CIBSE/1 42/16873a/03.97 Mike Smith Designs LIBERTY SRS 250W SON-T lamp position 1 LIBERTY SRS 250S1 lantern 250W SON-T PLUS 1 1 .56 .56 .62 1 285 316 0 51 32 0 5 10 15 20 25 30 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 55 60 65 70 75 80 85 90 112.5 108.1 111.1 114.8 118.2 117.1 109.2 105.5 104.2 102.8 99.6 96.3 94.3 92.2 89.2 86.2 85 83.9 78.4 72.8 64.5 56.2 53.2 50.2 47 43.8 45.4 46.8 40.6 34.3 30.9 27.4 23 18.7 14.2 9.7 6 2.3 1.4 1.2 .7 .7 .5 .5 .2 0 0 0 0 0 0 112.5 107.9 108.6 111.9 116.1 113.9 112.3 108.8 105.4 101.9 98.4 94.9 92.9 90.7 86.7 82.6 80.1 77.4 75.9 74.1 66.5 58.7 53.4 48.2 42.1 36 35.3 34.6 33.9 33 29.9 26.9 22.4 18 14.4 10.9 5.6 2.2 1.3 1.2 .7 .7 .5 .5 .2 0 0 0 0 0 0 112.5 108.5 112.1 110.8 112 111.4 107.9 101.8 102.5 103 97.4 91.7 91.4 90.9 88.2 85.1 83.5 81.8 78.1 74.2 63.6 53.1 42.2 31.2 26.7 22.1 24.4 26.5 27.5 28.5 26.3 24 20.4 16.9 13.4 10 4.3 2.2 1.3 1.2 .7 .7 .5 .3 .2 0 0 0 0 0 0 112.5 109.7 111.6 111.8 111.6 112.5 110.9 106 104.6 103.1 99 94.9 94.9 94.9 93.1 91.1 88.1 85 79 72.8 58.7 44.6 35.6 26.4 20.8 15.2 21.1 26.9 25.7 24.4 23.6 22.8 19.3 15.8 12.5 9.2 4.2 2.3 1.4 1.2 .7 .5 .5 .3 .2 0 0 0 0 0 0 112.5 110.3 111.3 112.2 111.4 113 112.3 108 105.7 103.1 99.8 96.4 96.7 96.8 95.5 94.1 90.4 86.7 79.4 72.1 56.3 40.4 32.2 23.9 17.9 11.7 19.5 27.1 24.8 22.3 22.3 22.2 18.7 15.3 12.1 8.9 4.2 2.3 1.4 1.2 .7 .5 .5 .2 .2 0 0 0 0 0 0 112.5 110.7 110 112.3 111 112 108.7 108 106.2 104.1 100.5 96.7 97.6 98.4 97.2 95.8 92.7 89.7 82.8 75.9 59.3 42.7 33.9 25 18 10.9 21.7 32.2 26.1 19.9 20.1 20.2 17.3 14.3 11.2 8 4.2 2.4 1.4 1.2 .7 .5 .4 .2 .2 0 0 0 0 0 0 112.5 111 108.7 112.4 110.6 110.9 105.1 108 106.6 105.1 101.1 97 98.6 100.1 98.8 97.4 95.1 92.7 86.2 79.7 62.3 44.9 35.5 26.1 18.2 10.1 23.8 37.3 27.4 17.4 17.9 18.2 15.8 13.4 10.3 7.2 4.3 2.5 1.4 1.2 .7 .5 .3 .2 .1 0 0 0 0 0 0 112.5 111.4 107.4 112.5 110.2 109.9 101.5 107.9 107.1 106.1 101.7 97.3 99.5 101.7 100.4 99 97.4 95.7 89.6 83.6 65.4 47.2 37.2 27.2 18.3 9.3 26 42.4 28.8 14.9 15.6 16.2 14.3 12.5 9.4 6.3 4.3 2.6 1.4 1.2 .7 .5 .2 .2 0 0 0 0 0 0 0 112.5 111.8 107 111.3 110 108.9 101.9 109.3 108.6 107.7 102.9 98.1 100.4 102.6 101.4 100 98.6 97.1 93.3 89.5 69.5 49.5 39.9 30.2 19.7 9.1 24.3 39.3 27.1 14.7 14.7 14.7 12.7 10.8 8.3 5.8 4 2.5 1.4 1.1 .6 .4 .2 .2 0 0 0 0 0 0 0 112.5 112.2 106.6 110.1 109.7 107.9 102.3 110.6 110 109.3 104.1 98.9 101.2 103.4 102.3 101 99.8 98.5 97 95.3 73.6 51.8 42.6 33.3 21.1 8.8 22.6 36.2 25.4 14.5 13.9 13.1 11.1 9.1 7.1 5.2 3.7 2.4 1.4 1 .5 .4 .2 .2 0 0 0 0 0 0 0 112.5 112.6 106.1 108.9 109.4 106.8 102.7 112 111.5 110.9 105.3 99.7 102 104.3 103.2 101.9 101 99.9 100.6 101.2 77.7 54.1 45.3 36.4 22.5 8.5 20.9 33.1 23.8 14.3 13 11.6 9.5 7.4 6 4.7 3.4 2.3 1.4 .9 .5 .4 .2 .1 0 0 0 0 0 0 0 112.5 113 106 108.5 109.7 107.7 103.9 111.8 112.2 112.7 104.4 102.2 105.3 106.7 106 104.2 102.5 104.1 104.1 107.1 89.7 60.2 48 39.3 22.6 8.4 19.5 28.7 20.5 14.1 17.3 11.9 9.4 6.8 5.5 4.2 3.1 2.2 1.3 .9 .4 .3 .2 .1 0 0 0 0 0 0 0 112.5 113.4 105.8 108.1 110.1 108.6 105.1 111.7 112.9 114.4 103.5 104.7 108.6 109.2 108.7 106.5 104.1 108.2 107.5 112.9 101.6 66.4 50.8 42.2 22.7 8.2 18.1 24.3 17.2 14 21.6 12.3 9.2 6.2 4.9 3.6 2.9 2 1.2 .9 .4 .2 .1 0 0 0 0 0 0 0 0 112.5 113.9 105.7 107.7 110.4 109.5 106.4 111.6 113.7 116.2 102.6 107.3 111.9 111.7 111.5 108.8 105.6 112.4 110.9 118.7 113.5 72.5 53.5 45 22.8 8 16.7 19.8 14 13.9 26 12.6 9.1 5.6 4.4 3.1 2.7 1.8 1.2 .9 .3 .1 0 0 0 0 0 0 0 0 0 112.5 116.8 110.4 111.6 113.8 115.6 111.7 115.9 120 119.7 116.1 113.9 121.6 122.2 124.2 122.3 122.4 129.3 139.6 147.1 147 105 77.1 58.8 31.9 11 16.1 19 18.8 16.1 23.7 12.6 9.4 6.2 4.6 3 2.6 1.9 1.5 1 .5 .2 .2 .1 0 0 0 0 0 0 0 112.5 117.7 110.8 112.5 116.2 117.4 115.8 122.1 124.5 125.6 125.7 123.8 135.2 140.2 143.9 148.2 156.8 168.1 191.2 202.8 205.7 152.1 107.1 77.9 43 15.1 14.9 21.3 20.8 16.3 21 12.8 9.7 6.6 4.9 3.2 2.3 1.7 1.2 1 .5 .2 .1 0 0 0 0 0 0 0 0 112.5 114.1 108.2 110.1 113.7 122.7 122.4 131.6 137.5 144.7 147.2 152.5 172 181.8 192.7 208.9 221 236 263.7 277.5 262 188.3 128.3 105.2 42.2 13.3 13.5 23.2 19 16.2 17.4 11.5 8.8 6.1 4.4 2.8 2 1.6 1.2 .9 .5 .2 0 0 0 0 0 0 0 0 0 112.5 117.3 112.2 114.4 120.1 131.5 134.5 155 163.8 176.8 188.5 209.3 230.5 249 262.1 283.9 290.1 295.2 316.1 320.8 301.5 216.9 143.1 92.7 54.5 17.1 13 24.8 25.4 16.8 15 11.6 9.2 6.9 5 3.2 2.1 1.7 1.2 1 .6 .2 .1 0 0 0 0 0 0 0 0 112.5 117.3 114.1 116.6 127.1 140.7 150.6 182.5 201.5 218.3 242.9 270.1 293.7 307.8 314 335.6 332.1 327.5 339.7 332.9 302.7 208.4 135.6 86.7 55.5 15.3 12.7 25.4 25.9 17.3 13.5 10.6 9.4 8.3 5.7 3.2 2.1 1.7 1.2 1 .6 .2 .1 0 0 0 0 0 0 0 0 112.5 115.4 112.1 120.5 134.6 156 175.7 218.5 243.4 267.8 298.4 311.5 340.4 344.1 343.6 360.7 342.2 328.6 327.5 306.3 255.8 166.5 106.5 83.8 25.8 8.8 16.6 24.8 21.2 14.5 10.2 10.5 9.5 8.6 5.7 2.7 1.9 1.4 1 .8 .3 0 0 0 0 0 0 0 0 0 0 112.5 117.7 116.8 125.6 143.2 165.8 195 241.2 272.8 299.5 324.5 340.4 365.3 372.1 367.2 370.5 356.7 328.6 312.5 281.5 238.7 157.3 96.9 65.5 47.5 9.2 14.3 23.8 21.4 15 12.3 10.1 9.6 9.2 6.1 3 2.2 1.4 1 .8 .6 .2 .1 0 0 0 0 0 0 0 0 112.5 117.6 117.5 130.7 152 177.9 212.4 262.5 295.6 325.5 349.9 364.3 387.1 396.9 383.8 377 354.5 318.2 286.8 248.6 202.1 136.5 81.5 51.1 40.2 7.4 18.3 22.6 20.4 15.4 12.4 11.3 9.6 8 5.5 3 2.2 1.5 1 1 .6 .2 .1 0 0 0 0 0 0 0 0 112.5 116 119.6 139.5 163.9 191.4 224.3 272.1 307.7 337.5 366.4 375.6 387.3 388.7 369.9 348.8 323.8 285.3 238.8 200 159.8 99.6 61.2 52 18.4 8 17.2 20.3 15.9 12.8 11.9 10.8 8.8 6.7 4.7 2.7 1.9 1.4 .9 .8 .4 .2 0 0 0 0 0 0 0 0 0 112.5 118.4 123.6 144.2 172.4 200.5 234.2 283.8 317.3 350.9 381.7 386.9 389.5 388.2 365.8 340.3 318.7 284.6 234.8 185.7 145.2 93.5 54 36.6 27.6 7.8 14.9 17.4 16.5 14.4 13.2 11.8 9.2 6.7 4.9 3 1.9 1.5 1 .8 .6 .2 .1 0 0 0 0 0 0 0 0 112.5 116.5 124.8 147.6 178.6 205.6 235.8 291.4 325.5 357 386.9 392.8 383.1 366 346.2 312.1 296.7 264.5 221.1 164.4 122.7 77.7 45.4 36.1 23 7.8 14.4 15.6 15.4 15.8 14.4 11.9 9 6.2 4.6 3 1.8 1.5 1 .7 .4 .2 0 0 0 0 0 0 0 0 0 112.5 116.8 128.6 154.9 185.8 209.1 241.5 293.8 333.2 362.7 383.6 380.6 356.7 327.6 310.6 276.9 256.2 221.8 179.6 124 84.8 50.3 32.8 26.8 10 8.3 11.4 15.2 14.2 15.3 13.2 9.8 7.7 5.6 4.1 2.6 1.6 1.1 .8 .7 .3 0 0 0 0 0 0 0 0 0 0 112.5 116.6 129.4 154.2 185.1 215.3 242.9 289.5 325.6 359.2 387.8 384.9 357 324.6 297.7 271.1 252.1 216.8 173 122.3 83.1 51.9 29 29.4 14.1 8.1 11 15.3 16.2 15.8 13.3 11.1 8.7 6.3 4.6 3 1.8 1.2 .8 .7 .5 .2 0 0 0 0 0 0 0 0 0 112.5 116.9 132.2 156.3 183.9 215.1 244.2 291.5 323.2 353.8 377.5 366.4 337.2 309.7 278.1 255.1 234.4 199.2 156.8 106 71.3 41.3 21.5 20.8 11.1 6.9 10.4 14.4 16.4 15.6 13.1 11.4 9 6.7 4.9 3.1 1.7 1.2 .8 .7 .4 .2 0 0 0 0 0 0 0 0 0 112.5 116.4 134 159.1 185.7 213.5 247.7 296.1 329.1 350.2 355.4 333.5 302 268.6 242.2 220.4 198.1 156.6 119.9 77.6 49.3 26.2 13.6 13.2 7.1 8 11.6 14.8 15.4 13 11.3 10 8.2 6.4 4.6 2.8 1.7 1.1 .7 .7 .2 0 0 0 0 0 0 0 0 0 0 112.5 117 134.2 161.9 184 214.1 251.1 297.9 326.3 351.8 361.7 339.5 306.2 270.9 235.4 204.1 175.2 148.2 108.7 76.3 49.8 30.7 13.2 10.9 9.1 5.9 10.4 13.2 15 14.2 11.1 11.1 9.1 7 5.1 3.1 1.9 1.2 .7 .7 .5 .1 0 0 0 0 0 0 0 0 0 112.5 118.4 134.7 164 189.3 211.7 253.9 310.9 341.5 370.5 374.9 344.8 306.7 266.9 232.3 199.7 161.4 136.2 99.2 67.3 47.3 27.4 11.8 8.6 8.2 5.4 11.4 14.4 16.3 14.9 10.7 10.7 8.9 7 5.3 3.5 1.9 1.2 .7 .7 .5 .1 0 0 0 0 0 0 0 0 0 112.5 115.7 136.7 165.3 194.5 217.8 261 321.8 360.7 391.3 381.9 337.8 303.1 257.6 226.1 183.8 151.5 121.1 81.4 52.1 38.6 19.9 9.1 7.3 6.6 6.9 11.2 13.9 14.6 12.3 10.5 9.8 8.1 6.4 4.6 2.7 1.6 1.1 .7 .5 .2 0 0 0 0 0 0 0 0 0 0 100 0 0 0