Ii-electromagnetic flowmeters zifuna ulwelo oluqhuba umbane, olufana namanzi epompo, amanzi amdaka emizi-mveliso, amanzi amdaka asekhaya, udaka, njalo njalo.
Xa ulinganisa nge-electromagnetic flowmeter, kufuneka kuqatshelwe ukuba ulwelo alunakuba namaqamza, ukuba i-medium inamaqamza, iya kuchaphazela iziphumo zokulinganisa.
Kukho izizathu ezibini ezinokubangela amaqamza kulwelo; 1. Ukuphefumla ngaphandle; 2. Igesi enyibilikisiweyo (umoya) kulwelo iguqulwa ibe yiqamza elikhululekileyo. Ukuba ulwelo luneqamza elikhulu, lunokugubungela yonke i-electrode xa ludlula kwi-electrode, ukuze iluphu yokufaka isignali yokuhamba ivuleke ngoko nangoko, nto leyo ebangela ukuba isignali yokuphuma ishukume.
Indlela yokuchonga: Eyona ndlela ilula yokuchonga kukunqumla umsinga wesekethe yokuvuselela amandla emagnethi xa ishukunyiswa, kwaye ukuba isixhobo sisaboniswa kwaye singazinzanga ngeli xesha, kungenxa yempembelelo yamaqamza. Ukuba ukumelana kwe-electrode kulinganiswa nge-multimeter yesikhombisi ngeli xesha, ukumelana kwe-loop kwi-electrode kunokulinganiswa ukuba kuphezulu kunesiqhelo. Nangona kunjalo, uvavanyo luxhomekeke kumava ovavanyo lwexesha elide kunye nedatha eqokelelwe ziingcali.
Isisombululo: Kwimeko yomoya okwindawo elinganisiweyo, ukuba kufumaniseke ukuba ubangelwa yindawo yokufakela, njengokuba i-flowmeter ye-electromagnetic ifakwe kwindawo ephezulu yenkqubo yepayipi kwaye igesi egciniweyo okanye umoya wokufunxa wangaphandle obangelwa yi-flowmeter ukuze ishukume, tshintsha indawo yokufakela yeyona sisombululo silungileyo, kwindawo esezantsi yombhobho okanye kusetyenziswa ukufakelwa kombhobho omile njengo-U.
Nangona kunjalo, izicelo ezininzi zinkulu okanye indawo yokufaka ayilula ukuyitshintsha, kuyacetyiswa ukuba kufakwe i-flow meter collector kunye ne-exhaust valve, emva kokufakwa kwesixhobo sokukhupha umoya, umlinganiselo ubuyiselwa kwisiqhelo.
Ixesha lokuthumela: Matshi-03-2024