CIBSE/1 42/16874a/03.97 Mike Smith Designs LIBERTY SRS 250W SON-T lamp position 5 LIBERTY SRS 250S5 lantern 250W SON-T PLUS 1 1 .56 .56 .62 1 285 316 0 52 27 0 5 10 15 20 25 30 32.5 35 37.5 40 42.5 45 47.5 50 52.5 55 57.5 60 62.5 65 67.5 70 72.5 75 77.5 80 82.5 85 87.5 90 92.5 95 97.5 100 102.5 105 110 115 120 125 130 135 140 145 150 155 160 165 170 175 180 270 285 300 310 315 320 325 330 335 340 345 350 355 0 5 10 15 20 25 30 35 40 45 50 60 75 90 168 138.7 125.4 123.9 121.9 113.9 103.9 100.9 97.6 95.4 92.9 90.1 87.4 86.4 85.4 83.6 81.6 81.6 81.4 78.6 69.6 57.8 47.8 41.8 38.3 30.5 23 22 21 19.8 19.5 18.5 18 17 14 10.8 7.5 4.8 3 1.8 1.3 .3 0 0 0 0 0 0 0 0 0 0 168 139.6 122.5 121 120.7 116.2 111.3 107.8 104.2 100.8 97 93.1 89.1 86.8 84.3 81 77.5 76.7 76 74.7 69.9 58.5 50.6 46 38.7 27.9 23 24.9 24.3 24.8 23.4 23.3 22.2 18.9 14.8 11.8 8.7 5.1 3 1.5 1.2 .3 0 0 0 0 0 0 0 0 0 0 168 140.6 127.5 116.9 117.3 113 108.5 105.1 101.5 100.9 100.3 94.7 88.9 88.7 88.3 85.5 82.6 80.8 79 79.3 75 62.1 48.7 41.7 43.6 25.7 22.6 27.5 25.7 30.1 29.5 28.6 24 20.3 16.6 13 9.3 5.4 2.6 1.5 1.1 .4 0 0 0 0 0 0 0 0 0 0 168 142.8 128.4 123.1 120.4 118 114 110.8 107.5 105.2 102.8 98.7 94.4 94.4 94.1 92.6 90.8 89.4 87.7 86.8 85.6 68.9 51.5 43.3 44.1 23.4 18.2 25.3 29.5 26.9 28.8 27.2 25.3 21.7 18 14.6 11.3 6.1 3 1.8 1.2 .5 .2 0 0 0 0 0 0 0 0 0 168 143.9 128.8 126.2 121.9 120.5 116.7 113.6 110.4 107.3 104 100.7 97.1 97.2 97.1 96.1 94.9 93.7 92.1 90.6 90.8 72.4 52.9 44.1 44.3 22.3 16.1 24.3 31.4 25.3 28.5 26.5 26 22.4 18.6 15.4 12.2 6.4 3.2 1.9 1.3 .5 .3 0 0 0 0 0 0 0 0 0 168 145.9 131 128 122.5 121.2 114.5 113.1 111.6 108.8 105.9 102.3 98.5 99.4 99.9 98.8 97.5 96.2 94.8 93.3 94.2 76 55.6 45.1 43.5 22.5 14.6 22.2 33.2 24.7 26.3 25.9 25.2 22.6 18.9 15.4 12 6.8 3.3 2 1.3 .5 .3 0 0 0 0 0 0 0 0 0 168 147.8 133.1 129.8 123 121.9 112.2 112.6 112.8 110.3 107.7 103.9 100 101.5 102.8 101.5 100 98.7 97.4 96.1 97.6 79.6 58.3 46.1 42.6 22.7 13.1 20.2 34.9 24.1 24.2 25.4 24.4 22.7 19.2 15.5 11.7 7.2 3.5 2.1 1.3 .6 .3 .1 0 0 0 0 0 0 0 0 168 149.7 135.2 131.6 123.6 122.6 110 112 113.9 111.8 109.6 105.5 101.4 103.7 105.7 104.2 102.5 101.3 100 98.9 101 83.1 61 47.2 41.8 22.9 11.6 18.1 36.7 23.5 22 24.8 23.7 22.8 19.5 15.5 11.4 7.6 3.6 2.3 1.4 .6 .3 .1 0 0 0 0 0 0 0 0 168 151.8 139 135.5 127.9 124.9 113.3 115.9 118.4 116.6 114.6 110 105.1 107.3 109.3 107.9 106.4 105.6 104.8 104 107.7 90.9 65.7 50.2 43.9 23.9 11.9 16.9 35.1 22.7 22.9 25.8 23.6 21.3 19 15 11.1 7.6 3.6 2.3 1.4 .7 .3 .2 0 0 0 0 0 0 0 0 168 153.8 142.8 139.4 132.3 127.1 116.7 119.8 122.8 121.4 119.7 114.4 108.8 110.9 112.9 111.6 110.2 109.9 109.5 109.1 114.4 98.7 70.4 53.2 46 24.8 12.1 15.7 33.5 21.9 23.7 26.9 23.6 19.8 18.4 14.6 10.8 7.5 3.6 2.3 1.5 .8 .4 .2 0 0 0 0 0 0 0 0 168 155.9 146.6 143.3 136.6 129.4 120 123.7 127.3 126.1 124.7 118.8 112.6 114.6 116.5 115.3 114.1 114.2 114.3 114.2 121.1 106.4 75.1 56.2 48.1 25.7 12.3 14.5 31.9 21 24.6 28 23.6 18.3 17.8 14.2 10.5 7.5 3.6 2.3 1.5 .9 .5 .3 0 0 0 0 0 0 0 0 168 158.8 151.9 150.2 145.3 138 128.3 135.8 136.8 136.1 136.5 126.1 126.2 129 127.5 127.8 124.9 125.6 130.3 130.3 136.7 128.7 92.4 67.7 53.7 30.4 13.1 19 27.5 19.7 24.7 28.2 21.8 17.8 15.2 12.7 10.2 7.2 3.5 2.3 1.5 .8 .4 .3 0 0 0 0 0 0 0 0 168 161.2 156.9 160.3 155.4 153.5 142.2 150.2 154.6 156.2 159.7 146.2 151.1 156 153.5 153.8 158 162.2 172.4 178.1 185.9 175.3 126.3 93.5 65.4 37.6 15.7 22.5 23.5 20.3 24.8 28.1 21.7 16.6 14.2 12.1 9.9 6.9 3.4 2.3 1.5 1 .4 .4 0 0 0 0 0 0 0 0 168 162.9 163.5 168.1 168 174 165.3 173.5 182.6 191.6 195.3 187.3 193.4 201.6 198.4 200.6 213.7 226.9 241.3 257.2 266.4 252.2 184.2 128.9 83.9 45.2 18.8 20.7 22.2 21 21.4 28.2 21.5 14.9 13.1 11.1 9.1 6.4 3.2 2.2 1.5 1 .4 .4 0 0 0 0 0 0 0 0 168 166.7 170 178.1 184 196.8 192.6 203.9 219 234.1 240.7 241.6 248.7 259.9 260.4 268 292.9 310.5 323.6 340.4 343.1 315.8 222.3 150 99.8 52.3 20.7 18.5 21.1 22.9 21.9 28.1 20.3 14.1 12.7 10.5 8.4 5.9 3.2 2.3 1.5 1 .4 .4 0 0 0 0 0 0 0 0 168 168.5 176.4 186.8 196 215.1 216.6 230.8 253.7 271 282.8 290.7 298.2 317.2 318.6 325.4 351.6 366 370.7 377 364.2 330.9 223.5 144.9 100.3 53.1 20.3 16.7 20.9 24.9 19.4 23.2 17.2 13.5 12.3 10.2 8.2 5.4 3.2 2.2 1.5 1 .5 .3 0 0 0 0 0 0 0 0 168 171.4 182 194.3 206.7 231.1 237.1 257.4 286.6 303.6 319.7 334.2 339.8 360.3 358.1 358.1 380.7 392.5 388.7 383 356.4 308.9 208.9 128.8 89.4 48.8 17 14.9 21.9 28.6 20.3 19.1 16.7 12.7 11.7 9.7 7.8 4.8 2.9 2.2 1.5 1 .5 .3 0 0 0 0 0 0 0 0 168 174.1 185.1 201.4 217.4 243.1 256.2 282.2 310.9 330.9 347.9 360.2 362.9 381.2 377.2 373.3 388.6 392.7 376.2 356.5 319.7 270.6 176.6 109.9 75.9 42.9 14.7 13 23.9 26 18.8 18.3 15 12.6 11.5 9.3 7.1 4.5 2.7 2.1 1.5 .9 .4 .3 0 0 0 0 0 0 0 0 168 176.1 188.7 209.4 229.4 255.6 271.7 299.1 327.6 353 365.6 375 376.4 386.2 382.4 370.3 375.9 369 343.2 315.4 269.3 220.7 142.2 87.8 65.9 38.8 10.9 11.8 26.6 25.8 18.8 16.3 12.9 11.9 11 8.8 6.5 4.1 2.7 1.9 1.5 .8 .3 .3 0 0 0 0 0 0 0 0 168 178.7 190.6 215.5 234.4 264.8 286.9 308.9 336 365.1 373.6 381 369 381.2 369.8 351.7 340.5 321.7 282.9 248.9 206.3 167 110.6 66.7 53.6 35.4 8 11.3 26.7 23.1 17.3 14 12.3 11.5 10.8 8.2 5.6 3.5 2.4 1.8 1.5 .8 .3 .3 0 0 0 0 0 0 0 0 168 182.2 198.4 223.5 243.8 272.9 295.8 313.9 342.3 367.6 379.5 381.1 367.2 364 347 317.1 288 257.6 226.4 194.2 159.5 131.5 93.1 53.9 49.3 32.7 6.6 13.1 24.7 23 17.1 14.7 11.6 12.2 10.6 7.9 5.3 3.2 2.2 1.9 1.5 .8 .3 .3 0 0 0 0 0 0 0 0 168 184.5 205 229.2 248.2 278.6 305.4 319.8 343.1 361.6 378.1 375.9 351.2 323.9 306.6 266.3 231.6 202.3 179.9 151.6 125.6 105.4 77.8 46.3 37.3 33.3 5.8 17.2 21.9 21.1 16 14.7 12.3 11.9 9.7 7.2 4.8 3 2.2 1.4 1 .6 .3 .1 0 0 0 0 0 0 0 0 168 185.6 205.6 232 253.2 283.4 304.7 320.8 335.7 349.8 359.4 353.4 315.2 273.1 253.4 219.1 187.2 156 136 116.4 97.6 85.7 64.2 42 34.4 28.4 6.8 17.4 18.1 18.4 15.9 13 12.1 11.2 8.8 6.6 4.3 2.7 2 1.9 1.3 .6 .3 .1 0 0 0 0 0 0 0 0 168 185.7 208.8 236.1 257.3 285.1 308.1 320.2 330.4 338.8 341.4 326.6 290.5 240.9 211.8 183.9 159.9 129.7 106 94.5 81.9 72.2 54.3 35.5 32 24.3 8.4 15.7 17.4 17.5 15.9 14.3 12.5 10.3 7.5 5.7 3.9 2.5 1.9 1.4 1 .5 .1 .1 0 0 0 0 0 0 0 0 168 190.5 213.3 239.4 262.2 285 305 309.7 312.2 307.4 287.8 254.5 218.4 190.5 171.2 152.6 132.3 106.6 83.5 64.7 56.3 49.6 37.3 25.6 31.1 15.7 9.2 11.6 16 17.5 16.2 14.3 10.8 9.1 6.6 4.9 3.3 2 1.8 1.3 1 .5 .1 0 0 0 0 0 0 0 0 0 168 194 217.6 240.8 269 294.8 307.2 298.9 290.4 264.6 238.6 206.3 173.8 154.3 134.9 122.7 110.4 95.7 81 62.4 43.8 32.6 21.4 12.3 13.7 8.8 6.4 10.9 15.4 16.2 14.6 11.6 10.5 9 6.7 5 3.3 2 1.8 1.4 1 .5 .3 0 0 0 0 0 0 0 0 0 168 199.8 221.1 245.8 282.6 314.4 337.8 332.7 316.9 299.9 280.6 227.5 178.2 144.9 122 101.9 85.9 77.3 53.1 40.9 29.7 23.1 15.2 8.1 6.9 7.1 5.3 12.2 14 15 13.5 9.7 9.7 8.1 6.6 5.1 3.6 2 1.8 1.5 1 .5 .3 0 0 0 0 0 0 0 0 0 100 0 0 0