{"id":293076,"date":"2024-10-19T19:54:39","date_gmt":"2024-10-19T19:54:39","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-1434-41997\/"},"modified":"2024-10-25T17:04:14","modified_gmt":"2024-10-25T17:04:14","slug":"bs-en-1434-41997","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-1434-41997\/","title":{"rendered":"BS EN 1434-4:1997"},"content":{"rendered":"
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
---|---|---|---|---|---|---|---|
1<\/td>\n | BRITISH STANDARD <\/td>\n<\/tr>\n | ||||||
2<\/td>\n | Committees responsible for this British Standard <\/td>\n<\/tr>\n | ||||||
3<\/td>\n | Contents <\/td>\n<\/tr>\n | ||||||
6<\/td>\n | Foreword Foreword to amendment A1 Contents <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | 1 Scope 2 Normative references 3 General <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 4 Requirements 5 Specification of operating conditions 5.1 Rated operating conditions 5.2 Reference conditions 5.3 Reference values for the measurand, RVM <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 6 Tests and measurements 6.1 General 6.2 Test programme <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | Table 2 – Test programme for heat meters and their sub-assemblies 6.3 Uncertainty of test equipment 6.4 Performance test <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | Table 3 – Water temperatures <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | Table 4 – Testing temperatures for heating appliances Table 5 – Testing temperatures for cooling appliances <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | 6.5 Dry heat 6.6 Cold <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | 6.7 Static deviations in supply voltage <\/td>\n<\/tr>\n | ||||||
17<\/td>\n | 6.8 Durability test <\/td>\n<\/tr>\n | ||||||
18<\/td>\n | Figure 1 – Basic wear test cycles with magnification of the first cycle <\/td>\n<\/tr>\n | ||||||
20<\/td>\n | 6.9 Damp heat cyclic 6.10 Short time mains voltage reduction 6.11 Electrical transients <\/td>\n<\/tr>\n | ||||||
22<\/td>\n | Table 10 – Surge transients for signal and d.c. lines Table 11 – Surge transients for a.c. power lines <\/td>\n<\/tr>\n | ||||||
23<\/td>\n | 6.12 Electromagnetic field 6.13 Electrostatic discharge <\/td>\n<\/tr>\n | ||||||
24<\/td>\n | 6.14 Static magnetic field (fraud protection) 6.15 Electromagnetic field at mains frequency <\/td>\n<\/tr>\n | ||||||
25<\/td>\n | 6.16 Internal pressure 6.17 Pressure loss 6.18 Electromagnetic emission <\/td>\n<\/tr>\n | ||||||
26<\/td>\n | 6.19 24 hours interruption in the mains power supply voltage 7 Documentation <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Heat meters – Pattern approval tests<\/b><\/p>\n |