Kulondola kwa muyeso wa ma thermal mass flowmeters kumakhudzidwa ndi zinthu zosiyanasiyana, kuphatikizapo chitsanzo cha chipangizo, mtundu wa madzi, kuchuluka kwa madzi omwe akuyenda, ndi momwe amaikidwira. Kawirikawiri, imagwera mkati mwa ±0.5% mpaka ±5% ya kuwerenga, ndi zochitika zinazake motere:
- Ma model olondola kwambiri: Oyenera ma labotale, kulamulira bwino mafakitale, ndi zina zotero. Pa mpweya woyera (monga mpweya, nayitrogeni) mkati mwa kuchuluka kwa kayendedwe kake kolinganizidwa, kulondola kumatha kufika ±0.5% ~ ± 1% ya kuwerenga, ndipo zinthu zina zapamwamba zimatha kufika ±0.2%.
- Ma model a mafakitale: Amagwiritsidwa ntchito poyang'anira njira zachikhalidwe, ndi kulondola kwa ±1%~±2% ya kuwerenga, komwe kumagwiritsidwa ntchito pamadzi wamba monga gasi wachilengedwe ndi mpweya wazinthu.
- Pansi pa mikhalidwe yapadera: Poyesa zakumwa kapena madzi okhala ndi liwiro lotsika, kukhuthala kwakukulu, kapena madzi okhala ndi zonyansa zochepa, kulondola kwake kungatsike kufika pa ±2% ~ ± 5% ya kuwerenga; ngati makhalidwe amadzimadzi amasiyana kwambiri ndi chinthu choyezera (monga, popanda kubwerezabwereza), cholakwikacho chingawonjezeke kwambiri.
Kuphatikiza apo, kubwerezabwereza (kukhazikika kwakanthawi kochepa) nthawi zambiri kumakhala bwino kuposa kulondola, nthawi zambiri mkati mwa ±0.1% ~ ±0.5%, komwe ndikofunikira kwambiri pakuwunika kayendedwe ka madzi. Muzochita zenizeni, ndikofunikira kusankha chitsanzo choyenera kutengera momwe ntchito ikuyendera (monga kuyera kwa madzi ndi kutentha) kuti zitsimikizire kulondola.
Nthawi yotumizira: Julayi-01-2025