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Filter Bed Depth Gauge Tracks Media Loss
Author(s) -
Evenson James S.,
Batzer Greg
Publication year - 1996
Publication title -
opflow
Language(s) - English
Resource type - Journals
eISSN - 1551-8701
pISSN - 0149-8029
DOI - 10.1002/j.1551-8701.1996.tb00573.x
Subject(s) - gauge (firearms) , filter (signal processing) , track (disk drive) , geology , engineering , mechanical engineering , geography , electrical engineering , archaeology
Water system operators in Grand Forks, North Dakota, created a filter bed depth gauge to keep track of the amount of filter media that is lost. The gauge can be made of materials that are probably lying around the plant, is easy to use and more than adequate concerning accuracy.