Ukunemba kokulinganisa kwama-flowmeter esisindo sokushisa kuthonywa izici ezahlukahlukene, kufaka phakathi imodeli yethuluzi, uhlobo loketshezi, ububanzi bokugeleza, kanye nezimo zokufakwa. Ngokuvamile, kuwela ngaphakathi kobubanzi obuphakathi kuka-±0.5% kuya ku-±5% wokufundwa, ngezimo ezithile ezilandelayo:
- Amamodeli anembe kakhulu: Afanelekela amalabhorethri, ukulawulwa kwezimboni okunembe, njll. Kumagesi ahlanzekile (njengomoya, i-nitrogen) ngaphakathi kobubanzi bawo bokugeleza obulinganisiwe, ukunemba kungafinyelela ku-±0.5%~±1% wokufundwa, kanti eminye imikhiqizo ephezulu ingafinyelela ngisho ku-±0.2%.
- Amamodeli ezinhloso ezijwayelekile zezimboni: Asetshenziselwa ukuqapha inqubo evamile, ngokunemba okukhulu kuka-±1%~±2% kokufundwa, okusebenza eziketshezini ezivamile njengegesi yemvelo namagesi enqubo.
- Ngaphansi kwezimo ezikhethekile: Uma kulinganiswa uketshezi olunejubane eliphansi, olune-viscosity ephezulu noma uketshezi oluqukethe inani elincane lokungcola, ukunemba kungase kwehle kuye ku-±2%~±5% wokufundwa; uma izakhiwo zoketshezi zihluka kakhulu kune-medium elinganisiwe (isb., ngaphandle kokulinganiswa kabusha), iphutha linganda kakhulu.
Ngaphezu kwalokho, ukuphindaphindeka (ukuzinza kwesikhathi esifushane) kuvame ukuba ngcono kunokunemba, ngokuvamile kungaphakathi kuka-±0.1% ~ ±0.5%, okubaluleke kakhulu ekuqapheni ukugeleza okuguquguqukayo. Ezisetshenzisweni ezisebenzayo, kuyadingeka ukukhetha imodeli efanelekile ngokusekelwe ezimweni ezithile zokusebenza (njengokuhlanzeka koketshezi kanye nobubanzi bokushisa) ukuqinisekisa ukunemba.
Isikhathi sokuthunyelwe: Julayi-01-2025