| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 78<\/td>\n | 1 Scope 2 Normative references <\/td>\n<\/tr>\n | ||||||
| 79<\/td>\n | 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
| 86<\/td>\n | 4 General requirements 4.1 Introduction 4.2 Construction 4.2.1 General 4.2.2 Indicating devices 4.2.2.1 General <\/td>\n<\/tr>\n | ||||||
| 87<\/td>\n | 4.2.2.2 Dead bands <\/td>\n<\/tr>\n | ||||||
| 88<\/td>\n | 4.2.3 Alarm output functions 4.3 Fault signals 4.4 Adjustments <\/td>\n<\/tr>\n | ||||||
| 89<\/td>\n | 4.5 Battery-powered apparatus 4.6 Gas detection transmitter for use with separate control units 4.7 Separate control units for use with gas detection transmitters 4.8 Apparatus using software and\/or digital technologies 4.9 Labelling and marking 4.9.1 General <\/td>\n<\/tr>\n | ||||||
| 90<\/td>\n | 4.9.2 Identification of the gas to be detected 4.10 Instruction manual <\/td>\n<\/tr>\n | ||||||
| 93<\/td>\n | 5 Test methods 5.1 General requirements for tests 5.2 Samples and sequence of tests 5.2.1 Test samples 5.2.2 Sequence 5.2.3 Gas detection transmitters 5.2.4 Separate control units <\/td>\n<\/tr>\n | ||||||
| 94<\/td>\n | 5.2.5 Test of compliance with general requirements 5.2.6 Apparatus with selectable range 5.2.7 Preparation of apparatus before each particular test <\/td>\n<\/tr>\n | ||||||
| 95<\/td>\n | 5.2.8 Mask for calibration and test 5.3 Normal conditions for test 5.3.1 General <\/td>\n<\/tr>\n | ||||||
| 96<\/td>\n | 5.3.2 Test gas(es) 5.3.3 Flow rate for test gases 5.3.4 Power supply 5.3.5 Temperature 5.3.6 Pressure 5.3.7 Humidity <\/td>\n<\/tr>\n | ||||||
| 97<\/td>\n | 5.3.8 Stabilization 5.3.9 Orientation 5.3.10 Communications options 5.3.11 Gas detection apparatus as part of systems 5.4 Tests 5.4.1 General <\/td>\n<\/tr>\n | ||||||
| 98<\/td>\n | 5.4.2 Unpowered storage 5.4.3 Measurement of deviations 5.4.3.1 Zero uncertainty, relative expanded uncertainty and calibration curve for EN\u00a045544-2 apparatus 5.4.3.2 Calibration curve for EN\u00a045544-3 apparatus <\/td>\n<\/tr>\n | ||||||
| 99<\/td>\n | 5.4.4 Mechanical tests 5.4.4.1 Vibration <\/td>\n<\/tr>\n | ||||||
| 100<\/td>\n | 5.4.4.2 Drop test 5.4.5 Environmental tests 5.4.5.1 Temperature <\/td>\n<\/tr>\n | ||||||
| 101<\/td>\n | 5.4.5.2 Pressure 5.4.5.3 Humidity 5.4.5.4 Air velocity <\/td>\n<\/tr>\n | ||||||
| 102<\/td>\n | 5.4.6 Performance tests 5.4.6.1 Alarm set point(s) <\/td>\n<\/tr>\n | ||||||
| 103<\/td>\n | 5.4.6.2 Time to alarm or alarm reading 5.4.6.3 Flow rate 5.4.6.4 Warm-up time <\/td>\n<\/tr>\n | ||||||
| 104<\/td>\n | 5.4.6.5 Time of response 5.4.6.6 Time of recovery 5.4.6.7 Addition of sampling probe (portable and transportable apparatus only) 5.4.6.8 Field calibration kit <\/td>\n<\/tr>\n | ||||||
| 105<\/td>\n | 5.4.6.9 Gas concentrations above the full scale indication 5.4.6.10 Extended operation in test gas 5.4.6.11 Orientation tests <\/td>\n<\/tr>\n | ||||||
| 106<\/td>\n | 5.4.7 Electrical tests 5.4.7.1 Battery capacity for battery-powered apparatus 5.4.7.2 Power supply variations 5.4.7.3 Electromagnetic compatibility <\/td>\n<\/tr>\n | ||||||
| 107<\/td>\n | 5.4.7.4 Time-weighted average (TWA) function 5.4.8 Stability 5.4.9 Verification of software and digital components 6 Uncertainty of measurement and lower limit of measurement 6.1 General <\/td>\n<\/tr>\n | ||||||
| 108<\/td>\n | 6.2 Method of calculation of uncertainty of measurement 6.2.1 General <\/td>\n<\/tr>\n | ||||||
| 109<\/td>\n | 6.2.2 Sources of uncertainty 6.2.2.1 General 6.2.2.2 Measurement of deviations (from 5.4.3) <\/td>\n<\/tr>\n | ||||||
| 110<\/td>\n | 6.2.2.3 Temperature (from 5.4.5.1) 6.2.2.4 Pressure (from 5.4.5.2) 6.2.2.5 Humidity (from 5.4.5.3) <\/td>\n<\/tr>\n | ||||||
| 111<\/td>\n | 6.2.2.6 Air velocity (from 5.4.5.4) 6.2.2.7 Flow rate (from 5.4.6.3) <\/td>\n<\/tr>\n | ||||||
| 112<\/td>\n | 6.2.2.8 Sampling probe (from 5.4.6.7) 6.2.2.9 Field calibration kit (from 5.4.6.8) 6.2.2.10 Extended operation in test gas (from 5.4.6.10) <\/td>\n<\/tr>\n | ||||||
| 113<\/td>\n | 6.2.2.11 Orientation (from 5.4.6.11) 6.2.2.12 Battery capacity (from 5.4.7.1) 6.2.2.13 Power supply variations (from 5.4.7.2) <\/td>\n<\/tr>\n | ||||||
| 114<\/td>\n | 6.2.2.14 Stability (from 5.4.8) 6.2.3 Calculation of relative expanded uncertainty 6.3 Method of calculation of lower limit of measurement <\/td>\n<\/tr>\n | ||||||
| 116<\/td>\n | 7 Test report <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Tracked Changes. Workplace atmospheres. Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours – General requirements and test methods<\/b><\/p>\n |