FIELD: water treatment.
SUBSTANCE: invention is intended for water filtration in field conditions. Filter holder consists of sealed container of opaque material consisting of upper and lower parts and annular seals. Each of the parts consists of combined together: perforated base, light shutter and cover. Light gates are installed before and after filter. At the inlet and outlet of the filter holder there are holes for tight connection of the filtered liquid supply device and removal of filtrate and installation of sealed plugs. Device has an RFID-tag with an antenna for non-contact data recording / reading.
EFFECT: simplified filtering of water samples, increased accuracy of measurements due to exclusion of illumination during filtration, reduced requirements for personnel performing filtration and transportation.
1 cl, 3 dwg
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