Tshooj 1 Khoom Specifications
| Specifications | Paub meej |
| Loj | Txoj kab uas hla 49.5mm * Ntev 251.1mm |
| Qhov hnyav | 1.4 KG |
| Cov khoom tseem ceeb | SUS316L + PVC (Ordinary Version), Titanium Alloy (Seawater Version) |
| O-ring: fluoro-rubber | |
| Cable: PVC | |
| Waterproof Rate | IP68 / NEMA6P |
| Kev ntsuas ntau | 0-20mg / L (0-20ppm) |
| Kub: 0-45 ℃ | |
| Indication Resolution | Kev daws teeb meem: ± 3% |
| Kub: ± 0.5 ℃ | |
| Cia Kub | -15 ~ 65 ℃ |
| Ib puag ncig kub | 0 ~ 45 ℃ |
| Siab Ntau | ≤0.3Mpa |
| Fais fab mov | 12 VDC |
| Calibration | Tsis siv neeg cua calibration, Sample calibration |
| Cable Ntev | Standard 10-Meter Cable, Max Length: 100 Meters |
| Lub Sijhawm Warranty | 1 Xyoo |
Sab nraud Dimension | |
Table 1 Dissolved Oxygen Sensor Technical Specifications
Tshooj 2 Cov Khoom Qhia
Lub yaj oxygen sensor ntsuas cov pa oxygen yaj los ntawm txoj kev fluorescence, thiab lub teeb xiav emitted yog irradiated ntawm phosphor txheej.Cov tshuaj fluorescent yog txhawb kom emit liab teeb, thiab cov pa oxygen concentration yog inversely proportional rau lub sij hawm thaum cov tshuaj fluorescent rov qab mus rau hauv av.Los ntawm kev siv cov qauv no los ntsuas cov pa oxygen yaj, nws yuav tsis tsim cov pa oxygen, yog li ua kom cov ntaub ntawv ruaj khov, txhim khu kev qha, tsis muaj kev cuam tshuam, thiab yooj yim installation thiab calibration.
Cov khoom siv dav siv hauv cov dej phwj tuaj, cov nroj tsuag dej, chaw nres tsheb dej, dej ntws, ua liaj ua teb, kev lag luam thiab lwm yam.Dissolved oxygen sensor tsos yog qhia raws li daim duab 1.
Daim duab 1 Dissolved Oxygen Sensor Appearance
| 1- Kev ntsuas npog | 2- Kub Sensor | 3- R1 |
| 4- Kev sib koom ua ke | 5- Lub kaus mom tiv thaiv |
|
Tshooj 3 Kev teeb tsa
3.1 Kev teeb tsa ntawm Sensors
Cov txheej txheem installation tshwj xeeb yog raws li hauv qab no:
a.Nruab lub 8 (mounting phaj) ntawm lub railing los ntawm lub pas dej ua ke nrog 1 (M8 U-puab clamp) ntawm lub sensor mounting txoj hauj lwm;
b.Txuas 9 (adapter) mus rau 2 (DN32) PVC yeeb nkab los ntawm cov kua nplaum, hla lub sensor cable los ntawm Pcv yeeb nkab kom txog thaum lub sensor screws rau hauv 9 (adapter), thiab ua cov dej tsis zoo;
c.Kho 2 (DN32 raj) mus rau 8 (mounting phaj) los ntawm 4 (DN42U-puab clamp).
Daim duab 2 Schematic daim duab ntawm kev teeb tsa ntawm Sensor
| 1-M8U-puab Clamp (DN60) | 2- DN32 Yeeb Nkab (sab nraud txoj kab uas hla 40mm) |
| 3- Hexagon Socket Screw M6 * 120 | 4-DN42U-puab yeeb nkab Clip |
| 5-M8 Gasket (8 * 16 * 1) | 6-M8 Gasket (8 * 24 * 2) |
| 7- M8 Caij nplooj ntoos hlav Shim | 8- Mounting Phaj |
| 9-Adaptor (Xov mus ncaj-dhau) | |
3.2 Kev sib txuas ntawm Sensor
Lub sensor yuav tsum raug txuas los ntawm cov ntsiab lus hauv qab no ntawm cov tub ntxhais hlau:
| Serial No. | 1 | 2 | 3 | 4 |
| Sensor Cable | Xim av | Dub | Xiav | Dawb |
| Teeb liab | + 12 VDC | AGND | RS485 A | RS485B |
Tshooj 4 Calibration ntawm Sensor
Lub tshuab nqus pa oxygen tau raug ntsuas ntawm lub Hoobkas, thiab yog tias koj xav tau calibrate koj tus kheej, ua raws li cov kauj ruam hauv qab no
Cov kauj ruam tshwj xeeb yog raws li nram no:
① Ob npaug nias rau "06", thiab ib lub thawv pops tawm ntawm sab xis.Hloov tus nqi rau 16 thiab nyem "Xa".
② Qhuav lub sensor thiab muab tso rau hauv huab cua, tom qab ntsuas cov ntaub ntawv ruaj khov, ob npaug nias rau "06", hloov tus nqi rau 19 thiab nyem "Xa".
Tshooj 5 Kev sib txuas lus raws tu qauv
Lub sensor yog nruab nrog MODBUS RS485 kev sib txuas lus muaj nuj nqi, thov mus saib hauv phau ntawv no tshooj 3.2 los xyuas cov kev sib txuas lus.Lub neej ntawd baud tus nqi yog 9600, cov lus MODBUS RTU tshwj xeeb tau qhia hauv cov lus hauv qab no.
| MODBUS-RTU | |
| Baud Rate | 4800/9600/19200/38400 |
| Cov ntaub ntawv | 8bit ib |
| Parity Check | no |
| Nres Ntsis | 1bit ib |
| Sau npe | Chaw nyobQhov chaw | Cov ntaub ntawvHom | Ntev | Nyeem/Sau | Kev piav qhia | |
| Dissolved Oxygen nqi | 0 | F (Float) | 2 | R (tsuas yog nyeem) | Dissolved Oxygen nqi | |
| Dissolved Oxygen Concentration | 2 | F | 2 | R | Dissolved Oxygen Concentration | |
| Kub | 4 | F | 2 | R | Kub | |
| nqes hav | 6 | F | 2 | W/R | Ntau yam:0.5-1.5 hli | nqes hav |
| Deviation tus nqi | 8 | F | 2 | W/R | Ntau yam:-20-20 | Deviation tus nqi |
| Salinity | 10 | F | 2 | W/R | Salinity | |
| Atmospheric siab | 12 | F | 2 | W/R | Atmospheric siab | |
| Baud Rate | 16 | F | 2 | R | Baud Rate | |
| Qhov Chaw Nyob | 18 | F | 2 | R | Loj: 1-254 | Qhov Chaw Nyob |
| Teb Sijhawm Nyeem Ntawv | 20 | F | 2 | R | Teb Sijhawm Nyeem Ntawv | |
| Modift Baud Rate | 16 | Kos npe | 1 | W | 0-4800 Nws1-9600 Nws2-19200 Nws 3-38400 Nws 4-576 00 Nws | |
| Hloov chaw nyob qhev | 17 | Kos npe | 1 | W | Loj: 1-254 | |
| Hloov lub sij hawm teb | 30 | Kos npe | 1 | W | 6-60s | Hloov lub sij hawm teb |
| Cua Calibration | Kauj ruam 1 | 27 | Kos npe | 1 | W | 16 |
| Kauj ruam 2 | 27 | Kos npe | 1 | W | 19 | |
| Nws yuav tsum raug muab tso tseg yog tias koj tsis xav calibrate tom qab ua tiav ntawm "Kauj ruam 1". | ||||||
| Tso tseg | 27 | Kos npe | 1 | W | 21 | |
| Function Code | r:03 ua Sau 06 raws li cov ntaub ntawv reshaping 06 Sau 16 raws li cov ntaub ntawv ntab ntab | |||||
Tshooj 6 Kev Kho
Txhawm rau kom tau txais qhov ntsuas ntsuas tau zoo tshaj plaws, nws yog ib qho tsim nyog yuav tsum tswj xyuas lub sensor tsis tu ncua.Kev saib xyuas feem ntau suav nrog kev tu, tshuaj xyuas qhov kev puas tsuaj ntawm lub sensor, thiab lub sijhawm ua haujlwm calibration.
6.1 Sensor Ntxuav
Nws raug nquahu tias lub sensor yuav tsum tau ntxuav ntawm qhov tsis tu ncua (feem ntau yog 3 lub hlis, nyob ntawm qhov chaw ib puag ncig) kom ntseeg tau qhov tseeb ntawm qhov ntsuas.
Siv dej los ntxuav qhov chaw sab nraud ntawm lub sensor.Yog tias tseem muaj cov khib nyiab, so nws nrog ib daim ntaub ntub dej.Tsis txhob tso lub sensor rau hauv lub hnub ncaj qha lossis ze ntawm hluav taws xob.Nyob rau hauv tag nrho lub neej ntawm lub sensor, yog hais tias tag nrho lub hnub raug lub sij hawm mus txog rau ib teev, nws yuav ua rau lub fluorescent cap aging thiab mus tsis ncaj ncees lawm, thiab thiaj li ua rau kev nyeem ntawv tsis raug.
6.2 Kev soj ntsuam ntawm Kev puas tsuaj ntawm Sensor
Raws li cov tsos ntawm sensor los xyuas seb puas muaj kev puas tsuaj;Yog tias pom muaj kev puas tsuaj, thov hu rau tom qab-muag kev pabcuam kev pabcuam hauv lub sijhawm rau kev hloov pauv kom tiv thaiv kev ua haujlwm tsis zoo ntawm lub sensor tshwm sim los ntawm dej los ntawm lub hau puas.
6.3 Preservation ntawm Sensor
A.Thaum koj tsis siv nws, thov npog cov khoom thawj lub kaus mom tiv thaiv kom tsis txhob raug tshav ntuj ncaj qha lossis raug.Txhawm rau tiv thaiv lub sensor los ntawm khov, DO sojntsuam yuav tsum tau muab cia rau hauv qhov chaw uas nws yuav tsis khov.
B. Khaws cov tshuaj ntsuam xyuas kom huv ua ntej khaws cia rau lub sijhawm ntev.Khaws cov khoom siv rau hauv lub thawv xa khoom lossis lub thawv yas nrog kev tiv thaiv hluav taws xob.Tsis txhob kov nws nrog tes lossis lwm yam khoom tawv thaum khawb lub hau fluorescent.
C.Nws yog txwv tsis pub lub kaus mom fluorescent raug tshav ntuj ncaj qha los yog raug.
6.4 Hloov Kev Ntsuas Cap
Lub sensor ntsuas lub hau yuav tsum tau hloov thaum nws puas lawm.Txhawm rau kom ntseeg tau qhov tseeb ntawm qhov ntsuas, nws raug nquahu kom hloov nws txhua xyoo lossis nws yuav tsum tau hloov thaum lub kaus mom pom muaj kev puas tsuaj loj heev thaum kuaj xyuas.
Tshooj 7 Kev Pabcuam Tomqab Muag
Yog tias koj muaj lus nug lossis xav tau kev pab kho, thov hu rau peb raws li hauv qab no.
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