Ekulinganisweni kwamanzi kwanamuhla, amamitha amanzi e-ultrasonic kanye ne-electromagnetic ayizindlela ezimbili zobuchwepheshe ezivelele, ezithatha indawo yamamitha endabuko omshini emikhakheni eminingi. Nakuba womabili enikeza ukunemba okuphezulu nezici ezihlakaniphile, imiklamo yawo ehlukile kanye nezimiso zokusebenza kuwenza afanelekele izidingo ezahlukene. Lesi sihloko siqhathanisa lokhu kokubili ukusiza abasebenzisi bakhethe inketho efanele.
Izimiso Zokusebenza Eziyinhloko
Amamitha amanzi e-Ultrasonic ancike kumehluko wesikhathi sokuthutha noma kumphumela we-Doppler. Amamodeli esikhathi sokuthutha athumela amasignali e-ultrasonic ngokugeleza kwamanzi nangokumelene nawo; igebe lesikhathi phakathi kwalezi zimpawu libala ijubane lokugeleza. Amamodeli e-Doppler, ngokuphambene, athola ukushintsha kwemvamisa kusuka kumagagasi e-ultrasonic agxuma ezinhlayiyeni emanzini, asebenza kahle ngisho nokugeleza okungazinzile.
Amamitha amanzi e-electromagnetic asebenzisa uMthetho kaFaraday wokungenisa i-Electromagnetic. Akha insimu yamagnetic efanayo kuyo yonke ipayipi. Lapho amanzi ahambayo egeleza kule nsimu, akhiqiza amandla e-electromotive (EMF) kuma-electrode—amandla e-EMF ahlobene ngqo nesivinini sokugeleza, okwenza kube lula ukulinganisa okunembile.
Umehluko Obalulekile Wokusebenza
Ngokuqondene nokunemba, amamitha kagesi avame ukuba nomkhawulo omncane: iningi lawo ligcina ukunemba okungu-±0.2% kuya ku-±0.5% kuzo zonke izigaba zokugeleza, kuyilapho amamodeli e-ultrasonic esukela ku-±0.5% (ezentengiselwano) kuya ku-±0.2% (ezezimboni). Ukuze kube lula ukugeleza, amamitha kagesi anikeza isilinganiso sokujika esifinyelela ku-1:1000, esiphatha kokubili ukugeleza okuphansi kakhulu nokuphezulu. Amamitha e-Ultrasonic afinyelela ku-1:500, asaqinile kodwa awaguquguquki kakhulu ekugelezeni okukhulu.
Ukuhambisana kwemidiya kuyisici esibalulekile. Amamitha e-Ultrasonic asebenza ngoketshezi oluhambisa umoya kanye nolungahambisa umoya (isib. amanzi ahlanzekile, amakhemikhali), okwenza afaneleke kakhulu ezimbonini ezifana nemithi. Amamitha e-electromagnetic adinga amanzi anomthamo womoya ongu-≥5 μS/cm — ayahluleka ngamanzi ahlanzekile noma uwoyela.
Izidingo zokufakwa nazo ziyahluka. Amamitha e-ultrasonic esikhathi sokuthutha adinga ububanzi obuqondile obuyi-5-10 bepayipi phezulu/phansi ukuze kugeleze kahle, kuyilapho amamodeli e-Doppler eguquguquka kakhudlwana. Amamitha e-electromagnetic adinga ububanzi obuqondile obuyi-3-5 kuphela, futhi ama-electrode awo afakwe emanzini agwema ukuphazamiseka kokugeleza.
Izinzuzo kanye nokulinganiselwa
Amamitha e-Ultrasonic akhanya ngokuguquguquka: izinhlobo ze-clamp-on zifakwa ngaphandle, akukho ukuguqulwa kwamapayipi okudingekayo—kuhle kakhulu ekulungisweni kabusha. Futhi anokulungiswa okuncane, awekho izingxenye ezihambayo ezithinta amanzi. Kodwa-ke, ukugcwala okuphezulu noma amabhamuza omoya kungaphazamisa ukunemba, futhi amamodeli ezinga lezimboni abiza kakhulu.
Ama-electromagnetic meter asebenza kahle kakhulu ezimweni ezinzima: ama-electrode amelana nokugqwala (i-tantalum, i-platinum-iridium) aphatha amanzi angcolile kanye namanzi ane-sediment ephezulu. Ahlangana kalula nezinhlelo ze-IoT zokuqapha ngesikhathi sangempela. Kodwa ukuncika kwawo ekuqhubeni amandla kunciphisa ukusetshenziswa, futhi iningi lawo lidinga amandla angaphandle—akufanelekile ezindaweni ezikude.
Izimo Zokusebenza Ezifanele
Amamitha e-Ultrasonic afanele izakhiwo zokuhlala/zebhizinisi (ububanzi obuncane, amanzi ompompi), izinhlelo zamanzi ahlanzekile (imithi, amalebhu), kanye nokufaka kabusha amapayipi amadala. Afanele futhi amapayipi kamasipala noma ezimboni anobubanzi obukhulu.
Amamitha kagesi angcono kakhulu ekulawuleni izinqubo zezimboni (amakhemikhali, izitshalo zamanzi angcolile), ukusatshalaliswa kwamanzi kamasipala (ukutholwa kokuvuza), izikhungo zezentengiselwano (ukusetshenziswa kwamanzi axubile), kanye nokunisela kwezolimo (amanzi angaphansi komhlaba aqhubayo).
Isiphetho
Womabili amamitha athuthukile, kodwa amandla awo aqondisa ukukhetha. Khetha i-ultrasonic yemidiya engahambisani nogesi noma i-retrofits; i-electromagnetic yokunemba okuphezulu ngemidiya ehambisa amanzi noma izindawo ezinzima. Ukuqonda lo mehluko kuqinisekisa ukulinganiswa kwamanzi okuhle kakhulu, kungaba ukukhokhisa, ukulawula izimboni, noma ukuphathwa komasipala.
Isikhathi sokuthunyelwe: Novemba-12-2025