FIELD: technological processes.
SUBSTANCE: invention is intended to determine service life of filtering module of device for drinking water purification in household use. Indication mechanism consists of casing with indication facility in the form of indication elements and facility of these elements shifting, which represents channel with inlet and outlet parts. Inlet part of channel is arranged so that every element, when inserted in channel inlet part in the process of liquid purification device inclination, prevents the chance of the next element insertion into it. Indication elements are made in the form of sphere.
EFFECT: mechanism of service life indication for device of liquid purification is simple in design and reliable in operation.
17 cl, 6 dwg
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