BS EN 1434-4:2015+A1:2018
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Thermal energy meters – Pattern approval tests
| Published By | Publication Date | Number of Pages |
| BSI | 2018 | 62 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | undefined |
| 8 | 1 Scope 2 Normative references |
| 9 | 3 Terms and definitions 4 General 5 Requirements 6 Specification of operating conditions 6.1 Rated operating conditions |
| 10 | 6.2 Reference conditions 6.3 Reference values for the measurand, RVM 6.3.1 General 6.3.2 Reference values for the measurand, RVM 7 Tests and measurements 7.1 General |
| 11 | 7.2 Test programme |
| 13 | 7.3 Uncertainty of test equipment and influences of EUT |
| 14 | 7.4 Performance tests 7.4.1 General 7.4.2 Flow sensor 7.4.2.1 General 7.4.2.2 Flow rates |
| 15 | 7.4.2.3 Electromagnetic type flow sensors 7.4.2.4 Fast response meters 7.4.3 Calculator 7.4.3.1 Heating and cooling applications |
| 16 | 7.4.3.2 Additional functionalities for smart metering applications |
| 17 | 7.4.4 Temperature sensors 7.4.4.1 Qualifying immersion depth 7.4.4.2 Thermal response time 7.4.4.3 General testing |
| 18 | 7.4.4.4 Testing of the influence of pockets |
| 19 | 7.4.5 Combined sub-assemblies or complete meter 7.5 Dry heat 7.5.1 General 7.5.2 Calculator 7.5.3 Flow sensor 7.5.4 Combined sub-assemblies or complete meter |
| 20 | 7.6 Cold 7.6.1 General 7.6.2 Calculator 7.6.3 Flow sensor 7.6.4 Combined sub-assemblies or complete meter 7.7 Static deviations in supply voltage |
| 22 | 7.8 Durability test 7.8.1 General 7.8.2 Flow sensor 7.8.2.1 General 7.8.2.2 Basic test |
| 23 | 7.8.2.3 Additional test |
| 24 | 7.8.2.4 Accelerated Durability test 7.8.3 Temperature sensors 7.8.4 Combined sub-assemblies or complete meter |
| 25 | 7.9 Damp heat 7.9.1 Damp heat cyclic 7.9.2 Damp heat steady-state |
| 26 | 7.10 Short time mains voltage reduction 7.11 Electrical transients 7.11.1 Fast transients (bursts) |
| 28 | 7.11.2 Surge transients |
| 29 | 7.12 Electromagnetic field 7.13 Electromagnetic field specifically caused by digital radio equipment |
| 30 | 7.14 Radio frequency amplitude modulated |
| 32 | 7.15 Electrostatic discharge |
| 33 | 7.16 Static magnetic field (fraud protection) 7.17 Mains frequency magnetic field 7.18 Internal pressure |
| 34 | 7.19 Pressure loss 7.20 Electromagnetic emission 7.20.1 General 7.20.2 Conducted emission on power AC lines 7.20.3 Conducted emission on signal and DC power lines |
| 35 | 7.20.4 Radiated emission 7.21 24 h interruption in the mains power supply voltage 7.22 Flow disturbances |
| 36 | 7.23 Vibration/mechanical shock 8 Documentation |
| 38 | Annex A (informative)Testing procedure for temperature sensor pairs with pockets and without pockets A.1 Test set-up A.1.1 General A.1.2 Requirements of a temperature bath A.1.2.1 General A.1.2.2 Temperature distribution |
| 39 | A.1.2.3 Liquid A.1.2.4 Test setup |
| 40 | A.2 Test sequence A.3 Calculations |
| 41 | Annex B (informative)Checklist for type approvals of !thermal energy meters” according to EN 1434 |
| 58 | Annex C (informative)Criteria for a fully developed flow profile |
| 59 | Annex ZA ANNEX ZA(informative)Relationship between this European Standard and the essential requirements of Directive 2014/32/EU aimed to be covered |
