BS EN 15947-4:2015 pdf download – Pyrotechnic articles — Fireworks, Categories F1, F2 and F3 Part 4: Test methods 4.2 Indoor The test area shall be indoors. The test area shall be inside a fume cupboard, or similar enclosed space, which is capable of preventing movement of air. 4.3 Outdoor 4.3.1 General The test area shall be an outdoor site. If applicable, provisions shall be made at the centre of the test area for partially burying into the ground. If applicable, insert support pole in the centre of the test area. A means of measuring the wind speed at a height of 1,5 m above the ground shall be provided. No performance testing shall be carried out if the wind speed exceeds 5,0 m/s. 4.3.2 Category F1 A test area meeting the requirements given in 4.1, with a radius of at least 2,0 m and a circle, radius 1,0 m, shall be marked around the centre of the test area. 4.3.3 Category F2 A test area meeting the requirements given in 4.1, with a radius of at least 9,0 m and a circle, radius 8,0 m, shall be marked around the centre of the test area. 4.3.4 Category F3 A test area meeting the requirements given in 4.1, with a radius of at least 16,0 m and a circle, radius 15,0 m, shall be marked around the centre of the test area. 4.4 Monitoring height Two positions for monitoring the height of ascent and angle of flight shall be provided, at a measured distance of at least 50 m from and at an angle of 90° to each other in relation to the testing point. If the monitoring positions are not in the same horizontal plane, appropriate corrections shall be made in the calculation of heights. If necessary the measuring distance and the number of positions may be adapted to the firework. 5 Apparatus NOTE The described apparatuses are only examples, any equivalent apparatus with the same accuracy or better can be used. 5.1 Timing device. 5.1.1 Timing device, capable of being read to the nearest 0,1 s. 5.1.2 Timing device, capable of being read to the nearest 1 min. 5.2 Calliper, flat faced vernier calliper reading to 0,1 mm, conforming to ISO 13385-1. 5.3 Ruler, reading to 1 mm. 5.4 Measuring tape, reading to 10 mm. 5.5 Wind speed meter, capable to measure with accuracy of at least 0,5...

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