lamp-life-calculator-xls

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					LAMP LIFE CALCULATOR V2.0
CHANGES IN VOLTAGE - 50% to 100% in 1% increments*
*(we assume you will not want to overdrive the lamp.)



       If you need specific values for lamp life or intensity, this wookbook may help.

   If you're using a quartz halogen lamp other than DDL, EKE or EJA, you can use this
                   spreadsheet to determine lamp life at a rated voltage.


   If you know the lamp manufacturer's rated lumen and color temperature values, this
  spreadsheet will also display the resulting change for one or both data values when a
                                    voltage is included.
            Insert the full rated voltage for your particular lamp in the ORANGE box ………
                         Insert the full rated lamp life into the GREEN box…..
                       If you know the Lumen value… insert it in the BLUE box
                If you know the Color temperature value… insert it in the YELLOW box
                                                              LAMP LIFE (Hours)


                                                                                       YOUR LAMP YOUR LAMP YOUR LAMP
Voltage % Intensity% Lamp life % DDL      EKE      EJA                                    LIFE   Voltage (volts) Lumen Value
 100.00% 100.00%           100%       500      200                                40
  99.00%     96.84%        113%       564      226                                45
  98.00%     93.74%        127%       637      255                                51
  97.00%     90.71%        144%       721      288                                58
  96.00%     87.75%        163%       816      326                                65
  95.00%     84.86%        185%       925      370                                74
  94.00%     82.04%        210%      1051      420                                84
  93.00%     79.28%        239%      1194      478                                96
  92.00%     76.58%        272%      1360      544                               109
  91.00%     73.95%        310%      1551      620                               124
  90.00%     71.38%        354%      1770      708                               142
  89.00%     68.87%        405%      2024      810                               162
  88.00%     66.43%        464%      2318      927                               185
  87.00%     64.04%        532%      2659     1064                               213
  86.00%     61.72%        611%      3055     1222                               244
  85.00%     59.45%        703%      3515     1406                               281
  84.00%     57.24%        810%      4052     1621                               324
  83.00%     55.09%        936%      4678     1871                               374
  82.00%     52.99%      1082%       5410     2164                               433
  81.00%     50.95%      1254%       6268     2507                               501
  80.00%     48.97%      1455%       7276     2910                               582
  79.00%     47.03%      1692%       8461     3385                               677
  78.00%     45.15%      1972%       9859     3944                               789
                                          LAMP LIFE (Hours)


                                                               YOUR LAMP YOUR LAMP YOUR LAMP
Voltage % Intensity% Lamp life % DDL      EKE      EJA            LIFE   Voltage (volts) Lumen Value
  77.00%     43.33%      2302%      11510     4604       921
  76.00%     41.55%      2693%      13465     5386      1077
  75.00%     39.83%      3157%      15785     6314      1263
  74.00%     38.15%      3709%      18543     7417      1483
  73.00%     36.53%      4366%      21832     8733      1747
  72.00%     34.95%      5152%      25762    10305      2061
  71.00%     33.42%      6094%      30470    12188      2438
  70.00%     31.94%      7225%      36124    14450      2890
  69.00%     30.50%      8586%      42932    17173      3435
  68.00%     29.11%     10230%      51152    20461      4092
  67.00%     27.76%     12221%      61104    24442      4888
  66.00%     26.46%     14638%      73188    29275      5855
  65.00%     25.20%     17581%      87904    35162      7032
  64.00%     23.98%     21176%     105879    42352      8470
  63.00%     22.80%     25581%     127904    51162     10232
  62.00%     21.66%     30996%     154978    61991     12398
  61.00%     20.56%     37674%     188370    75348     15070
  60.00%     19.50%     45939%     229697    91879     18376
  59.00%     18.48%     56205%     281026   112410     22482
  58.00%     17.50%     69002%     345012   138005     27601
  57.00%     16.55%     85016%     425081   170032     34006
  56.00%     15.64%    105134%     525671   210268     42054
  55.00%     14.76%    130511%     652556   261022     52204
  54.00%     13.92%    162658%     813289   325316     65063
  53.00%     13.11%    203559% 1017793      407117     81423
  52.00%     12.34%    255835% 1279175      511670   102334
  51.00%     11.59%    322967% 1614834      645934   129187
  50.00%     10.88%    409600% 2048000      819200   163840
  YOUR LAMP
Color Temperature
    Degrees K
  YOUR LAMP
Color Temperature
    Degrees K

				
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