Imitha yokugeleza ye-ultrasonic yesikhathi sokuthutha iyithuluzi elisetshenziswa kabanzi ekulinganisweni kokugeleza okungaphazamisi. Isebenzisa ubuchwepheshe obuthuthukisiwe be-ultrasonic, ilinganisa izinga lokugeleza koketshezi emapayipini avaliwe ngokuhlaziya umehluko wesikhathi wezimpawu ze-ultrasonic ezidluliselwa phezulu naphansi. Umklamo wayo omusha kanye nezinzuzo ezisebenzayo kuyenza ikhambi elifanele ezimbonini ezahlukahlukene. Ngezansi, sihlola izici ezibalulekile zale divayisi eguquguqukayo:
1. Umklamo Ongaphazamisi
Esinye sezici ezivelele zamamitha okugeleza e-ultrasonic acindezelayo ukuthi awaphazamisi. Lawa mamitha afakwa ngaphandle epayipini, awadingi ukuthintana ngokomzimba noketshezi. Lo mklamo:
• Kuqeda isidingo sokusika noma sokushintsha ipayipi.
• Kuvimbela ukungcola, okwenza kube kuhle kakhulu ekusetshenzisweni okuhlanzekile nokubucayi njengokudla, iziphuzo, kanye nemithi.
• Ivumela ukufakwa ngaphandle kwesikhathi sokungasebenzi kwesistimu noma ukuphazamiseka kwenqubo.
3. Ukulinganisa Okunembile Nokuthembekile
Isimiso sesikhathi sokuthutha siqinisekisa ukulinganiswa kokugeleza okunembe kakhulu, ngokuvamile kufinyelela izinga lokunemba elingu-±0.5% noma ngaphezulu. Silinganisa umehluko wezikhathi zokuthutha kwama-pulse e-ultrasonic ahamba nokugeleza koketshezi. Izici ezifaka isandla ekunembeni kwalo zifaka:
• Ukucubungula isignali okuthuthukisiwe ukuze kusingathwe izimo zokugeleza eziguquguqukayo.
• Ikhono lokulinganisa amazinga okugeleza ahlukahlukene.
• Ukuhambisana noketshezi oluhlanzekile kanye noketshezi olungcolile kancane, uma nje amazinga okungcola ephansi.
4. Uhla Olubanzi Lwezicelo
Lawa mamitha afanele ukusetshenziswa okuhlukahlukene, njengoba engalinganisa izinhlobo ezahlukene zoketshezi, okuhlanganisa:
• Amanzi (ahlanziwe, angahlanzwa, noma angcolile).
• Amakhemikhali.
• Amafutha.
• Ezinye izinto eziwuketshezi ezingancibiliki.
Ukuguquguquka kwazo kudlulela ekhonweni lazo lokusebenza ngezinto ezahlukene zamapayipi njengensimbi, i-PVC, nezinto ezihlanganisiwe, kanye nakuzo zonke izinhlobo ezahlukene zamapayipi.
5. Ukufakwa Nokunakekelwa Okulula
Umklamo we-clamp-on wenza kube lula ukufaka, njengoba kungekho sidingo sokuguqulwa kwamapayipi noma ukuvalwa kwenqubo. Ukugcinwa kulula futhi:
• Ukungabikho kwezingxenye ezihambayo kusho ukunciphisa ukuguguleka nokudabuka.
• Izinzwa zihlala zingaphandle, zinciphisa ingozi yokungcola, ukugqwala, noma ukuklwebheka.
Lokhu kuholela ekwehleni kwezindleko zokusebenza kanye nesikhathi sokungasebenzi phakathi nesikhathi sokuphila kwedivayisi.
6. Izinketho Eziphathekayo Nezingaguquki
Amamitha okugeleza e-ultrasonic e-transit-time afika ngokulungiswa okuphathekayo nokungaguquki, ahlangabezana nezidingo ezahlukene:
• Amamitha Okugeleza Aphathekayo: Alula futhi acinene, alungele ukufakwa kwesikhashana noma izinjongo zokuxilonga.
• Amamitha Okugeleza Angaguquki: Ukufakwa okuhlala njalo kokuqapha okuqhubekayo kokugeleza ezinqubweni ezibalulekile.
7. Ukulinganisa Okubili
Inzuzo ebalulekile yamamitha okugeleza e-ultrasonic ngesikhathi sokuthutha yikhono lawo lokukala ukugeleza kuzo zombili izinhlangothi. Lokhu kuwenza abe nezimo eziningi ezinhlelweni lapho ukugeleza kungase kwenzeke khona, njengasezinhlelweni ze-hydraulic noma izinqubo zokupompa eziqondiswe kabili.
8. Ukukhishwa Kwedatha Okuthuthukisiwe Nokuxhumana
Amamitha okugeleza e-ultrasonic esikhathi sokuthutha samanje afakwe amakhono okuxhumana athuthukile, njenge:
• Izinketho zokukhipha zedijithali neze-analog (isb., 4-20 mA, i-pulse, noma i-Modbus).
• Ukufakwa kwedatha ukuze kuhlaziywe ukugeleza kwesikhathi eside.
• Ukuhlanganiswa ne-SCADA nezinye izinhlelo zokuqapha.
Isikhathi sokuthunyelwe: Disemba 23-2024