Ukukhetha i-flowmeter efanele ye-electromagnetic kudinga ukucatshangelwa okubanzi kwezici eziphakathi nendawo, izimo zokusebenza, kanye nezidingo zokufaka ukuze kuhambisane nezidingo zangempela zohlelo lokusebenza.
1. Cabanga ngezimpawu eziphakathi kuqala
- Qinisekisa ukuhanjiswa kwe-medium; kumele ibe ngaphezu komkhawulo omncane wemitha (ngokuvamile ≥5μS/cm) ukuqinisekisa ukulinganiswa okuphumelelayo.
- Ukuze uthole izinto ezigqwalisayo, khetha izinto ezihambisanayo ze-electrode (njenge-Hastelloy, i-titanium, noma i-platinum) kanye nezinto zokweluka (njenge-PTFE noma irabha).
- Kuma-media aqukethe izinto eziqinile ezilengayo, khetha imitha enophahla olungagugi kanye nomklamo we-electrode ovimbela ukuvaleka ukuze ugweme ukulimala kwengxenye.
2. Qondanisa izimo zokusebenza
- Nquma ubukhulu bemitha obufanele ngokusekelwe kububanzi bepayipi kanye nobubanzi bokugeleza; beka phambili ukufanisa ububanzi obulinganayo ukuze unciphise ukuphazamiseka kwensimu yokugeleza.
- Qinisekisa ukuthi izinga lokushisa elilinganiselwe lemitha kanye nomfutho kuhlangabezana nezimo zokusebenza endaweni, ukuvimbela umonakalo ovela ekushiseni okuphezulu kakhulu noma umfutho.
- Cabanga nge-viscosity ye-medium; ngemidiya ene-viscosity ephezulu, khetha imitha enobubanzi besilinganiso sokugeleza ukuze ivumelane nezinguquko zokugeleza.
3. Zivumelanise nezidingo zokufaka nokusetshenziswa
- Khetha uhlobo lokufaka (i-flange, i-clamp, noma i-insertion) ngokuya ngesakhiwo sephayiphi kanye nezimo zesikhala.
- Uma kwenzeka ukuphazamiseka okukhulu kwe-electromagnetic endaweni, khetha imitha enekhono elithuthukisiwe lokulwa nokuphazamiseka noma izinyathelo ezengeziwe zokuvikela.
- Cabanga ngezidingo zesiginali yokukhipha kanye nokuxhumana, uqinisekise ukuhambisana nohlelo lokulawula olusendaweni (njenge-4-20mA, i-HART, noma i-Modbus).
Isikhathi sokuthunyelwe: Okthoba-31-2025