PH Sensor
Jiilka cusub ee PHTRSJ ciidda pH dareeraha wuxuu xalliyaa cilladaha pH-ga ciidda dhaqameed ee u baahan qalab bandhig xirfadeed, cabbirid daal badan, is-dhexgal adag, isticmaalka koronto sare, qiimo sare, iyo adagtahay in la qaado.
●Dareemka ciidda cusub ee pH, ogaanaya la socodka wakhtiga dhabta ah ee internetka ee pH ciidda.
●Waxay qabataa isgoysyada dareeraha ee polytetrafluoroethylene ugu horumarsan ee adag iyo aagga weyn, taas oo aan fududayn in la xannibo oo aan dayactir lahayn.
●Isdhexgalka sare, cabbir yar, isticmaalka tamarta yar, fududahay in la qaado.
●Xaqiiji qiimaha jaban, qiimaha jaban iyo waxqabadka sare.
●Isdhexgalka sare, nolol dheer, ku habboonaanta iyo kalsoonida sare.
●Hawlgal fudud.
●Taageer horumarka dugsiga sare.
●Electrode-ku waxa uu isticmaalaa xadhig hoose oo tayo sare leh, kaas oo ka dhigi kara dhererka wax soo saarka calaamada ilaa 20 mitir iyada oo aan la faragelin.
Badeecadan ayaa si weyn loogu isticmaali karaa beeraha waraabka beeraha, beerista ubaxa, daaqa daaqsinta, tijaabinta ciidda degdega ah, beerashada dhirta, tijaabooyinka sayniska iyo wixii la mid ah.
| Qiyaasta kala duwan | 0-14pH |
| Saxnaanta | ± 0.1pH |
| Qaraarka | 0.01pH |
| Waqtiga jawaabta | <10 ilbiriqsi (biyaha dhexdiisa) |
| Habka sahayda korontada | DC 12V |
| DC 24V | |
| Mid kale | |
| Qaabka wax soo saarka | Voltage: 0～5V |
| Hadda: 4 ~ 20mA | |
| RS232 | |
| RS485 | |
| Mid kale | |
| Dhererka khadka Qalabka | Heerka: 5 mitir |
| Mid kale | |
| Deegaanka shaqada | Heerkulka 0 ~ 80 ℃ |
| Qoyaanka: 0 ~ 95% RH | |
| Isticmaalka tamarta | 0.2W |
| Qalabka guryaha | qolof caag ah oo aan biyuhu lahayn |
| Cabbirka gudbiyaha | 98 * 66 * 49mm |
Nooca korantada (0 ～ 5V):
D = V / 5 × 14
(D waa qiimaha pH ee la qiyaasay, 0.00pH≤D≤14.00pH, V waa danabka wax soo saarka (V))
Nooca hadda (4 ~ 20mA wax soo saarka):
D = (I-4) / 16 × 14
(D waa qiimaha pH ee la qiyaasay, 0.00pH≤D≤14.00pH, waxaan ahay wax soo saarka hadda (mA))
(1) Haddii lagu qalabeeyo xarun cimilo oo ay soo saartay shirkadeena, si toos ah ugu xidh dareemayaasha isdhexgalka u dhigma ee xarunta cimilada adoo isticmaalaya xariiqda dareemayaasha.
(2) Haddii gudbiyaha si gaar ah loo iibsado, isku xigxiga fiilada gudbiyaha waa:
| Midabka khadka | Osignalka soo baxay | ||
| Nooca korantada | Nooca hadda | Isgaarsiinta nooca | |
| Casaan | Awood+ | Awood+ | Awood+ |
| Madow (cagaar) | Dhulka awoodda | Dhulka awoodda | Dhulka awoodda |
| Jaalle | Digniinta korantada | Digniinta hadda | A+/TX |
| Buluug |
|
| B-/RX |
1.Qaabka taxanaha ah
Data bits 8 bits
Jooji xoogaa 1 ama 2 ah
Hubi Lambarka Midna
Baud heerka 9600 isgaarsiineed waa ugu yaraan 1000ms
2.Habka isgaarsiinta
[1] Qor ciwaanka qalabka
Dir: 00 10 Adress CRC (5 bytes)
Soo noqda: 00 10 CRC (4 bytes)
Fiiro gaar ah: 1. Ciwaanka wax-akhriska iyo qoraalka waa in uu ahaado 00.
2. Ciwaanka waa 1 byte, cabbirkuna waa 0-255.
Tusaale: Dir 00 10 01 BD C0
Soo noqda 00 10 00 7C
[2] Akhri ciwaanka qalabka
Dir: 00 20 CRC (4 bytes)
Soo noqda: 00 20 Adress CRC (5 bytes)
Sharaxaad: Ciwaanka waa 1 byte, cabirku waa 0-255
Tusaale ahaan: Dir 00 20 00 68
Soo noqda 00 20 01 A9 C0
[3] Akhri xogta wakhtiga dhabta ah
Dir: Ciwaanka 03 00 00 00 01 XX XX
Fiiro gaar ah: sida hoos ka muuqata:
| Koodhka | Qeexida shaqada | Ogow |
| Cinwaanka | Lambarka goobta (cinwaanka) |
|
| 03 | Fcode ururka |
|
| 00 00 | Cinwaanka hore |
|
| 0001 | Qodobbada akhri |
|
| XX XX | CRC Hubi koodka, hore hoos ugu hooseeya hadhow sare |
Soo celinta: Ciwaanka 03 02 XX XX XX XX
| Koodhka | Qeexida shaqada | Ogow |
| Cinwaanka | Lambarka goobta (cinwaanka) |
|
| 03 | Fcode ururka |
|
| 02 | Akhri cutubka byte |
|
| XX XX | Xogta (sare ka hor, hoose ka dib) | Hex |
| XX XX | CRCCheck code |
Si loo xisaabiyo summada CRC:
1.Diiwaanka hore ee 16-bit waa FFFF ee hexadecimal (yacni, dhamaantood waa 1).Wac diwaankan diiwaanka CRC
2.XOR xogta 8-bit ee ugu horreysa oo leh waxoogaa yar oo ka hooseeya 16-bit CRC diiwaanka oo geli natiijada diiwaanka CRC.
3. U rog waxa ku jira diiwaanka midig hal xoogaa (dhanka hoose), ku buuxi inta ugu sareysa 0, oo hubi inta ugu hooseysa.
4. Haddii inta ugu yar ee muhiimka ahi ay tahay 0: ku celi tillaabada 3 (isbeddel mar kale), haddii inta ugu yar ee muhiimka ahi ay tahay 1: Diiwaanka CRC waxa lagu XOR oo wata A001 badan (1010 0000 0000 0001).
5. Ku celi tillaabooyinka 3 iyo 4 ilaa 8 jeer dhanka midig, si xogta 8-bit oo dhan la habeeyo.
6. Ku celi tillaabooyinka 2 ilaa 5 habaynta xogta 8-bit ee xigta.
7. Diiwaanka CRC ee ugu dambeyntii la helay waa lambarka CRC.
8. Marka natiijada CRC la geliyo qaab-dhismeedka macluumaadka, waxaa la isweydaarsadaa xoogaa sare iyo mid hooseeya, kan hoosena waa marka hore.
1.Marka dareemaha uu ka baxo warshadda, barista waxaa la siiyaa dabool difaac oo hufan, dareeraha difaaca ee ku dhex jirana wuxuu ilaaliyaa baaritaanka.Markaad isticmaalayso, fadlan ka saar daboolka difaaca, hagaaji taangiga shaandhada iyo dareeraha, ka dibna isticmaal xadhigga fiilada ee ku lifaaqan si aad ugu duubto filtarka taangiga shaandhada.Si looga hortago xidhiidhka tooska ah ee u dhexeeya ciidda iyo baaritaanka oo uu dhaawaco baaraha.Isticmaalka dhabta ah, fadlan hubi in weelka shaandhada iyo shaandhada si adag isugu xidhan yihiin.Ha ka saarin barkadda shaandhada iyo shaandhada.Baaritaanka si toos ah u geli carrada si aad uga fogaato in baaritaanka uu dhaawaco oo aan la hagaajin karin.
2. Geli qaybta baaritaanka si toos ah ciidda.Qoto dheer ee baaritaanka waa in ugu yaraan lagu daboolaa shaandhada.Xaaladaha caadiga ah, pH ee hawadu waa inta u dhaxaysa 6.2 iyo 7.8.
3.Ka dib markaad aasto dareemayaasha, ku shub qadar biyo ah oo ku wareegsan ciidda si loo cabbiro, sug dhowr daqiiqo, oo sug biyaha si ay u qooyaan baaritaanka, ka dibna waxaad akhrin kartaa xogta qalabka.Xaaladaha caadiga ah, carradu waa dhexdhexaad, pH-na waxay u dhaxaysaa Qiyaastii 7, qiimaha pH ee dhabta ah ee ciidda meelo kala duwan way ka duwanaan doontaa, waa in lagu go'aamiyaa sida ay tahay xaaladda dhabta ah.
4.Isticmaaluhu wuxuu isticmaali karaa 3 pH reagents oo ku dhejisan habka qaabeynta si loo hubiyo in waxqabadka alaabtu uu yahay mid caadi ah.
1. In dhuumaha si loo hubiyo in electrode saxda ah lagu qiyaasay qiimaha pH waa in laga fogaadaa inta lagu guda jiro cabbiraadda goobooyin hawo ay sababtay xogta aan sax ahayn;
2. Fadlan hubi in baakadu ay sax tahay oo hubi in qaabka alaabtu uu waafaqsan yahay xulashada;
3. Ha ku xidhin korantada, ka dibna shid ka dib markaad hubiso fiilooyinka.
4. Si sabab la'aan ah ha u beddelin qaybaha ama fiilooyinka la iibiyay marka alaabtu ka baxdo warshadda.
5. Dareemuhu waa qalab sax ah.Fadlan keligaa ha kala furfurin hana ku taaban dusha sare ee dareemaha walxo fiiqan ama dareerayaal daxalaysan inta lagu jiro isticmaalka si aad uga fogaato inay waxyeeleeyaan alaabta.
6.Fadlan hayso shahaadada xaqiijinta iyo shahaado waafaqsanaanta, oo ku soo celi alaabta marka la hagaajinayo.
1.Soo saarista analoogga, bandhiggu wuxuu muujinayaa in qiimihiisu yahay 0 ama uu ka baxsan yahay xadka.Waxaa laga yaabaa in ururiyuhu u awoodi waayo inuu si sax ah u helo macluumaadka dhibaatooyinka fiilooyinka.Fadlan hubi in xadhiggu sax yahay oo adag yahay, iyo in danabku uu caadi yahay;
2.Haddii aysan ahayn sababaha kor ku xusan, fadlan la xiriir soo saaraha.
1.Dhamaadka gelinta qalabka (cabbirka godka elektiroonigga) waa in lagu hayaa engegan oo nadiif ah si looga hortago in boodhka iyo uumiga biyuhu soo galaan.
2. Ka fogow dhex gelinta electrodes-ka muddada dheer ee xalka borotiinka iyo dareeraha aashitada fluoride, iskana ilaali xidhiidhka saliidda silikoon.
3.Ka dib isticmaalka muddada dheer ee korantada, haddii jiirada ay yara yara yaraato, dhammaadka hoose ee korantada waxaa lagu dhex milmi karaa 4% HF (hydrofluoric acid) 3 ilaa 5 ilbiriqsi, ka dibna lagu dhaqo biyo nadiif ah ka dibna la geliyo 0.1mol / L hydrochloric acid Dib u cusboonaysii korantada.
4.Si cabbirka looga dhigo mid sax ah, korantada waa in si joogto ah loo hagaajiyaa oo lagu dhaqaa biyo nadiif ah.
5. Gudbiyaha waa in lagu dhejiyaa meel qalalan ama sanduuqa kantaroolka si looga fogaado daadinta mitirka ama qaladka cabbiraadda ee ay sababto dhibcaha biyuhu ku firdhiyaan ama qoyan yihiin.
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