Kev thauj mus los- lub sij hawm ultrasonic flowmeter ntsuas cov kua ntws hauv cov yeeb nkab kaw los ntawm kev sib piv lub sijhawm mus ncig ntawm cov cim ultrasonic txav nrog thiab tawm tsam cov kev taw qhia ntws. Rau cov dej huv lossis cov dej huv huv, nws feem ntau yog ib qho ntawm thawj cov thev naus laus zis los ntsuas thaum cov neeg siv tsis xav tau - ntsuas ntsuas qhov ntsuas, tsis tshua muaj kev saib xyuas, thiab tsis muaj qhov poob siab ntxiv los ntawm clamp- ntawm kev teeb tsa.
Phau ntawv no piav qhia li cas atransit{0}} lub sij hawm ultrasonic flow meterua haujlwm, cov kua dej twg tsim nyog, thaum Doppler yuav yog qhov kev xaiv zoo dua, qhov kev teeb tsa dab tsi cuam tshuam rau qhov raug, thiab cov ntaub ntawv dab tsi koj yuav tsum npaj ua ntej xaiv ib lub 'meter'.
Dab tsi yog Transit -Lub Sijhawm Ultrasonic Flowmeter?
Kev thauj mus los- lub sij hawm ultrasonic flowmeter yog lub ntsuas dej ntws uas siv ultrasonic suab pulses los xam qhov nrawm nrawm hauv cov yeeb nkab. Nyob rau hauv ib tug raug configuration, ob transducers yog ntsia sab nraum cov yeeb nkab, tso rau hauv cov yeeb nkab phab ntsa, los yog ua rau hauv ib tug inline meter lub cev. Lub ' meter ' ces converts ntsuas ndlwg tshaj tawm mus rau hauv volumetric flow rate los ntawm kev siv cov yeeb nkab sab hauv cheeb tsam.
Qhov feem ntau version rau retrofit tej yaam num yog lubclamp- ntawm ultrasonic flow meter. Nws cov sensors yog ntsia rau sab nraud ntawm cov yeeb nkab, yog li cov kua dej tsis sib cuag los ntawm qhov ntsuas. Qhov no ua rau nws muaj txiaj ntsig zoo thaum txiav cov yeeb nkab, txheej txheem kaw, kev pheej hmoo ntawm cov dej xau, lossis cov dej paug yuav tsum zam.
Kev thauj mus los- lub sij hawm thev naus laus zis feem ntau yog siv rau kaw, cov kav dej puv nqa cov kua uas tso cai rau cov teeb liab ultrasonic hla nrog lub zog txaus thiab ruaj khov. Nws tsis yog ib qho kev daws teeb meem rau txhua tus kua. Cov yeeb nkab mob, ua kua huv, cov ntsiab lus cua, tshem tawm cov khib nyiab, thiab qhov chaw teeb tsa txhua qhov teeb meem.
Lub Sijhawm Hla Dhau li cas -Lub Sijhawm Ultrasonic Flowmeter Ua Haujlwm?
Kev hloov pauv - lub sijhawm ntsuas ntsuas siv ob lub tshuab ultrasonic. Ib lub teeb liab taug kev downstream, nyob rau hauv tib txoj kev raws li cov kua. Lwm lub teeb liab taug kev nce toj, tawm tsam cov kua dej. Thaum cov kua ntws tawm, lub teeb liab downstream tuaj txog me ntsis sai dua, thaum lub teeb liab ntws mus ntev dua me ntsis.
Lub ntsuas ntsuas ntsuas lub sijhawm sib txawv ntawm ob txoj kev teeb liab no. Lub sijhawm ntawd sib txawv yog cuam tshuam nrog qhov nruab nrab ntws nrawm raws txoj kev ultrasonic. Tom qab kev tshaj tawm yog xam, lub 'meter' siv cov yeeb nkab sab hauv txoj kab uas hla los xam volumetric flow.
Hauv daim ntawv simplified:
Flow rate=nruab nrab khiav ceev × yeeb nkab hla-sectional cheeb tsam
Qhov no yog vim li cas cov ntaub ntawv yeeb nkab yuav tsum tau muab nkag kom zoo. Cov yeeb nkab sab nraud, phab ntsa tuab, cov khoom siv, hauv ob sab phlu, thiab hom kua dej tag nrho cuam tshuam rau txoj kev acoustic thiab transducer spacing. Yog tias cov txiaj ntsig no tsis raug, lub ntsuas ntsuas tau zoo tseem tuaj yeem muab cov ntawv nyeem tsis ruaj khov lossis tsis raug. Rau kev piav qhia dav dav ntawm lub tswv yim ntsuas, saib qhov noultrasonic flow ntsuas txoj caipeev txheej.
Rau ib qho kev siv sab nraud, DwyerOmega piav qhia tias kev thauj mus los - lub sijhawm ntsuas ntsuas lub sijhawm taug kev nce toj thiab qis qis, thaum Doppler meters nyob ntawm qhov cuam tshuam los ntawm cov lus hais lossis npuas hauv cov kua los ntawm nwsDoppler vs transit -time ultrasonic flow meter qhia.
Cov kua dej twg tsim nyog rau kev thauj mus los -Lub Sijhawm Ultrasonic Flow Measurement?
Transit- lub sij hawm ultrasonic flowmeters yog qhov zoo tshaj plaws rau cov kua uas huv si, homogeneous, thiab muaj peev xwm xa cov cim ultrasonic ntseeg tau. Cov kua tsis tas yuav ua kom huv si, tab sis hnyav aeration, cov ntsiab lus siab, ua npuas ncauj, sludge, lossis tsis ruaj khov muaj peev xwm txo cov teeb liab zoo.
Zoo tshaj -Fit Liquids
Kev thauj mus los-Kev ntsuas lub sijhawm feem ntau yog qhov pib zoo rau:
- Cov dej huv
- Dej txias
- Dej kub
- Cov dej txias
- Txheej txheem dej
- Glycol{0}} dej sib tov
- Ntau cov kua tshuaj ruaj khov
- Cov roj uas tsim nyog acoustic zog
- Cov khoom noj zoo sib xws thiab dej haus
Rau cov dej txias, dej kub, thiab cov kav dej condenser, kev thauj mus los - lub sij hawm ntsuas feem ntau siv vim tias cov kua dej feem ntau yog huv txaus rau cov teeb liab kis tau tus mob. Yog hais tias daim ntawv thov kuj xav tau lub zog los yog BTU xam, ib tug mob siab rauUltrasonic flow meter rau BTU txias dejlos yog ibultrasonic zog ntsuastej zaum yuav tsim nyog tshaj qhov yooj yim khiav-tsuas yog qauv.
Cov kua uas xav tau kev ntsuam xyuas ntxiv
Qee cov kua kuj tseem ntsuas tau, tab sis lawv yuav tsum tau kuaj xyuas ua ntej xaiv:
- Cov dej khib nyiab nrog cov khib nyiab qis mus rau nruab nrab
- Cov kua nrog qee zaus cua npuas
- Cov kua nplaum
- Corrosive kua
- Cov kua hauv coated los yog lined kav
- Cov kua uas hloov cov concentration lossis kub
Rau cov ntawv thov no, tsis txhob txiav txim qhov tsim nyog los ntawm cov kua npe ib leeg. Xyuas seb lub teeb liab ultrasonic tuaj yeem dhau los ntawm cov yeeb nkab thiab cov kua dej tsis tu ncua. Yog tias ua tau, tshuaj xyuas cov teeb liab uas xav tau lub zog, cov kav dej, qhov kub thiab txias, viscosity, thiab seb cov kua dej puas muaj cov cua nkag los yog cov khoom khib nyiab.
Thaum Doppler yuav yog qhov kev xaiv zoo dua
Yog tias cov kua muaj ntau cov khib nyiab tshem tawm lossis cua npuas, Doppler ultrasonic flowmeter yuav yog qhov pib zoo dua. Kev thauj mus los- lub sij hawm thev naus laus zis nyob ntawm lub teeb liab ruaj khov hla cov kua. Doppler thev naus laus zis nyob ntawm cov teeb liab xav tau los ntawm cov khoom lossis cov npuas txav nrog cov ntws.
Rau cov dej khib nyiab, ua kom cov sludge, slurry -zoo li cov kua, los yog cov kua aerated hnyav, ntsuas ibPortable Doppler Flow Meterlos yog lwm yam thev naus laus zis ua ntej xaiv qhov kev thauj mus los - qauv sijhawm.
Transit-Lub Sijhawm vs Doppler Ultrasonic Flowmeter
Qhov sib txawv tseem ceeb tshaj plaws tsis yog qhov pom ntawm lub 'meter'. Nws yog cov kua dej uas yuav tsum tau ua los ntawm txoj cai ntsuas.
| Yam khoom | Transit -Lub Sijhawm Ultrasonic Flowmeter | Doppler Ultrasonic Flowmeter |
|---|---|---|
| Lub hauv paus ntsiab lus | Sib piv cov dej ntws mus thiab downstream ultrasonic sij hawm mus ncig | Ntsuas zaus hloov ntawm cov cim qhia los ntawm cov khoom los yog npuas |
| Zoo tshaj rau | Cov kua dej huv huv lossis huv huv | qias neeg, aerated, los yog particle-muaj kua |
| Tej kev siv | Dej, dej txias, dej kub, roj, txheej txheem ua kua, ntau yam tshuaj | Cov dej khib nyiab, sludge, slurry -zoo li cov kua dej, cov kua uas muaj cua nkag |
| Kev xav tau ntawm lub teeb liab | ruaj khov kis tau los ntawm cov kua | Reflective particles los yog npuas nyob rau hauv cov kua |
| Kev pheej hmoo loj | Cov teeb liab poob los ntawm cov npuas, cov khoom khib nyiab, cov yeeb nkab tsis zoo, los yog kev txhim kho tsis zoo | Tsis muaj kev cuam tshuam yog tias cov kua dej huv heev |
Yog tias cov kua dej huv thiab cov yeeb nkab puv, pib nrog kev thauj mus los - sijhawm. Yog hais tias cov kua yog qias neeg, aerated, los yog muaj ib tug zoo xws li tshem tawm hais, soj ntsuam Doppler. Yog tias daim ntawv thov muaj cov dej qias neeg lossis dej khib nyiab, lub ntsuas hluav taws xob electromagnetic kuj tseem tsim nyog muab piv.
Kev Siv Feem Ntau Ntawm Kev Hloov -Lub Sijhawm Ultrasonic Flowmeters
Kev kho dej thiab kev faib tawm
Kev thauj mus los- lub sij hawm ultrasonic flowmeters feem ntau yog siv rau cov dej nyoos, dej kho, cov txheej txheem dej, kev kuaj xyuas cov twj tso kua mis, thiab kev saib xyuas kev faib khoom. Clamp- ntawm cov qauv muaj txiaj ntsig tshwj xeeb tshaj yog thaum cov neeg ua haujlwm xav tau ntxiv qhov ntsuas ntws mus rau cov kav dej uas twb muaj lawm yam tsis tau kaw txoj kab.
Ua ntej xaiv, xyuas seb cov yeeb nkab puas puv, seb huab cua puas tuaj yeem nyob ze ntawm qhov ntsuas ntsuas, thiab seb puas muaj cov yeeb nkab ncaj txaus kom deb ntawm cov twj, lub luj tshib, reducers, thiab tswj li qub.
HVAC thiab Energy Management
Hauv HVAC systems, kev thauj mus los - lub sij hawm ntsuas tau siv rau ntawm cov dej txias, dej kub, thiab cov kav dej condenser. Lawv pab txheeb xyuas cov twj tso kua mis, sib npaug ntws, thiab txhawb kev saib xyuas lub zog thaum ua ke nrog kev ntsuas kub.
Rau kev saib xyuas HVAC mus tas li, aphab ntsa{0}}mounted ultrasonic flow metertej zaum yuav tsim nyog. Rau kev ntsuas ib ntus lossis kev txheeb xyuas qhov chaw, tus qauv siv tau yooj yim feem ntau ua tau zoo dua.
Tshuaj thiab cov txheej txheem ua kua
Rau kev siv tshuaj lom neeg thiab cov txheej txheem, tsis yog - kev ntsuas kev sib cuag tuaj yeem txo qhov kev txhawj xeeb ntawm kev sib raug zoo vim tias clamp- ntawm cov sensors tsis kov cov kua. Qhov no tuaj yeem muaj txiaj ntsig rau corrosive, kim, lossis nyuaj -kom- tuav kua.
Txawm li cas los xij, cov kua acoustic zog, qhov kub thiab txias, viscosity, concentration hloov, thiab cov yeeb nkab hauv ob sab phlu yuav tsum tau tshuaj xyuas ua ntej xaiv. Yog tias cov txheej txheem tshuaj xav tau qhov raug siab lossis raug saib xyuas- qauv kev txheeb xyuas, calibration thiab installation tej yam kev mob tseem ceeb tshwj xeeb.
Khoom noj khoom haus thiab dej haus
Kev xa mus- lub sijhawm ntsuas tuaj yeem siv rau cov khoom noj thiab dej haus uas tsim nyog xws li dej, tshuaj ntxuav, kua txiv hmab txiv ntoo, mis nyuj, thiab kua txiv hmab txiv ntoo, muab cov kua dej thiab cov kav dej tso cai rau kev sib kis ultrasonic ruaj khov. Rau cov txheej txheem tu cev, cov neeg siv yuav tsum txiav txim siab seb qhov clamp- ntawm kev ntsuas puas txaus lossis seb puas yuav tsum muaj kev huv huv hauv kab - ntsuas ntsuas.
Kev Tshawb Fawb Txog Kev Ncua Sijhawm thiab Kev Saib Xyuas Kev Kho Mob
Portable thiab handheld ultrasonic ntsuas yog qhov muaj txiaj ntsig zoo rau kev ntsuas twj tso kua mis, kev daws teeb meem hauv lub cev, kev txheeb xyuas qhov ntws, thiab kev tshawb fawb luv luv -. Tus kws tshaj lij tuaj yeem txhim kho cov transducers sab nraum cov yeeb nkab, sau cov ntaub ntawv ntws, thiab tshem tawm cov ntsuas tom qab kuaj.
Rau hom haujlwm no, aPortable ultrasonic flow meterlos yogFT221 portable ultrasonic flow metertej zaum yuav siv tau ntau tshaj li ib lub installation ruaj.
Qhov tseem ceeb qhov zoo thiab cov kev txwv
Transit- lub sij hawm ultrasonic flowmeters muaj ntau qhov zoo, tab sis txhua qhov zoo dua muaj ib thaj tsam ntawm daim ntawv thov.
- Tsis yog -invasive installation:Clamp- ntawm cov sensors tuaj yeem ntsia sab nraum cov yeeb nkab, txo qhov kev pheej hmoo ntawm kev xau.
- Tsis muaj qhov txav txav:Tsis muaj rotors lossis lub zog hauv txoj kev ntsuas, yog li kev siv tshuab raug txo.
- Tsis muaj qhov poob siab ntxiv rau clamp- ntawm cov qauv:Vim tias tsis muaj dab tsi raug tso rau hauv cov yeeb nkab, lub clamp- ntawm lub ntsuas ntsuas tsis ntxiv qhov cuam tshuam - ntsig txog kev poob siab.
- Zoo rau retrofit tej yaam num:Cov kav dej uas twb muaj lawm feem ntau tuaj yeem ntsuas tsis tau txiav lossis vuam.
- Flexible rau kev ntsuas ib ntus lossis mus tas li:Tib lub hauv paus ntsiab lus tuaj yeem siv rau hauv tes, nqa tau, phab ntsa-mounted, ntxig, thiab inline designs.
Cov kev txwv tseem ceeb sib npaug. Kev thauj mus los- lub sijhawm ntsuas ntsuas tuaj yeem tawm tsam nrog cov kav dej ib nrab, cov kav dej tsis zoo, qhov ntsuas hnyav, cov npuas ntau dhau, cov ntsiab lus siab, kev khiav ncaj nraim, lossis cov kav dej tsis raug. Rau cov ntawv thov uas yuav tsum tau nruj dua qhov tseeb, tshuaj xyuas cov khoom specification kom zoo thiab xav txog ahigh precision ultrasonic flow meter.
Installation Factors uas cuam tshuam rau qhov tseeb
Kev txhim kho zoo yog feem ntau qhov sib txawv ntawm qhov ruaj khov ultrasonic txaus nyeem ntawv thiab tsis muaj zog, tsis muaj teeb meem. Chaw tsim tshuaj paus installation phau ntawv feem ntau qhia ncaj nraim khiav, transducer txoj hauj lwm, mounting txoj kev, thiab ib puag ncig txwv. Piv txwv li, ONICON F-4300 clamp-on ultrasonic flow meter phau ntawv qhia pom zoo mounting transducers ntawm ncaj, unobstructed yeeb nkab thiab tsis txhob khoov, tees, li qub, kev hloov, insertion probes, aerating khoom, kev co, thiab tsis zoo yeeb nkab nto nyob rau hauv nws.clamp- ntawm ultrasonic flow meter installation phau ntawv.
Cov yeeb nkab tag nrho
Cov yeeb nkab yuav tsum yog tag nrho ntawm cov kua. Ib nrab cov yeeb nkab tuaj yeem cuam tshuam txoj hauv kev acoustic thiab cuam tshuam qhov nrawm nrawm. Rau cov kav dej ntsug, kev ntws mus rau sab saud feem ntau yog yooj yim kom puv. Rau cov kav dej kab rov tav, zam qhov saum toj kawg nkaus, qhov chaw huab cua tuaj yeem sau tau, thiab hauv qab kawg, qhov twg cov av yuav nyob.
Ncaj yeeb nkab khiav
Flow cuam tshuam los ntawm lub luj tshib, li qub, twj tso kua mis, reducers, thiab tees tuaj yeem cuam tshuam qhov nrawm nrawm. Ib tug ruaj khov ntws profile txhim kho repeatability. Qhov ncaj ncaj- yuav tsum tau khiav yog nyob ntawm hom 'meter', yeeb nkab layout, cuam tshuam qhov hnyav, thiab cov lus qhia chaw tsim khoom. Yog tias muaj kev khiav ncaj nraim, sib tham txog qhov teeb tsa ua ntej yuav khoom es tsis xav tias qhov ntsuas yuav them rau nws.
Transducer Alignment thiab Mounting Method
Clamp- ntawm transducers yuav tsum tau ua kom zoo thiab sib nrug raws li kev ntsuas ntsuas. Kev sib raug zoo tsis zoo ua rau lub teeb liab tsis muaj zog thiab tuaj yeem tsim cov kev nyeem tsis ruaj khov. Txoj kev mounting feem ntau suav nrog kev xav txog hom thiab hom ncaj qha; Qee lub tuam txhab piav qhia cov no li V, W, lossis Z teeb tsa. Hauv kev xyaum, txoj kev xaiv yog nyob ntawm cov yeeb nkab loj, cov khoom siv yeeb nkab, phab ntsa thickness, lub teeb liab lub zog, thiab muaj qhov chaw mounting.
Yog xav paub ntxiv, saib daim ntawv qhia sab hauv no ntawm lubinstallation txoj kev ntawm ultrasonic flow meter.
Cov khoom siv yeeb nkab, hauv ob sab phlu, thiab qhov chaw nyob
Lub 'meter' xav tau cov ntaub ntawv raug yeeb nkab: sab nraud txoj kab uas hla, phab ntsa tuab, cov khoom siv yeeb nkab, cov khoom siv hauv ob sab phlu, thiab cov yeeb nkab teem caij yog tias muaj. Cov kav dej qub, cov xim tuab, xeb, nplai, vuam seams, thiab cov kab tsis paub yuav ua rau lub teeb liab ultrasonic tsis muaj zog.
Ua ntej txhim kho clamp- ntawm cov sensors, ntxuav qhov chaw txuas thiab tshem tawm cov xim xoob lossis nplai. Lub ntsej muag transducer yuav tsum zaum ruaj rau cov yeeb nkab nrog cov khoom siv acoustic txuas.
Huab cua npuas, khoom, thiab teeb pom kev zoo
Kev thauj mus los- lub sijhawm ntsuas ntsuas ua haujlwm zoo tshaj plaws thaum lub teeb liab ultrasonic taug kev huv huv los ntawm cov kua. Huab cua npuas, ua npuas ncauj, tshem tawm cov khib nyiab, lossis kev hloov pauv tam sim ntawd tuaj yeem tawg lossis ua rau lub teeb liab tsis muaj zog. Yog tias lub ntsuas ntsuas pom lub zog tsis muaj zog lossis kev nyeem tsis ruaj khov, qhov teeb meem yuav yog cov kua dej, tsis yog cov khoom siv hluav taws xob.
Txhawm rau nyeem ntxiv txog kev ntsuas kev ua tau zoo, saib nplooj ntawv sab hauv ntawmultrasonic flow meter raugthiab phau ntawv qhia rauYuav ua li cas txhim kho ultrasonic flow meter raug.
Clamp-On vs Insertion vs Inline vs Portable: Hom twg Koj Yuav Tsum Xaiv?
Kev thauj mus los zoo tshaj - lub sij hawm ultrasonic flowmeter tsis yog qhov kim tshaj plaws. Nws yog ib qho uas phim cov yeeb nkab, kua, qhov yuav tsum tau muaj tseeb, thiab kev npaj kho.
| Hom Meter | Qhov zoo tshaj plaws siv thaum | Main Advantage | Yuav kuaj xyuas dab tsi |
|---|---|---|---|
| Clamp-rau | Cov yeeb nkab yog siv tau thiab cov kua yog huv txaus rau kev ruaj ntseg teeb liab kis tau tus mob | Tsis muaj yeeb nkab txiav, tsis muaj dej sib cuag, tsis muaj kev poob siab ntxiv | Yeeb nkab nto, hauv ob sab phlu, tag nrho cov yeeb nkab mob, ncaj khiav, teeb liab zog |
| Insertion | Cov kav dej loj lossis cov teeb meem acoustic nyuaj yuav tsum muaj lub teeb pom kev zoo dua | tuaj yeem txhim kho cov teeb liab kev ntseeg siab hauv qee qhov kev thov nyuaj | Cov yeeb nkab tapping, kaw qhov yuav tsum tau ua, ntsuas qhov siab, sealing txoj kev |
| Hauv kab | Ib qho kev ntsuas mus tas li tuaj yeem ntsia tau | Tswj geometry thiab ruaj khov installation | Kev hloov kho yeeb nkab, flange loj, siab poob, cov khoom sib xws |
| Portable | Yuav tsum tau kuaj ib ntus, commissioning, tshuaj xyuas, lossis kev daws teeb meem | Saj zawg zog teb ntsuas yam tsis tas yuav installation | Roj teeb lub neej, cov ntaub ntawv kaw lus, sensor ntau, cov yeeb nkab nkag |
Yog tias koj xav tau ib qho chaw ruaj khov uas tsis yog- ntsuas ntsuas qhov ntsuas, ntsuas qhov clamp- ntawm lossis phab ntsa- cov qauv mounted. Yog tias koj xav tau kev kuaj xyuas ib ntus hla ntau cov kav dej, xaiv ib lub meter portable. Yog tias koj xav tau cov teeb liab muaj zog ua tau zoo ntawm cov kav dej loj lossis nyuaj, sib piv cov kev ntxig ntxig thiab cov kev xaiv inline. Rau cov khoom lag luam - qib sib piv, tshuaj xyuas qhov noinsertion thiab clamp- ntawm ultrasonic flow meterkev xaiv.
Kev daws teeb meem tsis muaj zog lossis tsis ruaj khov
Yog hais tias ib qho kev thauj mus los - lub sij hawm ultrasonic flowmeter tsis nyeem kom raug, tsis txhob hloov lub ntsuas ntsuas ua ntej kuaj xyuas cov kev teeb tsa thiab daim ntawv thov. Muaj ntau yam teeb meem los ntawm cov ntaub ntawv yeeb nkab, sensor mounting, flow profile, los yog kua dej.
| Cov tsos mob | Tej yam ua rau | Thawj qhov kuaj xyuas |
|---|---|---|
| Tsis muaj teeb meem | Kev sib txuas tsis zoo, cov yeeb nkab qias neeg, txheej tuab, qhov sib txawv ntawm qhov tsis raug, cov khoom siv yeeb nkab tsis zoo | Ntxuav cov yeeb nkab saum npoo, rov ua dua couplant, xyuas cov ntaub ntawv yeeb nkab thiab qhov sib txuas ntawm cov transducer |
| Kev nyeem ntawv tsis ruaj khov | Huab cua npuas, khib nyiab, luv ncaj khiav, valve turbulence, twj tso kua mis cuam tshuam | Txav mus rau qhov chaw sensor, xyuas cov yeeb nkab tag nrho, tsis txhob cuam tshuam qhov chaw |
| Tsis nyeem ntawv | Qhov tsis raug, tsis muaj txoj hauv kev acoustic, khoob lossis ib nrab ntim cov yeeb nkab, scaling loj | Xyuas cov yeeb nkab txoj kab uas hla, phab ntsa thickness, cov khoom, hom kua, thiab sensor orientation |
| Nyeem ntawv qis lossis siab tshaj qhov xav tau | Cov yeeb nkab ID tsis raug, chav nyob tsis raug, tsis zoo txaus profile, tsis tsim nyog mounting txoj kev | Txheeb xyuas cov yeeb nkab sab hauv txoj kab uas hla, hom kev teeb tsa, kev taw qhia ntws, thiab ntsuas ntsuas |
Yog xav paub ntxiv txog qhov txhaum, mus saib nplooj ntawv nokev daws teeb meem rau cov teeb meem nrog ultrasonic flowmeters.
Yuav Ua Li Cas Xaiv Txoj Kev Mus Los Zoo -Lub Sijhawm Ultrasonic Flowmeter
Siv cov txheej txheem kev txiav txim siab hauv qab no ua ntej thov cov lus hais lossis xaiv tus qauv.
1. Paub meej txog cov kua dej
Txheeb xyuas lub npe ua kua, qhov kub thiab txias, viscosity, huv si, cov ntsiab lus ntawm cov khoom khib nyiab, cov ntsiab lus npuas, thiab seb cov kua dej muaj pes tsawg leeg hloov thaum lub sijhawm ua haujlwm. Cov dej huv thiab cov dej txias txias feem ntau yog ncaj nraim. Cov dej khib nyiab, kua nplaum, kua aerated, thiab coated - cov ntawv siv yeeb nkab xav tau kev tshuaj xyuas ntau ntxiv.
2. Paub meej cov ntaub ntawv yeeb nkab
Npaj cov yeeb nkab sab nraud txoj kab uas hla, phab ntsa tuab, cov khoom siv, hauv ob sab phlu, cov yeeb nkab teem caij, thiab seb cov yeeb nkab puas yog qub, scaled, pleev xim rau, los yog insulated. Rau clamp- ntawm kev ntsuas, cov ntaub ntawv yeeb nkab tsis yog xaiv tau; lawv ncaj qha cuam tshuam rau transducer spacing thiab acoustic kis tau tus mob.
3. Txhais qhov Flow Range
Muab qhov tsawg kawg nkaus, qhov qub, thiab qhov siab tshaj plaws ntws. Yog tias cov dej ntws tsis tshua muaj qis los yog muaj qhov sib txawv, xyuas qhov ntsuas qhov ntsuas qhov ntsuas qhov ntsuas thiab rov ua dua ua ntej xaiv.
4. Saib xyuas qhov chaw teeb tsa
Xyuas seb cov yeeb nkab puas puv, seb puas muaj kev khiav ncaj nraim, seb cov yeeb nkab puas siv tau, thiab seb lub meter puas yuav raug kev co, ya raws, sab nraum zoov, qhov chaw kub, lossis hluav taws xob cuam tshuam.
5. Xaiv qhov tso zis thiab kev sib txuas lus
Rau cov tshuab kev lag luam, paub meej tias koj xav tau 4-20 mA, pulse output, relay output, RS485, Modbus, cov ntaub ntawv logging, los yog kev koom ua ke nrog PLC, SCADA, los yog lub tsev tswj system. Yog tias kev sib txuas lus tseem ceeb, xav txog tus qauv xws li aTom ntej: RS485 Ultrasonic Flow Meter.
6. Txiav txim seb puas yuav tsum tau calibration
Calibration yuav tsum nyob ntawm cov txheej txheem tseem ceeb, kev tswj xyuas kom zoo, thiab kev cia siab rau qhov raug. NIST sau tseg tias flow meter calibration uncertainty suav nrog tsis tsuas yog tus qauv tseem ceeb xwb tab sis kuj ntsuas kev tsim khoom thiab cov neeg siv khoom- muab kev ntsuas hauv nwsCov ntaub ntawv qhia txog kev ua kua dej calibration. Nyob rau hauv cov ntsiab lus, tsis txhob txiav txim ib tug txaus system tsuas yog los ntawm lub meter's catalog raug; installation thiab calibration tej yam kev mob kuj tseem ceeb.
Rau cov kev taw qhia sab hauv, txheeb xyuasCov kev coj ua zoo tshaj plaws rau calibrating flowmeter.
Cov ntaub ntawv los npaj ua ntej thov ib nqe lus
Txhawm rau tau txais cov lus pom zoo, npaj cov ntaub ntawv hauv qab no ua ntej hu rau tus neeg muag khoom:
- Lub npe kua thiab seb nws yog huv, qias neeg, aerated, viscous, los yog corrosive
- Cov yeeb nkab sab nraud txoj kab uas hla, phab ntsa thickness, cov khoom siv, hauv ob sab phlu, thiab cov yeeb nkab teem caij
- Yam tsawg kawg nkaus, ib txwm, thiab siab kawg ntws tus nqi
- Kev khiav hauj lwm kub thiab siab
- Kev teeb tsa hom: clamp-on, ntxig, inline, portable, lossis phab ntsa-mounted
- Muaj cov yeeb nkab ncaj nraim mus rau sab saud thiab hauv qab
- Cov zis yuav tsum muaj: 4-20 mA, mem tes, RS485, Modbus, cov ntaub ntawv logging, relay tso zis
- Fais fab mov thiab tso saib yuav tsum tau
- Sab hauv, sab nraum zoov, ntub dej, siab -kub, lossis ib puag ncig kev co
- Seb daim ntawv pov thawj calibration los yog qhov tseeb yog yuav tsum tau
Yog tias koj twb paub cov yeeb nkab thiab cov ntaub ntawv dej, koj tuaj yeem xa lawv los ntawm qhovflow meter nug nploojrau kev xaiv qauv kev txhawb nqa.
Feem ntau yuam kev kom zam
- Xaiv tsuas yog cov yeeb nkab loj thiab tus nqi:Cov dej txias, cov teeb liab zoo, qhov chaw teeb tsa, thiab cov kev xav tau tso tawm yog qhov tseem ceeb.
- Siv kev thauj mus los- lub sijhawm rau cov kua aerated hnyav yam tsis tau tshuaj xyuas:Cov npuas ntau dhau tuaj yeem ua rau cov teeb liab kis tsis muaj zog.
- Tsis quav ntsej tag nrho cov yeeb nkab mob:Ib feem ntawm cov yeeb nkab tuaj yeem ua rau kev thauj mus los - lub sijhawm nyeem ntawv tsis tuaj yeem ntseeg tau.
- Txhim kho ze rau lub luj tshib, li qub, twj, lossis reducers:Disturbed flow profiles txo cov repeatability.
- Nkag mus rau cov ntaub ntawv yeeb nkab tsis raug:Cov phab ntsa tsis raug, cov ntaub ntawv, lossis cov ntaub ntawv hauv ob sab phlu tuaj yeem cuam tshuam rau qhov sib txawv ntawm qhov sib txawv thiab kev suav.
- Mounting ntawm ntxhib los yog coated nto yam tsis tau npaj:Cov xim xoob xoob, xeb, nplai, thiab kev sib txuas tsis zoo tuaj yeem ua rau lub teeb liab tsis muaj zog.
- Piv txwv tias tag nrho cov ntsuas ultrasonic ua haujlwm tib yam:Kev thauj mus los- sij hawm thiab Doppler meters daws teeb meem kev ntsuas kua sib txawv.
FAQ
Q: Dab tsi yog qhov zoo tshaj plaws cable rau solar panels?
A: Rau DC sab ntawm PV system, siv PV- ntsuas hnub ci DC cable lossis PV xaim uas ua tau raws li qhov xav tau qhov hluav taws xob, qhov kub thiab txias, UV tiv thaiv thiab ntawv pov thawj rau lub lag luam project.
Q: Qhov loj npaum li cas hnub ci cable kuv yuav tsum siv?
A: Cable loj nyob ntawm qhov tam sim no, qhov hluav taws xob poob, txoj kev ntev, cov khoom siv hluav taws xob, qhov kub thiab txias, pab pawg thiab kev teeb tsa. Tsis txhob xaiv cable loj tsuas yog los ntawm tus cwj pwm.
Q: Puas yog H1Z2Z2-K zoo dua PV1-F?
A: H1Z2Z2-K feem ntau yog siv nyob rau hauv niaj hnub European thiab IEC-raws li PV tej yaam num, thaum PV1-F tej zaum yuav tseem tshwm nyob rau hauv cov laus los yog project-specific specifications. Qhov kev xaiv zoo dua yog nyob ntawm qhov project tus qauv thiab kev lees paub hauv zos.
Q: Dab tsi yog qhov txawv ntawm PV hlau thiab hnub ci cable?
A: Cov ntsiab lus yog qee zaum siv xoob, tab sis hauv kev yuav khoom lawv yuav tsum tau khi rau cov qauv thiab kev ua lag luam. UL PV Hlau yog muaj nyob rau hauv North American tej yaam num, thaum H1Z2Z2-K hnub ci cable yog muaj nyob rau hauv IEC los yog European specifications.
Q: Kuv puas tuaj yeem siv cov xaim hluav taws xob ib txwm siv rau hnub ci vaj huam sib luag?
A: Rau sab nraum zoov PV DC circuits, ib txwm hluav taws xob xaim feem ntau tsis yog qhov tsim nyog hloov tshwj tsis yog tias qhov project tsim thiab cov cai hauv zos kom meej meej tso cai. PV cables yog tsim rau hnub ci, huab cua thiab PV kev ua haujlwm.
Q: Vim li cas lub hnub ci cables feem ntau liab thiab dub?
A: Liab thiab dub pab txheeb xyuas DC polarity. Liab feem ntau yog siv rau qhov zoo thiab dub rau qhov tsis zoo, tab sis cov neeg tsim khoom yuav tsum ua raws li qhov project kos duab, cov ntawv lo thiab kev coj ua hauv zos.
Q: Puas yog lub hnub ci connectors tseem ceeb npaum li lub cable?
A: Yog. Ib qho kev sib txuas tsis zoo lossis crimp tsis zoo tuaj yeem tsim kom sov, dej nkag los yog tsis ua haujlwm. Nco ntsoov xyuas connector compatibility, ratings thiab installation cov lus qhia.
Q: Lub hnub ci cables puas tuaj yeem faus hauv av?
A: Tsuas yog siv lub cable hauv av yog tias nws tsim, sheath, tiv thaiv txoj kev thiab qhov project tus qauv tso cai rau nws. Qee cov cables xav tau cov kav dej lossis cov khoom siv tiv thaiv ntxiv.
Q: Puas yog cov phiaj xwm hnub ci xav tau kev sib txuas lus cable?
A: Ntau cov haujlwm PV xav tau kev sib txuas lus cable rau kev saib xyuas inverter, cov ntaub ntawv loggers, chaw nres tsheb huab cua, trackers, tswb thiab SCADA systems. Cov phiaj xwm loj dua yuav xav tau cov ntaub ntawv muaj zog ntau dua li cov tshuab me me.
Q: Kuv tuaj yeem txo qhov kev poob qis hauv lub hnub ci cable li cas?
A: Koj tuaj yeem txo qhov kev poob qis los ntawm kev ua kom luv luv ntawm txoj kev cable, nce tus neeg xyuas pib loj, txo qhov tam sim no ntawm ib lub cable uas tus qauv tso cai, lossis kho cov qauv tsim raws li kev qhia engineering.
Xaus
Kev thauj mus los- lub sij hawm ultrasonic flowmeter yog qhov kev xaiv muaj zog rau kev ntsuas dej huv lossis cov dej huv huv hauv cov kav dej kaw. Nws yog ib qho tseem ceeb tshwj xeeb tshaj yog thaum tsis muaj - kev cuam tshuam kev teeb tsa, tsis muaj kev poob siab ntxiv, thiab kev saib xyuas qis yog qhov tseem ceeb.
Qhov kev txiav txim siab tseem ceeb tsis yog "ultrasonic lossis tsis yog." Cov lus nug tiag tiag yog seb koj cov kua, cov yeeb nkab, thiab kev teeb tsa puas tso cai rau kev sib kis ultrasonic ruaj khov. Rau cov dej huv, dej txias, dej kub, ntau cov txheej txheem ua kua, thiab kev kuaj xyuas ib ntus, kev thauj mus los - lub sij hawm siv tshuab feem ntau haum. Rau hnyav aerated, qias neeg, los yog slurry-zoo li cov kua, Doppler los yog lwm yam kev ntsuas ntws yuav tsum tau soj ntsuam ua ntej.
Ua ntej xaiv ib lub 'meter', paub meej tias cov kua dej, cov yeeb nkab tsis muaj, cov dej ntws ntau, qhov chaw teeb tsa, teeb pom kev zoo txaus ntshai, thiab cov khoom tso tawm. Yog tias cov ntsiab lus no meej meej, cov txheej txheem xaiv yuav nrawm dua, muaj tseeb dua, thiab tsis tshua muaj peev xwm ua rau cov ntawv nyeem tsis ruaj khov.
