Friday 29 July 2011

Can tests be combined to reduce cost?


Yes. The cost of a combined test may be less than the sum of the two tests but this may not always be the case since there are technical difficulties in combining environments which result in greater cost.
Combined testing does give the advantage of shorter environmental programs. These can have a cost benefit in terms of getting to market and meeting project payment deadlines.
There is of course a risk. If there is no need to demonstrate that the equipment can survive the tests in combination, combining the tests may represent an over test. Also if the equipment was susceptible to one of the environments in the combination and fails during a combined test, it is difficult to determine which environment actually caused the failure.

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