SEED
Guides
PDS
29 points
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9 Service life
How long do you intend your product to last? Take account of what proportion of the day, month or year it will actually be running, and at what rate.
Different periods of service may be required of different parts of the product. For example, the devices that pump water onto car windscreens are typically designed for a service life of just 24 hours. This is not very long, but still allows for over 17000 five-second applications of the pump.