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Organization:Institute for Water Technology (Spain) As any other
measuring device, a water meter is not an ideal instrument and
is not capable of registering the exact amount of water consumed
by a user. Every water meter, no matter its type, has
considerable measuring limitations. Often, part of the water
that is consumed is not registered and therefore not charged to
the customer. Other times, depending on the water meter
technology, some particular factors may lead to the opposite
result, that is, to an over registration of the water
consumption. In any of these two cases, since water meter
inaccuracies are recognised as a critical component of apparent
losses, it is important to be capable of quantifying the
magnitude of these measuring errors. Nowadays there is a general
lack of information, based on real data, about the actual effect
of different parameters in the performance of water meters.
Hence, technical staff in the water utility has to