Ultrasonic flow meters ntsuas ntws los ntawm kev xa suab nthwv dej los ntawm lossis hla cov kua dej. Lawv tau siv dav hauv cov tshuab dej, HVAC loops, cov txheej txheem kev lag luam, kev siv dej khib nyiab, thiab kev tshawb fawb ib ntus vim tias ntau tus qauv tuaj yeem ntsuas qhov ntws yam tsis tau txav qhov chaw lossis cov yeeb nkab nkag.
Ob lub ntsiab ntawm ultrasonic flow meters los ntawm kev ntsuas txoj cai yogKev thauj mus los- lub sijhawm ultrasonic flowmeterthiabDoppler ultrasonic flow meter. Hauv cov ntsiab lus yooj yim, kev thauj mus los- lub sijhawm ntsuas ntsuas feem ntau yog xaiv rau huv, puv - cov kua dej yeeb, thaum Doppler meters feem ntau yog xaiv rau cov kua uas muaj cov khib nyiab tshem tawm lossis cov npuas roj.
Yog koj muab pivUltrasonic flow meter daws teeb meem, cov lus nug tseem ceeb tshaj plaws tsis yog "Qhov twg zoo dua?" tab sis "Yuav ua li cas hom twg phim cov kua dej, cov yeeb nkab mob, txoj kev teeb tsa, thiab qhov yuav tsum tau tso tawm?"
Cov lus teb ceev: Dab tsi yog Ob Hom Tseem Ceeb ntawm Ultrasonic Flow Meters?
Ob lub ntsiab ultrasonic flow meter hom yog:
- Transit{0}} lub sij hawm ultrasonic flowmeter:Qhov zoo tshaj plaws rau cov kua dej huv, homogeneous qhov twg lub teeb liab ultrasonic tuaj yeem mus kom meej meej ntawm cov transducers.
- Doppler ultrasonic flow meter:Qhov zoo tshaj plaws rau cov khoom qias neeg, aerated, los yog particle- muaj cov kua dej uas muaj npuas lossis cov khib nyiab tuaj yeem cuam tshuam cov teeb liab ultrasonic.
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Hom Zoo tshaj rau Feem ntau Tsis Zoo Rau Transit{0}}Lub Sijhawm Ultrasonic Flow Meter Cov dej huv, dej txias, dej kub, roj, cov tshuaj siv tau zoo, kaw - cov dej ua kua Hnyav slurry, cov kua aerated heev, cov dej khib nyiab tsis ruaj khov, cov kav dej ib nrab Doppler Ultrasonic Flow Meter Cov dej khib nyiab, sludge, slurry, muaj paug tawm, kua nrog npuas los yog tshem tawm cov khib nyiab Cov kua dej huv heev uas tsis muaj cov khoom los yog npuas
Ultrasonic Flow Meter Hom los ntawm Txoj Cai vs Installation Style
Ib qho ntawm qhov tsis meej pem yog lo lus "hom." Hauv kev ntsuas ultrasonic ndlwg, "hom" tuaj yeem xa mus rau ntau hom kev faib tawm.
| Txoj kev cais | Piv txwv | Nws txhais li cas |
|---|---|---|
| Kev ntsuas txoj cai | Kev mus los -time, Doppler | Yuav ua li cas lub 'meter' siv ultrasonic signals los xam cov ndlwg tshaj tawm |
| Installation style | Clamp-on, inline, insertion | Yuav ua li cas lub sensor los yog meter lub cev yog ntsia rau ntawm cov yeeb nkab |
| Kev siv style | Portable, tsau, phab ntsa-mounted | Seb lub 'meter' yog siv rau kev kuaj ib ntus lossis kev soj ntsuam mus tas li |
| Daim ntawv thov mob | Kaw- yeeb nkab, qhib-channel, puv - yeeb nkab, ib nrab cov yeeb nkab | Hydraulic mob nyob rau hauv uas lub meter yuav tsum ntsuas ntws |
Kev thauj mus los- sijhawm thiab Doppler piav qhia txog kev ntsuas. Aclamp- ntawm ultrasonic flow meterTxawm li cas los xij, piav qhia txog kev teeb tsa kev teeb tsa. Lub clamp- ntawm lub ntsuas hluav taws xob tuaj yeem siv kev thauj mus los- lub sijhawm thev naus laus zis hauv ntau yam huv huv - cov ntaub ntawv siv kua, thaum qee qhov Doppler ntsuas tuaj yeem tsim los rau kev siv tsis yog - ntxeem tau lossis siv tau.
Rau kev kuaj mob ib ntus, aPortable ultrasonic flow metertej zaum yuav siv tau ntau dua. Rau kev saib xyuas cov nroj tsuag ruaj khov, aphab ntsa{0}}mounted ultrasonic flow metertej zaum yuav haum zoo dua.
Yuav ua li cas Ultrasonic Flow Meters Ua Haujlwm
Ultrasonic flow meter ntsuas dej tshaj tawm los ntawm kev siv siab - zaus suab nthwv dej. Thaum lub ntsuas ntsuas tau ntsuas qhov nrawm, nws tuaj yeem sib txuas qhov nrawm nrog cov yeeb nkab sab hauv tus ntoo khaub lig- ntu ntu kom kwv yees qhov ntsuas qhov ntsuas qhov ntsuas.
Txoj kev ntsuas qhov tseeb nyob ntawm kev siv tshuab. Kev thauj mus los- lub sijhawm ntsuas ntsuas piv lub sijhawm mus ncig ntawm cov cim ultrasonic txav nrog thiab tawm tsam qhov ntws. Doppler meter ntsuas qhov zaus hloov ntawm ultrasonic echoes cuam tshuam los ntawm cov khoom los yog npuas hauv cov kua. Technical references los ntawmOMEGA Engineeringpiav qhia txog qhov sib txawv ntawm qhov tseem ceeb: Doppler thev naus laus zis yog siv rau cov kua dej uas muaj cov khoom siv los yog cov npuas, thaum kev thauj mus los - lub sijhawm siv tshuab yog siv rau cov kua dej huv.
Vim tias kev ntsuas ultrasonic nyob ntawm cov teeb liab kis tau tus mob, qhov kawg kev ua tau zoo cuam tshuam los ntawm ntau tshaj li qhov ntsuas nws tus kheej. Cov dej txias, cov khoom siv yeeb nkab, cov yeeb nkab liner, phab ntsa thickness, nplai buildup, tag nrho - yeeb nkab mob, kev co, thiab transducer alignment tuaj yeem cuam tshuam cov teeb liab zog thiab kev nyeem ntawv ruaj khov.
Transit{0}}Lub Sijhawm Ultrasonic Flow Meters
A transit{0}} lub sij hawm ultrasonic flow meterfeem ntau siv ob transducers. Ib lub teeb liab taug kev mus rau hauv qab dej nrog qhov ntws, thiab lwm lub teeb liab taug kev nce toj tawm tsam qhov ntws. Thaum cov kua txav mus, lub teeb liab downstream mus me ntsis sai dua cov teeb liab ntws. Lub 'meter' suav cov khiav nrawm los ntawm lub sijhawm sib txawv no.
Thaum twg los xaiv qhov kev mus los -Lub Sijhawm Ultrasonic Flow Meter
Kev thauj mus los- lub sij hawm ntsuas feem ntau yog thawj qhov kev xaiv thaum cov kua huv si, cov yeeb nkab puv, thiab txoj kev acoustic ruaj khov. Cov ntawv thov ib txwm muaj xws li:
- Kev faib dej huv huv
- Chilled dej thiab dej kub loops
- HVAC zog xyuas
- Cov roj huv huv
- Tau tshaj cov kua tshuaj
- Kaw-cov yeeb nkab kev lag luam ua kua
Rau cov dej num huv huv, ibultrasonic dej ntws meterfeem ntau xaiv thaum uas tsis yog - ntsuas kev cuam tshuam, tsis tshua muaj siab poob, lossis kev teeb tsa rov qab yog qhov tseem ceeb.
Yog vim li cas Transit-Lub Sijhawm Ua Haujlwm Zoo dua hauv Cov Kua Dej huv
Transit-lub sij hawm thev naus laus zis xav tau txoj hauv kev ntshiab acoustic los ntawm cov kua. Yog tias cov kua muaj cov npuas roj ntau dhau lossis cov khoom raug tshem tawm, lub suab teeb liab tuaj yeem tawg lossis tsis muaj zog. Qhov no tuaj yeem txo cov teeb liab zoo thiab ua rau kev nyeem tsis ruaj khov. Tias yog vim li cas kev thauj mus los - lub sij hawm ntsuas feem ntau pom zoo rau cov kua dej huv thiab sib npaug.
Qhov zoo ntawm Transit-Lub Sijhawm Ultrasonic Flow Meters
- Kev ntsuas kev ruaj ntseg zoo thaum cov yeeb nkab puv thiab cov kua dej huv
- Tsis muaj qhov txav ntawm txoj kev ntws
- Haum rau clamp- ntawm thiab inline tsim
- Tsis muaj kev poob siab ntxiv thaum ntsia raws li clamp- ntawm meter
- Pab tau rau ob qho tib si saib xyuas mus tas li thiab kev txheeb xyuas ib ntus
Rau HVAC lossis kev siv hluav taws xob, aBTU txias dej ultrasonic flow metertuaj yeem ua ke ntsuas qhov ntsuas kub nrog qhov ntsuas kub los txhawb kev saib xyuas lub zog.
Cov kev txwv ntawm kev thauj mus los-Lub Sijhawm Ultrasonic Flow Meters
Kev thauj mus los- lub sijhawm ntsuas tsis yog qhov kev xaiv zoo tshaj plaws rau txhua daim ntawv thov. Lawv tuaj yeem tawm tsam thaum cov kua dej aerated heev, hnyav heev, lossis tsis tas li. Kev tsim cov yeeb nkab loj heev, cov ntaub ntawv tsis zoo, kev sib txuas tsis zoo, thiab kev co muaj zog tuaj yeem txo cov teeb liab zoo.
Hauv kev xyaum, tsis txhob xaiv ib qho kev thauj mus los - lub sij hawm ntsuas raws li cov yeeb nkab txoj kab uas hla. Paub meej tias cov kua dej, cov khoom siv yeeb nkab, phab ntsa thickness, ntws ntau, thiab qhov chaw teeb tsa ua ntej xaiv tus qauv.
Doppler Ultrasonic Flow Meters
Doppler ultrasonic flow meter xa cov teeb liab ultrasonic rau hauv cov kua ntws thiab ntsuas qhov zaus hloov ntawm lub teeb liab rov qab los ntawm cov khoom raug tshem tawm lossis cov npuas roj. Qhov no yog vim li cas Doppler ntsuas tuaj yeem siv tau rau hauv cov kua dej qias neeg lossis aerated.
Teledyne ISCO piav qhia txog lub hauv paus ntsiab lus no hauv nwscheeb tsam velocity flow modulecov ntaub ntawv, qhov uas txuas ntxiv nthwv dej Doppler thev naus laus zis ntsuas rov qab echoes cuam tshuam los ntawm huab cua npuas lossis cov khoom hauv qhov ntws.
Thaum xaiv Doppler Ultrasonic Flow Meter
Doppler thev naus laus zis feem ntau yog txiav txim siab thaum cov kua ib txwm muaj cov reflectors txaus rau lub teeb liab rov qab. Cov ntawv thov uas muaj xws li:
- Cov dej khib nyiab
- Sludge
- Slurry
- Aerated kua
- Industrial tso dej ntws
- Mining los yog ntxhia ua kua
Rau kev sim ib ntus lossis ua haujlwm hauv chaw qias neeg -kua siv, aPortable Doppler Flow Metertuaj yeem pab tau thaum cov kua dej muaj cov khib nyiab txaus los yog npuas rau cov teeb liab rov qab.
Vim li cas Doppler tsis ua haujlwm zoo hauv cov kua dej huv heev
Doppler ntsuas xav tau cov reflectors. Yog tias cov kua dej huv heev thiab tsis muaj cov kab mob lossis cov npuas, lub ntsuas yuav tsis tau txais lub teeb liab muaj zog. Nyob rau hauv tas li ntawd, kev nyeem ntawv yuav ua tsis ruaj tsis khov los yog tsis muaj. Rau cov dej huv, roj huv, lossis dej deionized, kev thauj mus los - lub sijhawm siv tshuab feem ntau yog qhov pib muaj kev nyab xeeb dua.
Qhov zoo ntawm Doppler Ultrasonic Flow Meters
- Haum rau cov kua qaub los yog aerated
- Siv tau rau hauv cov dej khib nyiab, sludge, thiab slurry daim ntaub ntawv
- Yuav zam kom tsis txhob muaj kev sib cuag ncaj qha nrog cov kua dej abrasive lossis corrosive thaum siv hauv clamp- ntawm kev tsim
- Tsis muaj qhov txav ntawm qhov ntws ntws
- Siv tau rau cov kua dej nyuaj uas muaj kev thauj mus los - lub sijhawm teeb liab yuav tsis muaj zog
Kev txwv ntawm Doppler Ultrasonic Flow Meters
Doppler meters yuav tsum tsis txhob raug kho raws li universal ultrasonic flow meters. Lawv tsis zoo tagnrho rau cov kua dej huv uas tsis muaj qhov cuam tshuam. Lawv kuj tuaj yeem raug cuam tshuam los ntawm kev faib cov khoom tsis sib xws, tsis ruaj khov aeration, sedimentation, thiab hloov cov khoom khib nyiab.
Yog tias tus txheej txheem xav tau qhov tseeb siab ntawm cov kua dej huv thiab ruaj khov, tus neeg yuav khoom feem ntau yuav tsum ntsuas kev thauj mus los -lub sijhawm thev naus laus zis ua ntej thiab tom qab ntawd tshuaj xyuasultrasonic flow meter raugcov cai tiv thaiv cov kev ua haujlwm tiag tiag.
Transit-Lub Sijhawm vs Doppler Ultrasonic Flow Meters: Qhov Tseem Ceeb Qhov txawv
| Kev sib piv Factor | Transit{0}}Lub Sijhawm Ultrasonic Flow Meter | Doppler Ultrasonic Flow Meter |
|---|---|---|
| Kev ntsuas txoj cai | Sib piv cov kab hluav taws xob sab sauv thiab qis qis mus ncig lub sijhawm | Kev ntsuas zaus hloov ntawm qhov cuam tshuam ultrasonic teeb liab |
| Cov kua dej zoo tshaj plaws | Huv, homogeneous, puv - cov kua dej | qias neeg, aerated, los yog particle-muaj kua |
| Particle thiab npuas | Feem ntau txo cov teeb liab zoo | Feem ntau yuav tsum tau rau lub teeb liab xav txog |
| Tej kev siv | Cov dej huv, HVAC, roj, cov tshuaj siv tau zoo, ua kua dej | Cov dej khib nyiab, sludge, slurry, industrial paug |
| Txoj kev xaiv tseem ceeb | Tsis muaj zog teeb liab los ntawm npuas, khoom, nplai, liner, los yog tsis zoo coupling | Tsis muaj zog lossis tsis muaj teeb liab yog tias cov kua dej huv heev |
| Common installation styles | Clamp-on, inline, portable, tsau | Feem ntau portable los yog clamp-rau rau qias neeg- kua checks, nyob ntawm tus tsim |
| Tus neeg yuav khoom qhov kev txhawj xeeb tseem ceeb | Qhov tseeb, ruaj khov teeb liab, cov ntaub ntawv yeeb nkab raug | Cov teeb liab kev ntseeg tau nyob rau hauv cov kua nrog hloov cov khoom los yog npuas |
Yuav Ua Li Cas Xaiv Txoj Cai Ultrasonic Flow Meter Hom
Xaiv ib qho ultrasonic flow meter yog txheej txheem sib txuam. Ib qho kev xaiv zoo nyob ntawm cov kua dej, cov yeeb nkab, qhov chaw teeb tsa, thiab cov teeb liab yuav tsum tau ua.
1. Pib nrog cov kua dej
| Cov dej txias | Pom zoo pib Point | Yog vim li cas |
|---|---|---|
| Cov dej huv huv hauv cov kav dej puv | Kev thauj mus los - sijhawm | Txoj kev suab yog feem ntau ruaj khov thiab meej |
| Ntxuav cov roj yam tsis muaj npuas | Kev thauj mus los - sijhawm | Doppler tuaj yeem tsis muaj qhov cuam tshuam |
| Cov dej khib nyiab nrog npuas los yog cov khib nyiab tshem tawm | Doppler los yog kuaj xyuas kev thauj mus los -lub sij hawm, nyob ntawm kev ruaj ntseg | Doppler tuaj yeem siv cov npuas lossis cov khoom ua kom pom kev |
| Hnyav slurry | Doppler los yog tshwj xeeb flow meter | Cov khib nyiab siab tuaj yeem ua rau tsis muaj zog lossis tawg cov cim; daim ntawv thov kev xeem yuav xav tau |
| Ib nrab ntim cov yeeb nkab | Tshwj xeeb qhib-channel lossis cheeb tsam- kev daws teeb meem ceev | Txheem kaw -pipe flow calculation assumes a full pipe |
| Conductive qias neeg ua kua | Xav txog ultrasonic los yogelectromagnetic flow meter | Magnetic flow meter tuaj yeem ua tau zoo rau kev ua kua dej |
2. Tshawb xyuas cov ntaub ntawv yeeb nkab
Rau clamp- ntawm ultrasonic meters, cov ntaub ntawv yeeb nkab yog qhov tseem ceeb. Npaj cov ntaub ntawv hauv qab no ua ntej xaiv:
- Cov yeeb nkab sab nraud
- Cov yeeb nkab phab ntsa thickness
- Cov khoom siv yeeb nkab
- Liner khoom, yog tias muaj
- Internal scaling los yog corrosion mob
- Seb cov yeeb nkab ib txwm puv
- Muaj ncaj yeeb nkab ntev
Cov kab mob tseem ceeb vim tias lub teeb liab ultrasonic yuav tsum dhau los ntawm cov yeeb nkab phab ntsa thiab cov kua. Cov yeeb nkab tsis zoo, cov kab tuab tuab, cov ntaub ntawv yeeb nkab tsis raug, lossis tsis muaj zog acoustic coupling tuaj yeem ua rau lub ntsuas ntsuas tsis zoo.
3. Paub meej qhov Flow Range
Tsis txhob xaiv ib lub 'meter' los ntawm cov yeeb nkab loj ib leeg. Paub meej tias qhov tsawg kawg nkaus, qhov qub, thiab qhov siab tshaj plaws ntws. Ib lub 'meter' uas ua haujlwm zoo ntawm cov dej ntws ib txwm tsis tuaj yeem ntseeg tau yog tias qhov nrawm nrawm dhau, siab dhau, lossis tsis ruaj khov.
Rau cov ntawv thov uas ntsuas qhov zoo yog qhov tseem ceeb, npaj ua ntu zusflow meter calibrationlos yog kev pov thawj, tshwj xeeb tshaj yog thaum lub ntsuas hluav taws xob siv rau kev suav nyiaj, kev tswj cov txheej txheem, lossis kev ua raws li - txheeb xyuas.
4. Sib phim txoj kev teeb tsa
Clamp- ntawm meters yog qhov muaj txiaj ntsig zoo thaum tsis tuaj yeem txiav cov yeeb nkab, cov kua dej corrosive lossis muaj kev phom sij, yuav tsum zam kom tsis txhob poob siab, lossis yuav tsum tau kuaj ib ntus. Inline meters tej zaum yuav zoo dua thaum qhov ntsuas taw tes yog tsim los rau hauv cov txheej txheem tshiab thiab ntev - lub sij hawm ruaj khov yog qhov tseem ceeb.
Yog tias daim ntawv thov yog chav, cua compressed, lossis roj ntau dua li kua, lwm yam cuab yeej siv tau zoo dua. Piv txwv li, avortex flow meterfeem ntau suav hais tias yog chav dej, thaum athermal mass flow meterfeem ntau xav txog kev ntsuas roj ntws.
5. Txhais cov zis thiab kev sib koom ua ke
Lub teeb liab tso zis yuav tsum phim cov tswj lossis kev saib xyuas. Cov kev xav tau ib txwm muaj xws li:
- Local LCD zaub
- 4-20 mA tso zis
- Pulse tso zis
- RS485 lossis Modbus kev sib txuas lus
- Cov ntaub ntawv kaw lus
- Totalized ntws
- PLC, SCADA, lossis kev tswj xyuas hluav taws xob
Rau ntau tus neeg siv kev lag luam, kev sib txuas lus tawm tsis yog qhov nthuav dav thib ob. Nws txiav txim siab seb qhov ntsuas dej ntws puas tuaj yeem ua ke rau hauv cov kev tswj hwm uas twb muaj lawm.
Piv txwv daim ntawv thov
Kev faib dej huv huv
Rau cov dej huv hauv cov yeeb nkab tag nrho, kev thauj mus los - lub sij hawm ntsuas ultrasonic feem ntau yog qhov kev xaiv zoo. Nws muaj cov kev xaiv uas tsis yog -intrusive installation thiab zam qhov txav mus rau hauv txoj kev ntws. Qhov no yog ib qho laj thawj vim li cas cov neeg yuav khoom ntsuas clamp- ntawm lossis inline ultrasonic ntsuas rau cov dej thiab cov kab ke.
HVAC Chilled Dej los yog dej kub
Cov ntawv thov HVAC feem ntau suav nrog cov dej huv huv hauv cov voj voog kaw. Kev thauj mus los- lub sijhawm siv tshuab feem ntau tsim nyog, tshwj xeeb tshaj yog thaum ua ke nrog kev ntsuas kub rau kev saib xyuas lub zog. Hauv cov ntawv thov no, cov ntaub ntawv yeeb nkab, kev hloov pauv hloov pauv, thiab ntsuas qhov ntsuas kub yuav tsum tau kuaj xyuas kom zoo.
Cov dej khib nyiab thiab Sludge
Cov dej khib nyiab tuaj yeem muaj cov khib nyiab pov tseg, npuas, cov organic teeb meem, thiab hloov cov dej ntws. Doppler tuaj yeem tsim nyog thaum cov kua dej muaj qhov cuam tshuam txaus, tab sis daim ntawv thov tseem yuav tsum tau ua tib zoo tshuaj xyuas vim tias cov khib nyiab concentration thiab aeration tuaj yeem hloov pauv raws sijhawm.
Tshuaj kua
Kev siv tshuaj lom neeg nyob ntawm cov kua cov khoom siv acoustic, kev huv, kev sib raug zoo, kub, thiab cov khoom siv yeeb nkab. Cov kua dej huv huv tuaj yeem ua tau raws li kev thauj mus los -lub sijhawm thev naus laus zis. Cov dej qias neeg lossis aerated chemical kwj yuav xav tau kev kuaj Doppler lossis lwm lub tshuab ntsuas dej sib txawv.
Kev Tshawb Nrhiav Kev Ncua Sijhawm
Rau kev tshuaj xyuas, kev daws teeb meem, kev tshuaj xyuas twj tso kua mis, thiab kev ua haujlwm ua haujlwm, lub ntsuas hluav taws xob ultrasonic portable tuaj yeem pab tau vim tias nws tuaj yeem ntsia tau ntau yam tsis tau kaw cov kab. Tus neeg teb xov tooj tseem yuav tsum nkag mus rau cov ntaub ntawv yeeb nkab kom raug thiab txuas cov transducers kom raug.
Feem ntau yuam kev thaum xaiv Ultrasonic Flow Meters
Qhov yuam kev 1: Kho Clamp-Rau raws li Kev Ntsuas Cov Cai
Clamp-on yog ib qho kev teeb tsa, tsis yog lub hauv paus ntsiab lus ntsuas. Lub clamp- ntawm 'meter' tuaj yeem siv cov thev naus laus zis sib txawv nyob ntawm tus qauv tsim thiab daim ntawv thov. Ib txwm paub meej tias lub ntsuas ntsuas yog kev thauj mus los -lub sijhawm, Doppler, lossis lwm txoj kev ultrasonic.
Ua yuam kev 2: Xaiv Txoj Kev Mus Los -Lub Sijhawm rau Cov Dej qias neeg lossis cov kua aerated
Yog tias npuas lossis cov khoom khib nyiab cuam tshuam rau txoj hauv kev acoustic, kev thauj mus los - lub sijhawm nyeem ntawv yuav tsis ruaj khov. Rau cov dej khib nyiab, sludge, lossis slurry, Doppler tej zaum yuav yog qhov pib zoo dua, yog tias cov kua muaj cov reflectors txaus.
Qhov yuam kev 3: Xaiv Doppler rau Cov Kua Dej Zoo Heev
Doppler thev naus laus zis xav tau cov cim qhia. Cov dej huv heev, dej deionized, thiab cov roj huv yuav tsis muab cov khoom txaus lossis npuas rau kev ntsuas Doppler ruaj khov.
yuam kev 4: Tsis quav ntsej Transducer Alignment
Portable thiab clamp- ntawm meters yog rhiab rau mounting zoo. Oklahoma State University lub tsev kawm ntawvportable ultrasonic flow meter cov lus qhiaNco ntsoov tias transducer misalignment tuaj yeem txo qhov tau txais lub zog thiab ua rau kev nyeem ntawv tsis raug.
Qhov yuam kev 5: Tsis quav ntsej cov yeeb nkab ncaj thiab ntws profile
Lub luj tshib, li qub, twj tso kua mis, reducers, thiab ib nrab ntim cov seem tuaj yeem cuam tshuam qhov ntws profile. Qhov chaw ruaj khov ntawm qhov chaw pab lub ntsuas ntsuas tsim cov txiaj ntsig zoo dua. Yog hais tias qhov ntws profile raug cuam tshuam, lub ntsuas hluav taws xob tseem tuaj yeem tso saib nyeem ntawv, tab sis kev nyeem ntawv yuav tsis sawv cev qhov tseeb qhov nrawm nrawm.
Cov ntaub ntawv los npaj ua ntej nug txog nqe lus
Ua ntej thov kev pom zoo lossis nqe, npaj cov ntsiab lus hauv qab no. Qhov no pab tus neeg muag khoom xaiv cov cuab yeej siv tau zoo, qhov loj me ntawm qhov ntsuas, mounting txoj kev, thiab tso zis configuration.
- Lub npe kua thiab seb nws yog huv, qias neeg, aerated, corrosive, viscous, los yog abrasive
- Cov yeeb nkab sab nraud thiab phab ntsa thickness
- Cov khoom siv yeeb nkab thiab cov khoom siv liner
- Yam tsawg kawg nkaus, ib txwm, thiab siab kawg ntws tus nqi
- Kev khiav hauj lwm kub thiab siab
- Seb cov yeeb nkab ib txwm puv
- Muaj cov yeeb nkab ncaj ntev ua ntej thiab tom qab qhov chaw 'meter'
- Installation nyiam: clamp-on, inline, insertion, portable, or fixed
- Yuav tsum tau tso zis: zaub, 4-20 mA, mem tes, RS485, Modbus, cov ntaub ntawv logging, los yog totalizer
- Kev cia siab raug thiab seb cov ntaub ntawv calibration puas yuav tsum tau
Yog tias koj twb paub cov ntsiab lus ntawm daim ntawv thov, koj tuaj yeem xa lawv los ntawm lubflow meter nug daim ntawvyog li qhov kev xaiv tuaj yeem raug tshuaj xyuas los ntawm cov txheej txheem tiag tiag.
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, voltage poob, txoj kev ntev, cov khoom siv hluav taws xob, ambient kub, 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 txuas txuas tseem ceeb li cov 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 txheej txheem tsim raws li kev taw qhia engineering.
Xaus: Yam Ultrasonic Flow Meter Hom Koj Yuav Tsum Xaiv?
Xaiv ib qho kev thauj mus los- lub sij hawm ultrasonic flow meter thaum cov kua huv si, cov yeeb nkab puv, thiab txoj kev acoustic ruaj khov. Xaiv lub Doppler ultrasonic flow meter thaum cov kua muaj txaus tshem tawm cov khib nyiab lossis roj npuas kom muaj kev cuam tshuam cov teeb liab ultrasonic.
Rau kev xaiv txhim khu kev qha, tsis txhob nres ntawm lub npe thev naus laus zis. Paub meej cov kua dej, cov khoom siv yeeb nkab, phab ntsa thickness, liner, ntws ntau yam, kub, siab, installation txoj kev, tso zis teeb liab, thiab qhov yuav tsum tau muaj. Txoj cai ultrasonic flow meter yog ib qho uas phim rau qhov chaw tiag tiag, tsis yog lo lus tseem ceeb ntawm nplooj ntawv khoom.
