BS EN 1434-4:1997:2003 Edition
$142.49
Heat meters – Pattern approval tests
| Published By | Publication Date | Number of Pages |
| BSI | 2003 | 28 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | BRITISH STANDARD |
| 2 | Committees responsible for this British Standard |
| 3 | Contents |
| 6 | Foreword Foreword to amendment A1 Contents |
| 9 | 1 Scope 2 Normative references 3 General |
| 10 | 4 Requirements 5 Specification of operating conditions 5.1 Rated operating conditions 5.2 Reference conditions 5.3 Reference values for the measurand, RVM |
| 11 | 6 Tests and measurements 6.1 General 6.2 Test programme |
| 12 | Table 2 – Test programme for heat meters and their sub-assemblies 6.3 Uncertainty of test equipment 6.4 Performance test |
| 13 | Table 3 – Water temperatures |
| 14 | Table 4 – Testing temperatures for heating appliances Table 5 – Testing temperatures for cooling appliances |
| 15 | 6.5 Dry heat 6.6 Cold |
| 16 | 6.7 Static deviations in supply voltage |
| 17 | 6.8 Durability test |
| 18 | Figure 1 – Basic wear test cycles with magnification of the first cycle |
| 20 | 6.9 Damp heat cyclic 6.10 Short time mains voltage reduction 6.11 Electrical transients |
| 22 | Table 10 – Surge transients for signal and d.c. lines Table 11 – Surge transients for a.c. power lines |
| 23 | 6.12 Electromagnetic field 6.13 Electrostatic discharge |
| 24 | 6.14 Static magnetic field (fraud protection) 6.15 Electromagnetic field at mains frequency |
| 25 | 6.16 Internal pressure 6.17 Pressure loss 6.18 Electromagnetic emission |
| 26 | 6.19 24 hours interruption in the mains power supply voltage 7 Documentation |
