FIELD: water purification filters in form of accumulating filters.
SUBSTANCE: proposed system includes at least one cartridge for filter, filtered water outlet and flow sensor system for obtaining data on water flow through water outlet. Flow sensor system includes pair of sensors which are so positioned that when outlet is open and water flows through it between sensors, sensors are electrically connected to electronic monitoring panel and water flow may be measured on basis of time during which electrical connection is made; state of system is determined on basis of measured flow of water.
EFFECT: ease of determination and low cost of determination of cartridge service life.
3 cl, 8 dwg
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