PH Sensor
Cov tiam tshiab PHTRSJ av pH sensor daws qhov tsis txaus ntawm cov av pH uas yuav tsum tau muaj cov cuab yeej ua haujlwm tshaj lij, kev ua haujlwm nyuaj, kev sib koom ua ke nyuaj, kev siv hluav taws xob siab, tus nqi siab, thiab nqa tau yooj yim.
●Tshiab av pH sensor, realizing online real-time saib xyuas ntawm av pH.
●Nws siv cov khoom siv hluav taws xob zoo tshaj plaws thiab thaj chaw loj ntawm polytetrafluoroethylene kua hlws ris, uas tsis yooj yim los thaiv thiab tsis muaj kev saib xyuas.
●Kev sib koom ua ke siab, me me, kev siv hluav taws xob tsawg, yooj yim nqa.
●Paub txog tus nqi qis, tus nqi qis thiab kev ua haujlwm siab.
●Kev sib koom ua ke siab, lub neej ntev, kev yooj yim thiab kev ntseeg siab.
●Kev ua haujlwm yooj yim.
●Txhawb kev loj hlob theem nrab.
●Cov hluav taws xob siv hluav taws xob zoo siv hluav taws xob tsis zoo, uas tuaj yeem ua rau lub teeb liab tso tawm ntev txog 20 meters yam tsis muaj kev cuam tshuam.
Cov khoom no tuaj yeem siv dav hauv kev ua liaj ua teb irrigation, paj vaj, nyom nyom, kev sim av sai, cog qoob loo, kev sim thiab lwm yam.
| Kev ntsuas ntau | 0-14 pH ua |
| Qhov tseeb | ± 0.1 pH |
| Kev daws teeb meem | 0.01 pH ua |
| Teb sijhawm | <10 vib nas this (hauv dej) |
| Fais fab mov hom | DC 12 V |
| DC 24 V | |
| Lwm yam | |
| Daim ntawv tso zis | Qhov hluav taws xob: 0 ~ 5V |
| Tam sim no: 4 ~ 20mA | |
| TSI RS232 | |
| RS485 ua | |
| Lwm yam | |
| Instrument Kab Length | Standard: 5 meters |
| Lwm yam | |
| Ua haujlwm ib puag ncig | Kub 0 ~ 80 ℃ |
| Humidity: 0 ~ 95% RH | |
| Kev siv fais fab | 0.2 wb |
| Cov khoom siv tsev | waterproof yas plhaub |
| Transmitter loj | 98 * 66 * 49mm |
Voltage hom (0 ~ 5V tso zis):
Luas = V / 5 × 14
(D yog qhov ntsuas pH tus nqi, 0.00pH≤D≤14.00pH, V yog qhov tso zis voltage (V))
Hom tam sim no (4 ~ 20mA tso zis):
D = (I-4) / 16 × 14
(D yog qhov ntsuas pH tus nqi, 0.00pH≤D≤14.00pH, Kuv yog cov zis tam sim no (mA))
(1) Yog tias nruab nrog lub chaw nres tsheb huab cua tsim los ntawm peb lub tuam txhab, txuas ncaj qha rau lub sensor mus rau qhov sib txuas ntawm qhov chaw nres tsheb huab cua uas siv cov kab sensor.
(2) Yog hais tias lub transmitter yog muas nyias, cov kab sib txuas ntawm transmitter yog:
| Kab xim | Output teeb liab | ||
| Hom hluav taws xob | Hom tam sim no | Kev sib txuas lus hom | |
| Liab | Hwj chim+ | Hwj chim+ | Hwj chim+ |
| Dub (ntsuab) | Lub zog hauv av | Lub zog hauv av | Lub zog hauv av |
| Daj | Voltage teeb liab | Tam sim no lub teeb liab | A+/TX |
| Xiav |
|
| B-/RX |
1.Hom ntawv serial
Cov ntaub ntawv 8 ntsis
Nres me ntsis 1 lossis 2
Kos Tus lej Tsis muaj
Baud tus nqi 9600 Kev sib txuas lus luv luv yog tsawg kawg 1000ms
2.Kev sib txuas lus hom ntawv
[1] Sau qhov chaw nyob
Xa: 00 10 Chaw Nyob CRC (5 bytes)
Rov qab: 00 10 CRC (4 bytes)
Nco tseg: 1. Qhov chaw nyob me ntsis ntawm qhov nyeem thiab sau qhov chaw nyob yuav tsum yog 00.
2. Chaw nyob yog 1 byte thiab qhov ntau yog 0-255.
Piv txwv li: Xa 00 10 01 BD C0
Rov qab 00 10 00 7C
[2] Nyeem ntaus ntawv chaw nyob
Xa: 00 20 CRC (4 bytes)
Rov qab: 00 20 Adress CRC (5 bytes)
Kev piav qhia: Chaw nyob yog 1 byte, qhov ntau yog 0-255
Piv txwv li: Xa 00 20 00 68
Rov qab 00 20 01 A9 C0
[3] Nyeem cov ntaub ntawv hauv lub sijhawm
Xa: Chaw Nyob 03 00 00 00 01 XX XX
Nco tseg: raws li qhia hauv qab no:
| Code | Function txhais | Nco tseg |
| Chaw nyob | Chaw nres tsheb naj npawb (chaw nyob) |
|
| 03 | Fkev cai code |
|
| 0000 | Qhov chaw nyob pib |
|
| 0001 ib | Nyeem cov ntsiab lus |
|
| XX XX | CRC Kos code, pem hauv ntej qis tom qab siab |
Xa rov qab: Chaw nyob 03 02 XX XX XX XX
| Code | Function txhais | Nco tseg |
| Chaw nyob | Chaw nres tsheb naj npawb (chaw nyob) |
|
| 03 | Fkev cai code |
|
| 02 | Nyeem unit byte |
|
| XX XX | Cov ntaub ntawv (siab ua ntej, qis tom qab) | Hex |
| XX XX | CRCCheck code |
Txhawm rau xam CRC code:
1.Lub preset 16-ntsis sau npe yog FFFF hauv hexadecimal (uas yog, tag nrho yog 1). Hu rau qhov no rau npe CRC rau npe.
2.XOR thawj 8-ntsis cov ntaub ntawv nrog qis me ntsis ntawm 16-ntsis CRC sau npe thiab muab qhov tshwm sim hauv CRC rau npe.
3. Hloov cov ntsiab lus ntawm cov ntawv sau npe mus rau sab xis los ntawm ib qho me me (mus rau qhov qis me), sau qhov siab tshaj me ntsis nrog 0, thiab xyuas qhov qis tshaj.
4. Yog tias qhov tseem ceeb me ntsis yog 0: rov ua kauj ruam 3 (hloov dua), yog tias qhov tseem ceeb me ntsis yog 1: CRC sau npe yog XORed nrog polynomial A001 (1010 0000 0000 0001).
5. Rov ua cov kauj ruam 3 thiab 4 txog 8 zaug rau sab xis, kom tag nrho cov ntaub ntawv 8-ntsis tau ua tiav.
6. Rov ua cov kauj ruam 2 txog 5 rau kev ua cov ntaub ntawv 8-ntsis tom ntej.
7. CRC sau npe thaum kawg tau txais yog CRC code.
8. Thaum CRC cov txiaj ntsig tau muab tso rau hauv cov ntaub ntawv, cov khoom siab thiab qis yog sib pauv, thiab qhov qis me ntsis yog thawj zaug.
1.Thaum lub sensor tawm ntawm lub Hoobkas, qhov kev sojntsuam yog muab nrog lub pob tshab tiv thaiv npog, thiab cov kua nplaum built-in tiv thaiv kev sojntsuam. Thaum siv, thov tshem lub hau tiv thaiv, kho lub tank lim thiab lub sensor, thiab tom qab ntawd siv cov hlua khi txuas los qhwv lub lim hauv lub tank lim. Txhawm rau tiv thaiv kev sib cuag ncaj qha ntawm cov av thiab kev sojntsuam thiab kev sojntsuam puas. Hauv kev siv tiag tiag, thov xyuas kom meej tias cov lim lim thiab cov lim tau txuas ruaj khov. Tsis txhob tshem cov lim trough thiab lub lim. Ntxig qhov kev sojntsuam ncaj qha rau hauv av kom tsis txhob ua qhov kev sojntsuam puas tsuaj thiab tsis tuaj yeem kho.
2. Ntxig qhov kev sojntsuam vertically rau hauv av. Qhov tob ntawm qhov kev sojntsuam yuav tsum yog tsawg kawg yog npog los ntawm lub lim. Raws li ib txwm muaj, pH hauv huab cua nyob nruab nrab ntawm 6.2 thiab 7.8.
3.Tom qab faus lub sensor, ncuav ib tug npaum li cas ntawm cov dej nyob ib ncig ntawm cov av yuav tsum tau ntsuas, tos ob peb feeb, thiab tos kom cov dej ntws mus rau hauv lub sojntsuam, ces koj yuav nyeem tau cov ntaub ntawv ntawm lub ntsuas. Nyob rau hauv ib txwm muaj xwm txheej, cov av yog nruab nrab thiab pH nyob nruab nrab ntawm ib ncig ntawm 7, qhov tseeb pH tus nqi ntawm cov av nyob rau hauv ntau qhov chaw yuav txawv, nws yuav tsum tau txiav txim raws li qhov tseeb.
4.Tus neeg siv tuaj yeem siv qhov txuas 3 pH reagents thiab teeb tsa raws li txoj kev teeb tsa los xyuas seb cov khoom ua tau zoo li cas.
1. Nyob rau hauv lub raj xa dej kom paub tseeb tias qhov tseeb electrode ntsuas pH tus nqi yuav tsum tau zam thaum lub sij hawm ntsuas ntawm huab cua npuas tshwm sim los ntawm cov ntaub ntawv tsis raug;
2. Thov xyuas seb lub ntim puas zoo lawm thiab xyuas seb cov qauv khoom puas zoo ib yam nrog kev xaiv;
3. Tsis txhob txuas nrog lub hwj chim qhib, thiab tom qab ntawd rov pib dua tom qab kuaj xyuas cov xaim.
4. Tsis txhob arbitrarily hloov lub Cheebtsam los yog nyob ntawm tej uas tau soldered thaum cov khoom tawm hauv lub Hoobkas.
5. Lub sensor yog cov cuab yeej precision. Thov tsis txhob disassemble nws los ntawm koj tus kheej los yog kov lub ntsej muag ntawm lub sensor nrog cov khoom ntse lossis cov kua corrosive thaum siv kom tsis txhob ua rau cov khoom puas.
6.Thov khaws daim ntawv pov thawj thiab daim ntawv pov thawj ntawm kev ua raws, thiab xa rov qab nrog cov khoom thaum kho.
1.Rau cov zis analog, cov zaub qhia tias tus nqi yog 0 lossis tawm ntawm qhov ntau. Tus neeg sau yuav tsis tuaj yeem tau txais cov ntaub ntawv raug vim muaj teeb meem ntawm kev xaim. Thov xyuas seb cov xaim puas raug thiab ruaj khov, thiab lub zog hluav taws xob zoo li qub;
2.Yog tias nws tsis yog cov laj thawj saum toj no, thov hu rau cov chaw tsim khoom.
1.Qhov kawg ntawm cov khoom siv (ntsuas electrode socket) yuav tsum tau qhuav thiab huv si kom tsis txhob muaj plua plav thiab dej vapor nkag mus.
2. Zam kom tsis txhob cuam tshuam rau lub sijhawm ntev ntawm cov electrodes hauv cov kua protein thiab kua qaub fluoride, thiab tsis txhob sib cuag nrog cov roj silicone.
3.Tom qab siv lub tshuab hluav taws xob mus ntev, yog tias txoj kab nqes qis me ntsis, qhov qis kawg ntawm cov electrode tuaj yeem muab tso rau hauv 4% HF tov (hydrofluoric acid) rau 3 mus rau 5 vib nas this, tom qab ntawd ntxuav nrog dej distilled thiab muab tso rau hauv. 0.1mol / L hydrochloric acid Refresh cov electrode.
4.Txhawm rau ua kom qhov ntsuas tau zoo dua, cov electrode yuav tsum tau ntsuas ntau zaus thiab ntxuav nrog dej distilled.
5. Lub transmitter yuav tsum tau muab tso rau hauv qhov chaw qhuav los yog lub thawv tswj kom tsis txhob muaj qhov ntsuas dej los yog ntsuas qhov yuam kev los ntawm cov dej ntws los yog ntub dej.
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