Magetsi emota, anosanganisira mwenje, mwenje wemuswe, mwenje wemhute, uye masaini masaini, ane mazinga akasiyana eyero yekudzivirira mvura, inozivikanwawo seIP (Ingress Protection) rating. Iyo IP rating system inoshandiswa kurongedza dhigirii redziviriro iyo inovhenekesa sisitimu yekupindira kubva kune zvekunze zvinhu seguruva, tsvina, uye mvura.
Chiyero cheIP chine madhijitari maviri, yekutanga nhamba inoratidza mwero wedziviriro pazvinhu zvakasimba, uye yechipiri dhijitari inoratidza mwero wedziviriro pamvura. Iyo yakakwirira yedhijiti, iyo yakakwirira yezinga rekudzivirira.
Somuenzaniso, i oem led headlights ine IP rating ye67 zvinoreva kuti haina guruva uye inogona kumira kunyudzwa mumvura kusvika mita imwe kwemaminetsi makumi matatu. Saizvozvo, mwenje wemuswe une IP rating ye30 zvinoreva kuti haina guruva uye inogona kumira kunyudzwa mumvura inodarika mita imwe.
Inowanzo shandiswa IP ratings yemarambi emotokari iIP67 uye IP68, iyo yekupedzisira iri iyo yepamusoro nhanho yekudzivirira pamvura. Aya maresheni akakosha kune avo vari kunze-munzira vanofarira vanoda mota dzavo kuti dzimirire mamiriro ekunze akanyanya uye mamiriro enzvimbo.
Pamusoro peiyo IP chiyero, marambi emota anogona zvakare kuve nemamwe maficha ekuita kuti agare akasimba uye anogara kwenguva refu. Semuenzaniso, mamwe maraiti ekumberi ane polycarbonate lens isinga pindike uye isingapwanyike, zvichiita kuti isanyanya kutsemuka panguva yekushandiswa kwenzira.
Kuyera kwemvura kwemwenje yemotokari chinhu chakakosha kufunga kune avo vanoshandisa mota dzavo kunze kwemugwagwa kana munzvimbo dzine mamiriro ekunze akanyanya. Yepamusoro IP ratings uye zvimwe zvinogara kwenguva refu zvinogona kubatsira kuona kuti marambi emota anoshanda nemazvo uye zvakachengeteka munzvimbo idzi.
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