Life test definitions

life test

test to ascertain the probable life, under specified conditions, of an item
Found on http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=151-16-21

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life test

test in which lamps are operated under specified conditions for a specified time or to the end of life and during which photometric and electrical measurements may be made at specified intervals
Found on http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=845-07-62

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