Cov yam ntxwv ntawm lub flowmeter feem ntau yog ua haujlwm los qhia nws qhov kev ntsuas ntsuas, qhov kev thov, thiab kev ua haujlwm ua haujlwm; lawv ua ib lub hauv paus tseem ceeb rau ob qho tib si xaiv qauv thiab kev siv tswv yim. Common parameters feem ntau suav nrog cov hauv qab no:
Ua ntej yog cov ntsuas qhov ntsuas, uas suav nrog qhov ntsuas qhov ntsuas, qhov ntsuas qhov ntsuas qhov ntsuas, thiab cov chav kawm raug. Qhov ntsuas ntsuas ntsuas lub sijhawm tshwj xeeb -los ntawm qhov tsawg kawg nkaus mus rau qhov siab tshaj plaws ntws - nyob rau hauv uas lub flowmeter tuaj yeem ua haujlwm ib txwm. Lub turndown piv qhia txog lub cuab yeej muaj peev xwm los tswj cov kev ntsuas raug nyob rau hauv ntau yam kev khiav dej num. Cov chav kawm raug- feem ntau qhia tau tias yog ± 0.5%, ± 1.0%, thiab lwm yam.-ua hauj lwm raws li ib tug tseem ceeb metric rau quantifying ntsuas yuam kev.
Tom ntej no yog cov kev khiav hauj lwm ib puag ncig thiab nruab nrab tsis, muaj xws li hom nruab nrab siv, qhov kub thiab txias, thiab kev ntsuas siab. Txawv flowmeters yuam kev sib txawv ntawm qhov nruab nrab; Piv txwv li, electromagnetic flowmeters yog haum rau cov kua conductive, whereas ultrasonic flowmeters muaj ib tug dav dav ntawm daim ntawv thov. Qhov ntsuas kub thiab siab ntsuas ntsuas lub cuab yeej muaj peev xwm tiv taus thiab ua haujlwm tau zoo nyob rau hauv siab - kub thiab siab - kev ua haujlwm siab.
Thaum kawg, muaj cov khoom siv hluav taws xob thiab cov khoom tso tawm, suav nrog cov khoom siv hluav taws xob, kev siv hluav taws xob, thiab hom teeb liab tso tawm. Cov tswv yim tso tawm muaj xws li 4-20 mA analog signals, pulse signals, thiab RS485 / Modbus digital kev sib txuas lus. Tsis tas li ntawd, qee qhov flowmeters qhia txog kev tiv thaiv ingress (IP) kev ntsuas (piv txwv li, IP65, IP67) thiab cov kev xav tau ntawm kev teeb tsa kom ntseeg tau tias cov cuab yeej txhim khu kev lag luam hauv ib puag ncig nyuaj.
