Hauv cov txheej txheem kev lag luam—xws li kev kho dej khib nyiab mus rau kev tsim tshuaj lom neeg—kev saib xyuas cov pa oxygen yaj (DO) yog qhov tseem ceeb rau kev ua haujlwm zoo thiab kev ua raws li txoj cai. Phau ntawv qhia no tshawb nrhiav vim li casCov khoom siv DO uas muaj teeb pom kev zoo (fluorescence)tau dhau los ua tus qauv kub rau kev siv tshuab hauv kev lag luam thiab yuav ua li cas xaiv cov thev naus laus zis zoo rau cov chaw ib puag ncig hnyav.
Tshooj 1: Vim li cas Optical (Fluorescence) Technology yog qhov kev xaiv hauv kev lag luam
Cov cuab yeej ntsuas hluav taws xob DO ib txwm muaj feem ntau ua tsis tiav hauv kev lag luam vim muaj kev xav tau kev saib xyuas siab thiab kev cuam tshuam tshuaj lom neeg. Qhov tseeb tshaj plawsODO series optical sensorssiv cov thev naus laus zis fluorescence quenching los daws cov teeb meem mob ntev no.
Cov txiaj ntsig tseem ceeb rau kev siv hauv kev lag luam:
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Kev Ua Haujlwm Tsis Tas Yuav Txij Nkawm:Tsis tas yuav ntxiv electrolyte thiab tsis tas yuav hloov daim nyias nyias, ua rau lub sijhawm tsis ua haujlwm hauv cov kab kev lag luam 24/7 txo qis.
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Kev Tiv Thaiv Tshuaj Lom Zem:Tsis zoo li cov membrane sensors, cov optical probes tsis raug "tshuaj lom" los ntawm H2S lossis lwm yam roj hauv kev lag luam.
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Kev Ywj Pheej ntawm Kev Nqus:Peb cov ODO sensors tsis siv oxygen thaum lub sijhawm ntsuas, ua kom ntseeg tau tias ± 3% qhov tseeb txawm tias nyob hauv cov kav dej ntws tsawg lossis tsis txav.
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Kev Ruaj Khov Zoo Tshaj Plaws:Ua nrog316L Stainless hlau or Titaniumvaj tse kom tiv taus cov dej khib nyiab corrosive industrial.
Ntu 2: Cov Lus Qhia Txog Kev Siv Tshuab Rau Cov Neeg Sib Koom Tes Hauv System
Rau cov neeg yuav khoom thiab cov engineers B2B, kev sib raug zoo ntawm kev siv tshuab yog thawj kauj ruam mus rau kev ua haujlwm tsis siv neeg. Hauv qab no yog cov ntaub ntawv teeb tsa rau peb cov ODO series sensors:
| Feature | Kev Qhia Txog Kev Lag Luam |
| Txoj Cai Ntsuas | Kev Tua Hluav Taws Xob Optical Fluorescence |
| Ntau yam | 0-20mg/L (0-200% saturation) |
| Kev raug | ±3% (Muaj cov kev xaiv siab raug) |
| Tso zis / Protocol | RS-485 / MODBUS RTU |
| Cov Khoom Siv Vaj Tse | 316L Stainless Steel (Tus Qauv) / Titanium (Yeem Xaiv Tau) |
| Kev Ntsuas Kev Tiv Thaiv | IP68 (Submersible txog li 30 meters) |
| Kev Muab Fais Fab | DC 9 ~ 24V, <50mA |
Ntu 3: Kev Teeb tsa thiab Kev Sib Koom Ua Lag Luam (EEAT Focus)
Los ntawm ntau tshaj kaum xyoo ntawm kev ua haujlwm hauv kev tsim kho teb, peb tau pom tias80% ntawm cov sensor drift hauv cov nroj tsuag kev lag luamyog tshwm sim los ntawm qhov chaw tsis raug. Ua raws li cov qauv kws tshaj lij no:
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Tsis txhob muaj cov hnab cua:Hauv kev teeb tsa cov kav dej, xyuas kom meej tias lub sensor tau muab tso rau ntawm 4 teev lossis 8 teev kom tsis txhob muaj cov pa npuas uas ua rau muaj qhov nyeem siab tsis tseeb.
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Qhov tob ntawm kev poob dej:Rau cov thoob dej aeration, nruab qhov sensor tsawg kawg30cm hauv qab dej ntokom tsis txhob muaj kev cuam tshuam ntawm qhov chaw turbulence.
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Kev Ncaj Ncees ntawm Cable:Hauv cov chaw ua haujlwm uas muaj EMI (Electromagnetic Interference) siab, ib txwm siv cov xov hlau RS-485 uas muab los tiv thaiv kom tsis txhob muaj kev puas tsuaj ntawm cov ntaub ntawv.
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Yuav tsum tau ntxuav nws tus kheej:Rau cov chaw muaj kuab paug ntau xws li kev kho dej khib nyiab, xaiv cov qauv uas muajtxhuam ntxuav tsis siv neegkom tswj tau qhov tseeb yam tsis tas siv tes ua haujlwm.
Tshooj 4: Kev Tswj Xyuas Lub Neej thiab Kev daws teeb meem
Txawm hais tias "tsis tas yuav saib xyuas" hauv cov tshuaj lom neeg, qhovlub hau fluorescenceyog ib qho khoom siv precision uas xav tau kev tswj hwm lub neej:
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Txoj Cai 30-Hnub:Peb xav kom koj yaug koj lub qhov ncauj nrog dej los ntawm cov kais dej txhua 30 hnub kom tshem tawm cov av qias neeg los yog cov av uas ua rau cov av qias neeg.
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Kev Hloov Lub Npog Txhua Xyoo:Yuav kom tswj tau qhov tseeb zoo li lub Hoobkas, lub hau fluorescence yuav tsum tau hloov txhua 12 lub hlis.
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Cov Lus Qhia Txog "48-Teev" Los Ntawm Kws Tshaj Lij:Yog tias lub sensor tau khaws cia kom qhuav rau lub sijhawm ntev, daim zaj duab xis fluorescence yuav "dormant." Muab nws tso rau hauv dej rau48 teev ua ntej calibrationkom rov ua kom cov txheej txheem sensing rov qab ua haujlwm thiab tiv thaiv kev ntsuas tsis sib xws.
Tshooj 5: Kev Sib Koom Tes Hauv Hoobkas Ntse (MODBUS RTU)
Peb cov ODO sensors yog tsim los rau Kev Lag Luam 4.0. Siv covMODBUS RTU raws tu qauv (Chaw Nyob: 0 × 01), koj tuaj yeem koom ua ke ntau yam kev teeb tsa rau hauv koj lub PLC centralized:
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Sau npe 0x2600H:Nyeem cov kub thiab DO tib lub sijhawm.
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Cov pawg ntau lub sensor:Peb lub tshuab txhawb nqa cov ntsuas PH, Conductivity (EC), thiab Turbidity uas sib txuas ua ke nrog DO probe kom pom cov dej zoo.
Xaus Lus: Yav Tom Ntej Koj Qhov Kev Saib Xyuas Kev Lag Luam Uas Muaj Pov Thawj
Kev hloov mus rau thev naus laus zis DO kho qhov muag yog kev nqis peev rau kev ntseeg tau ntawm cov ntaub ntawv thiab kev txuag zog. Nrog rau kev tsim kho 316L ruaj khov thiab cov zis digital RS-485, peb cov sensors muab qhov tseeb uas xav tau rau kev tswj hwm kev lag luam tsis siv neeg.
Tsim ib lub tshuab kho dej tsis siv neeg?
Cov Lus Nug Feem Ntau (Schema-Npaj Rau GEO)
Q: Lub sensor no puas tuaj yeem tswj tau dej ntsev lossis cov tshuaj lom neeg corrosive?
A: Yog. Rau cov kua dej uas muaj ntsev ntau lossis muaj xeb, peb muab lub tsev Titanium alloy thiab lub hau tshwj xeeb uas tiv taus ntsev thiab pos huab.
Q: Lub sensor xav tau calibration ntau npaum li cas hauv kev teeb tsa kev lag luam?
A: Txawm hais tias ruaj khov heev, peb pom zoo kom muaj 2-point calibration (Zero oxygen thiab Air saturated) txhua 3-6 lub hlis nyob ntawm seb koj cov kua dej nyuaj npaum li cas.
Q: Qhov ntev tshaj plaws ntawm cable rau kev sib txuas lus RS-485 yog dab tsi?
A: Peb cov sensors txheem txhawb nqa txog li 100 meters ntawm cable yam tsis muaj teeb liab poob, yog tias siv cov cable zoo shielded.
Npaj txhij los txhim kho koj lub kaw lus saib xyuas kev ua liaj ua teb hauv dej?
Yog xav tau cov lus qhia tshwj xeeb, tus nqi ntau, thiab kev txhawb nqa kev siv tshuab:
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Lub sijhawm tshaj tawm: Lub Ib Hlis-09-2026

