Lub ntsuas dej ultrasonic portable yog ib hom ntsuas dej ultrasonic. Lub ntsuas dej ultrasonic yog lub ntsuas dej uas ua haujlwm hauv qhov sib txawv ntawm lub sijhawm ultrasonic thiab hom Doppler, vim tias qhov ntsuas qhov tseeb ntawm lub ntsuas dej ultrasonic yuav luag tsis cuam tshuam rau qhov kub thiab siab ntawm qhov ntsuas dej. Viscosity, density thiab lwm yam kev ntsuas, thiab tuaj yeem ua rau cov cuab yeej ntsuas tsis sib cuag thiab nqa tau, yog li nws tuaj yeem daws lwm yam teeb meem ntsuas dej nyuaj xws li muaj zog corrosive, non-conductive, radioactive thiab flammable thiab explosive media. Cov hom cuab yeej. Nws qhov kev ua tau zoo sib txawv tau yeej qhov kev nyiam ntawm cov neeg siv.
1. Kev cuam tshuam ntawm qhov chaw teeb tsa, coupler thiab kab teeb liab rau kev ntsuas
Cov ntsuas dej ultrasonic portable feem ntau siv ntau lub zog, cov teeb liab broadband, nrog rau qee qhov peev xwm los tiv thaiv kev cuam tshuam electromagnetic. Txawm li cas los xij, muaj cov zaus siab ntawm qhov chaw teeb tsa, tshwj xeeb tshaj yog tias qhov chaw hloov pauv zaus tsis ua haujlwm tag nrho. Cov kab teeb liab ntawm lub transducer tsis yooj yim kom ntev dhau, thiab yuav tsum siv cov xov hlau coaxial ntawm cov impedance tshwj xeeb, thiab yuav tsum tsis muaj qhov sib koom ua ke ntawm qhov kawg thiab hauv nruab nrab. Tus neeg sawv cev txuas ultrasonic yuav tsum tau siv kom deb li deb tau nrog kev coj ua suab zoo thiab tsis yooj yim sib xyaw nrog cov roj viscous, xws li dej iav, Vaseline, thiab lwm yam.
2, ultrasonic flowmeter tsis raug calibrated
Txhua lub flowmeter yuav tsum tau txheeb xyuas lossis calibrated ua ntej siv, thiab cov portable ultrasonic flowmeters yog qhov tseem ceeb tshwj xeeb rau lub sijhawm no. Vim tias lub portable ultrasonic flow meter feem ntau nruab nrog ntau pawg ntawm transducers, haum rau ntau yam yeeb nkab txoj kab uas hla, txhua pawg ntawm transducer thiab kev sib xyaw ua ke ntawm tus tswv tsev yog theoretically ib pawg ntawm cov flow meters. Yog li ntawd, yog tias tsuas yog siv lub transducer me me los calibrate lossis calibrate lub portable ultrasonic flowmeter ntawm lub cuab yeej ntws txheem nrog lub yeeb nkab txoj kab uas hla me me, ces yog tias lub transducer loj siv los ntsuas qhov ntws thaum siv, nws yog sib npaug rau kev siv lub unverified lossis calibrated flowmeter nrog qhov tseeb ntsuas uas tsis tuaj yeem lav. Txoj kev raug yog raws li tus neeg siv tus kheej siv ua qhov siv, thiab lub portable ultrasonic flowmeter yuav tsum tau kuaj xyuas lossis calibrated ntawm ntau lub raj xa dej ntawm cov cuab yeej ntws txheem nrog tib txoj kab uas hla lossis ze rau lub yeeb nkab siv. Yam tsawg kawg nkaus, nws yog qhov tsim nyog los xyuas kom meej tias txhua pawg ntawm cov sensors teeb tsa nrog lub flow meter yuav tsum tau calibrated. Daim ntawv pov thawj meter lossis daim ntawv pov thawj calibration yuav muab qhov ntsuas kho qhov ntsuas rau ntau pawg ntawm cov sensors. Thaum siv lub sijhawm ntws, nco ntsoov nkag mus rau qhov ntsuas kho qhov ntsuas kom raug rau lub transmitter sib xws.
3, portable ultrasonic flowmeter shortcomings thiab cov kev txwv
(1) Lub tshuab ntsuas ultrasonic portable ntawm txoj kev mus ncig tsuas yog siv tau rau kev ntxuav cov kua thiab cov roj.
(2) Cov ntsuas dej ultrasonic nrog cov transducers sab nraud tsis tuaj yeem siv rau cov kav dej uas muaj cov ntaub tuab lossis cov nplai, cov kav dej hauv zos lossis tsa, thiab cov kav dej uas muaj kev xeb loj ntawm cov phab ntsa yeeb nkab.
(3) Kev tsim khoom hauv tsev tam sim no ntawm cov ultrasonic flowmeters uas twb muaj lawm tsis tuaj yeem siv rau cov kav dej nrog cov kab uas hla tsawg dua DN25mm.
(4) Kev tsim kho thiab kev tsim khoom ntawm cov ntsuas dej ultrasonic hauv tsev tseem nyob rau hauv nws thaum yau, thiab tus nqi siab.
Kev ntsuas ntws yog ib qho tseem ceeb hauv cov txheej txheem tsim khoom ntawm cov tuam txhab, tshwj xeeb tshaj yog hauv kev txuag hluav taws xob thiab kev txuag dej thiab lwm yam kev tiv thaiv ib puag ncig tau siv ntau dua thiab ntau dua. Portable ultrasonic flowmeter yog ib hom flowmeter tshiab, nws qhov yooj yim thiab kev lag luam yog lwm cov flowmeters tsis tuaj yeem bini. Txawm li cas los xij, ntau qhov yuam kev random tsim los ntawm cov cuab yeej zoo li no yuav tsum tau kawm thiab sib tham txuas ntxiv. Piv txwv li, kev hloov pauv hauv thaj chaw ib puag ncig, zaus fais fab, scaling ntawm phab ntsa sab hauv ntawm cov yeeb nkab, thiab npuas hauv cov yeeb nkab yuav ua rau muaj qee qhov kev hloov pauv hauv qhov ntsuas yuam kev. Yog li ntawd, tas li sau cov txheej txheem ntsuas raug los ntawm kev xyaum, yog ib txoj haujlwm ntev los siv cov portable ultrasonic flowmeters kom ua si nws lub luag haujlwm zoo.
Lub tshuab ntsuas ultrasonic portable muaj cov yam ntxwv ntawm kev teeb tsa sai thiab kev siv tau yooj yim, tab sis nws yuav tsum paub siv txoj kev raug thaum siv. Tom qab ntau xyoo ntawm kev ua haujlwm hauv thaj teb, nws pom tias kev siv lub tshuab ntsuas ultrasonic portable yooj yim tsis quav ntsej, tshuaj xyuas qhov ua rau muaj teeb meem thiab tawm tswv yim daws teeb meem.
Lub sijhawm tshaj tawm: Lub Yim Hli-14-2023