【正文】
Room air velocity test ................................................................................................................................. 13 Alarm system test ........................................................................................................................................ 13 Containment test ......................................................................................................................................... 13 Robustness of containment ....................................................................................................................... 13 Air exchange efficiency............................................................................................................................... 13 Sound pressure measurement ................................................................................................................... 13 Illuminance test............................................................................................................................................ 13 8 Routine testing of qualified fume cupboards ........................................................................................... 13 9 Onsite test reports...................................................................................................................................... 13 Test report for missioning testing of type tested fume cupboards (see Clause 5)....................... 13 Test report for routine testing of type tested fume cupboards (see Clause 6) ..................................... 14 Test report for qualification testing of non type tested fume cupboards (see Clause 7) .................... 14 Test report for routine testing of qualified fume cupboards (see Clause 8) ......................................... 14 National annex NA (informative) Remendations for the exchange of information and remendations for installation .............................................................................................................15 EN 141754:2022 4 Licensed copy:PONTYPRIDD COLLEGE, 06/03/2022, Uncontrolled Copy, 169。s declarations or type test certification ............................................................................... 6 Face velocity test ........................................................................................................................................... 7 Objectives ....................................................................................................................................................... 7 Test equipment and probe positions ........................................................................................................... 7 Test procedure and test results ................................................................................................................... 7 Test report ...................................................................................................................................................... 7 Extract volume flow rate test ........................................................................................................................ 7 Objectives ....................................................................................................................................................... 7 Average face velocity method ...................................................................................................................... 7 Calibrated pressure difference method....................................................................................................... 8 Pressure drop test ......................................................................................................................................... 8 Objectives ....................................................................................................................................................... 8 Test equipment and test procedure............................................................................................................. 8 Expression of results .................................................................................................................................... 8 Air flow visualization ..................................................................................................................................... 8 Objectives ....................................................................................................................................................... 8 Test procedure ............................................................................................................................................... 9 Expression of results .................................................................................................................................... 9 Room air velocity test ................................................................................................................................... 9 Objectives ....................................................................................................................................................... 9 Test equipment .............................................................................................................................................. 9 Probe positions .............................................................................................................................................. 9 Test procedure and test results ................................................................................................................... 9 Alarm system test 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