.5) <\/td>\n<\/tr>\n | ||||||
174<\/td>\n | Section sec_8.9.2 Section sec_8.9.3 Section sec_8.9.4 <\/td>\n<\/tr>\n | ||||||
175<\/td>\n | Section sec_8.10 Section sec_8.10.1 Section sec_8.10.2 Section sec_8.10.3 Section sec_8.10.4 8.10 Bursts (transients) on AC and DC mains (ISO\u00a04064-1:2014|OIML\u00a0R\u00a049\u20111:2013, A.5) <\/td>\n<\/tr>\n | ||||||
176<\/td>\n | Section sec_8.11 Section sec_8.11.1 Section sec_8.11.2 Section sec_8.11.3 8.11 Electrostatic discharge (ISO\u00a04064-1:2014|OIML\u00a0R\u00a049\u20111:2013, A.5) <\/td>\n<\/tr>\n | ||||||
177<\/td>\n | Section sec_8.11.4 Section sec_8.12 Section sec_8.12.1 Section sec_8.12.2 Section sec_8.12.3 8.12 Radiated electromagnetic fields (ISO\u00a04064-1:2014|OIML\u00a0R\u00a049\u20111:2013, A.5) <\/td>\n<\/tr>\n | ||||||
179<\/td>\n | Table tab_4 Section sec_8.12.4 Section sec_8.13 Section sec_8.13.1 Section sec_8.13.2 Section sec_8.13.3 8.13 Conducted electromagnetic fields (ISO\u00a04064-1:2014|OIML\u00a0R\u00a049\u20111:2013, A.5) <\/td>\n<\/tr>\n | ||||||
180<\/td>\n | Table tab_5 Section sec_8.13.4 <\/td>\n<\/tr>\n | ||||||
181<\/td>\n | Section sec_8.14 Section sec_8.14.1 Section sec_8.14.2 Section sec_8.14.3 8.14 Surges on signal, data and control lines (ISO\u00a04064-1:2014|OIML\u00a0R\u00a049\u20111:2013, A.5) <\/td>\n<\/tr>\n | ||||||
182<\/td>\n | Section sec_8.14.4 Section sec_8.15 Section sec_8.15.1 Section sec_8.15.2 Section sec_8.15.3 8.15 Surges on AC and DC mains power lines (ISO\u00a04064-1:2014|OIML\u00a0R\u00a049\u20111:2013, A.5) <\/td>\n<\/tr>\n | ||||||
183<\/td>\n | Section sec_8.15.4 Section sec_8.16 Section sec_8.16.1 Section sec_8.16.2 8.16 Static magnetic field (ISO\u00a04064-1:2014|OIML\u00a0R\u00a049\u20111:2013, 7.2.8) <\/td>\n<\/tr>\n | ||||||
184<\/td>\n | Section sec_8.16.3 Section sec_8.16.4 Section sec_8.16.5 Section sec_8.17 Section sec_8.17.1 Section sec_8.17.2 Section sec_8.17.3 8.17 Absence of flow test <\/td>\n<\/tr>\n | ||||||
185<\/td>\n | Section sec_8.17.4 Section sec_9 Section sec_9.1 Section sec_9.2 Table tab_6 9 Test program for type evaluation 9.1 Number of samples required 9.2 Performance test applicable to all water meters <\/td>\n<\/tr>\n | ||||||
186<\/td>\n | Section sec_9.3 Section sec_9.4 9.3 Performance tests applicable to electronic water meters, mechanical water meters fitted with electronic devices, and their separable parts 9.4 Type evaluation of separable parts of a water meter <\/td>\n<\/tr>\n | ||||||
187<\/td>\n | Section sec_9.5 Section sec_10 Section sec_10.1 Section sec_10.1.1 Section sec_10.1.2 Section sec_10.1.3 9.5 Families of water meters 10 Tests for initial verification 10.1 Initial verification of complete and combined water meters <\/td>\n<\/tr>\n | ||||||
188<\/td>\n | Section sec_10.1.4 Section sec_10.2 Section sec_10.2.1 10.2 Initial verification of separable parts of a water meter <\/td>\n<\/tr>\n | ||||||
189<\/td>\n | Section sec_10.2.2 Section sec_10.2.3 Section sec_10.2.4 Section sec_11 Section sec_11.1 Section sec_11.2 Section sec_11.2.1 11 Presentation of results 11.1 Object of the reports 11.2 Identification and test data to be included in records <\/td>\n<\/tr>\n | ||||||
190<\/td>\n | Section sec_11.2.2 <\/td>\n<\/tr>\n | ||||||
191<\/td>\n | Annex sec_A Annex sec_A.1 Annex sec_A.2 Annex sec_A.3 Annex sec_A.3.1 Annex\u00a0A \n(normative)<\/p>\n Type examination and testing of checking facilities of electronic devices <\/td>\n<\/tr>\n | ||||||
192<\/td>\n | Annex sec_A.3.2 Annex sec_A.3.2.1 Annex sec_A.3.2.2 Annex sec_A.3.2.2.1 <\/td>\n<\/tr>\n | ||||||
193<\/td>\n | Annex sec_A.3.2.2.2 Annex sec_A.3.2.2.3 Annex sec_A.3.3 Annex sec_A.3.3.1 Annex sec_A.3.3.2 Annex sec_A.3.3.2.1 <\/td>\n<\/tr>\n | ||||||
194<\/td>\n | Annex sec_A.3.3.2.2 Annex sec_A.3.4 Annex sec_A.3.4.1 Annex sec_A.3.4.2 <\/td>\n<\/tr>\n | ||||||
195<\/td>\n | Annex sec_A.3.5 Annex sec_A.3.5.1 Annex sec_A.3.5.2 Annex sec_A.3.6 Annex sec_A.3.6.1 <\/td>\n<\/tr>\n | ||||||
196<\/td>\n | Annex sec_A.3.6.2 <\/td>\n<\/tr>\n | ||||||
197<\/td>\n | Annex sec_B Annex sec_B.1 Annex sec_B.2 Annex\u00a0B \n(normative)<\/p>\n Calculating the relative error (of indication) of a water meter <\/td>\n<\/tr>\n | ||||||
198<\/td>\n | Annex sec_B.3 Annex sec_B.3.1 Annex sec_B.3.2 Annex sec_B.3.3 Annex sec_B.3.3.1 <\/td>\n<\/tr>\n | ||||||
199<\/td>\n | Annex sec_B.3.3.2 Annex sec_B.3.3.3 <\/td>\n<\/tr>\n | ||||||
200<\/td>\n | Annex sec_B.3.3.4 Annex sec_B.3.4 Annex sec_B.3.4.1 <\/td>\n<\/tr>\n | ||||||
201<\/td>\n | Annex sec_B.3.4.2 Annex sec_B.3.4.3 <\/td>\n<\/tr>\n | ||||||
202<\/td>\n | Annex sec_B.3.4.4 <\/td>\n<\/tr>\n | ||||||
203<\/td>\n | Annex sec_C Annex\u00a0C \n(normative)<\/p>\n Installation requirements for flow disturbance tests <\/td>\n<\/tr>\n | ||||||
204<\/td>\n | Table tab_v Figure fig_C.1 <\/td>\n<\/tr>\n | ||||||
205<\/td>\n | Annex sec_D Annex sec_D.1 Annex sec_D.2 Annex sec_D.3 Annex\u00a0D \n(normative)<\/p>\n Type evaluation of a family of water meters <\/td>\n<\/tr>\n | ||||||
206<\/td>\n | Figure fig_D.1 <\/td>\n<\/tr>\n | ||||||
207<\/td>\n | Annex sec_E Table tab_w Figure fig_E.1 Annex\u00a0E \n(informative)<\/p>\n Examples of methods and components used for testing concentric water meters <\/td>\n<\/tr>\n | ||||||
208<\/td>\n | Table tab_x Figure fig_E.2 <\/td>\n<\/tr>\n | ||||||
209<\/td>\n | Table tab_y Figure fig_E.3 <\/td>\n<\/tr>\n | ||||||
210<\/td>\n | Annex sec_F Annex sec_F.1 Annex sec_F.2 Annex\u00a0F \n(informative)<\/p>\n Determining the density of water <\/td>\n<\/tr>\n | ||||||
211<\/td>\n | Annex sec_F.3 Table tab_F.1 <\/td>\n<\/tr>\n | ||||||
212<\/td>\n | Annex sec_G Annex sec_G.1 Annex sec_G.2 Annex sec_G.3 Annex\u00a0G \n(informative)<\/p>\n Maximum uncertainties in the measurement of influence factors and disturbances <\/td>\n<\/tr>\n | ||||||
213<\/td>\n | Annex sec_G.4 Annex sec_G.5 Annex sec_G.6 Annex sec_G.7 Annex sec_G.8 <\/td>\n<\/tr>\n | ||||||
214<\/td>\n | Annex sec_G.9 Annex sec_G.10 <\/td>\n<\/tr>\n | ||||||
215<\/td>\n | Annex sec_H Annex sec_H.1 Annex sec_H.2 Annex sec_H.3 Annex\u00a0H \n(informative)<\/p>\n Pressure loss test pressure tappings, hole and slot details <\/td>\n<\/tr>\n | ||||||
216<\/td>\n | Table tab_an Figure fig_H.1 Table tab_ao Figure fig_H.2 <\/td>\n<\/tr>\n | ||||||
217<\/td>\n | Table tab_ap Figure fig_H.3 <\/td>\n<\/tr>\n | ||||||
218<\/td>\n | Annex sec_I Annex sec_I.1 Annex sec_I.2 Table tab_aq Figure fig_I.1 Annex\u00a0I \n(normative)<\/p>\n Flow disturbers <\/td>\n<\/tr>\n | ||||||
219<\/td>\n | Table tab_ar Figure fig_I.2 Table tab_as Figure fig_I.3 <\/td>\n<\/tr>\n | ||||||
220<\/td>\n | Table tab_I.1 Table tab_at Figure fig_I.4 <\/td>\n<\/tr>\n | ||||||
221<\/td>\n | Table tab_I.2 Table tab_au Figure fig_I.5 <\/td>\n<\/tr>\n | ||||||
222<\/td>\n | Table tab_I.3 Figure fig_I.6 Table tab_I.4 <\/td>\n<\/tr>\n | ||||||
223<\/td>\n | Figure fig_I.7 Table tab_I.5 <\/td>\n<\/tr>\n | ||||||
224<\/td>\n | Table tab_av Figure fig_I.8 Table tab_aw Figure fig_I.9 <\/td>\n<\/tr>\n | ||||||
225<\/td>\n | Table tab_ax Figure fig_I.10 <\/td>\n<\/tr>\n | ||||||
226<\/td>\n | Table tab_I.6 <\/td>\n<\/tr>\n | ||||||
227<\/td>\n | Table tab_ay Figure fig_I.11 Table tab_I.7 <\/td>\n<\/tr>\n | ||||||
228<\/td>\n | Figure fig_I.12 Table tab_I.8 <\/td>\n<\/tr>\n | ||||||
229<\/td>\n | Reference ref_1 Reference ref_2 Reference ref_3 Reference ref_4 Reference ref_5 Reference ref_6 Reference ref_7 Reference ref_8 Reference ref_9 Reference ref_10 Reference ref_11 Reference ref_12 Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Tracked Changes. Water meters for cold potable water and hot water – Test methods<\/b><\/p>\n |