PH Sensor
Igisekuru gishya cya PHTRSJ ubutaka pH sensor ikemura ibitagenda neza kubutaka gakondo pH busaba ibikoresho byerekana ubuhanga, kalibrasi iruhije, guhuza bigoye, gukoresha ingufu nyinshi, igiciro kinini, kandi bigoye gutwara.
●Ubutaka bushya bwa pH sensor, kumenya kumurongo mugihe nyacyo cyo kugenzura ubutaka pH.
●Ifata imiyoboro igezweho ya dielectric hamwe nubuso bunini bwa polytetrafluoroethylene ihuza amazi, ntibyoroshye guhagarika no kubungabunga-ubusa.
●Kwishyira hamwe, ingano nto, gukoresha ingufu nke, byoroshye gutwara.
●Menya igiciro gito, igiciro gito nibikorwa byinshi.
●Kwishyira hamwe, kuramba, korohereza no kwizerwa cyane.
●Igikorwa cyoroshye.
●Shigikira iterambere ryisumbuye.
●Electrode ikoresha insinga yo mu rwego rwo hejuru ifite urusaku ruke, rushobora gutuma ibimenyetso bisohoka uburebure bugera kuri metero 20 nta nkomyi.
Iki gicuruzwa gishobora gukoreshwa cyane mubijyanye no kuhira imyaka, guhinga indabyo, urwuri rwatsi, gupima ubutaka bwihuse, guhinga ibihingwa, ubushakashatsi bwa siyansi nibindi.
| Urwego rwo gupima | 0-14pH |
| Ukuri | ± 0.1pH |
| Icyemezo | 0.01pH |
| Igihe cyo gusubiza | <Amasegonda 10 (mumazi) |
| Uburyo bwo gutanga amashanyarazi | DC 12V |
| DC 24V | |
| Ibindi | |
| Ifishi isohoka | Umuvuduko: 0 ～ 5V |
| Ibiriho: 4 ～ 20mA | |
| RS232 | |
| RS485 | |
| Ibindi | |
| Uburebure bwumurongo | Bisanzwe: metero 5 |
| Ibindi | |
| Ibidukikije | Ubushyuhe 0 ~ 80 ℃ |
| Ubushuhe: 0 ~ 95% RH | |
| Gukoresha ingufu | 0.2W |
| Ibikoresho byo guturamo | igikonoshwa kitagira amazi |
| Ingano ya transmitter | 98 * 66 * 49mm |
Ubwoko bwa voltage (0 ～ 5V ibisohoka):
D = V / 5 × 14
(D nigipimo cya pH cyapimwe, 0.00pH≤D≤14.00pH, V ni voltage isohoka (V))
Ubwoko bwa none (4 ～ 20mA ibisohoka):
D = (I-4) / 16 × 14
(D ni igipimo cya pH cyapimwe, 0.00pH≤D≤14.00pH, Ndi ibisohoka (mA))
.
(2) Niba insimburangingo yaguzwe ukwayo, umurongo wa kabili ukwirakwiza ni:
| Ibara ry'umurongo | Oibimenyetso byerekana | ||
| Ubwoko bwa voltage | Ubwoko bwa none | Itumanaho Ubwoko | |
| Umutuku | Imbaraga+ | Imbaraga+ | Imbaraga+ |
| Umukara (icyatsi) | Ubutaka | Ubutaka | Ubutaka |
| Umuhondo | Ikimenyetso cya voltage | Ikimenyetso kigezweho | A + / TX |
| Ubururu |
|
| B- / RX |
1.Imiterere y'uruhererekane
Amakuru bits 8 bits
Hagarika bit 1 cyangwa 2
Reba Umubare
Igipimo cya Baud 9600 Intera itumanaho byibuze 1000m
2.Imiterere y'itumanaho
[1] Andika aderesi yibikoresho
Kohereza: 00 10 Adresse CRC (5 bytes)
Garuka: 00 10 CRC (4 bytes)
Icyitonderwa: 1. Aderesi ya bito yo gusoma no kwandika adresse igomba kuba 00.
2. Adresse ni 1 byte naho intera ni 0-255.
Urugero: Kohereza 00 10 01 BD C0
Garuka 00 10 00 7C
[2] Soma aderesi yibikoresho
Kohereza: 00 20 CRC (4 bytes)
Garuka: 00 20 Adresse CRC (5 bytes)
Ibisobanuro: Adresse ni 1 byte, intera ni 0-255
Kurugero: Kohereza 00 20 00 68
Garuka 00 20 01 A9 C0
[3] Soma amakuru nyayo
Kohereza: Aderesi 03 00 00 00 01 XX XX
Icyitonderwa: nkuko bigaragara hano:
| Kode | Igisobanuro cyibikorwa | Icyitonderwa |
| Adresse | Numero ya sitasiyo (aderesi) |
|
| 03 | Fkode |
|
| 00 00 | Aderesi ya mbere |
|
| 00 01 | Soma ingingo |
|
| XX XX | CRC Reba kode, imbere hepfo nyuma hejuru |
Garuka: Adresse 03 02 XX XX XX XX
| Kode | Igisobanuro cyibikorwa | Icyitonderwa |
| Adresse | Numero ya sitasiyo (aderesi) |
|
| 03 | Fkode |
|
| 02 | Soma ibice byte |
|
| XX XX | Amakuru (hejuru mbere, hasi nyuma) | Hex |
| XX XX | Kode ya CRCC |
Kubara code ya CRC:
1.Kwiyandikisha mbere ya 16-bit ni FFFF muri hexadecimal (ni ukuvuga, bose ni 1).Hamagara iyi rejisitiri igitabo cya CRC.
2.XOR amakuru yambere 8-biti hamwe na bito yo hasi ya 16-biti ya CRC hanyuma ushire ibisubizo mubitabo bya CRC.
3. Hindura ibiri muri rejisitiri iburyo na bito imwe (werekeza kuri bito), wuzuze bito na 0, hanyuma urebe bito yo hasi.
4. Niba bito bito cyane ari 0: subiramo intambwe ya 3 (ongera uhindure), niba bito bito byingenzi ari 1: igitabo cya CRC ni XORed hamwe na polinomial A001 (1010 0000 0000 0001).
5. Subiramo intambwe 3 na 4 kugeza inshuro 8 iburyo, kugirango amakuru 8-bit yose yatunganijwe.
6. Subiramo intambwe ya 2 kugeza kuri 5 yo gutunganya amakuru 8-bitaha.
7. CRC kwiyandikisha amaherezo yabonetse ni code ya CRC.
8. Iyo CRC ibisubizo ishyizwe mumakuru yamakuru, hejuru na bito bito birahanahana, kandi bito ni mbere.
1.Iyo sensor ivuye mu ruganda, iperereza ihabwa igifuniko cyo gukingira kibonerana, kandi amazi yubatswe arinda iperereza.Mugihe ukoresha, nyamuneka ukureho igifuniko kirinda, ukosore ikigega cya filteri na sensor, hanyuma ukoreshe umugozi wometse kumugozi kugirango uzenguruke muyungurura.Kugirango wirinde guhura hagati yubutaka nubushakashatsi no kwangiza iperereza.Mugukoresha nyabyo, nyamuneka reba neza ko akayunguruzo hamwe nayunguruzo bihujwe neza.Ntukureho akayunguruzo hamwe nayunguruzo.Shyiramo iperereza mu butaka kugira ngo wirinde kwangiza no kudasubirwaho.
2. Shyiramo igice cya probe uhagaritse mubutaka.Ubujyakuzimu bwa probe bugomba kuba byibuze butwikiriwe nayunguruzo.Mubihe bisanzwe, pH mukirere iri hagati ya 6.2 na 7.8.
3.Nyuma yo gushyingura sensor, suka amazi runaka mubutaka kugirango bapimwe, utegereze iminota mike, hanyuma utegereze ko amazi yinjira muri probe, hanyuma urashobora gusoma amakuru kuriki gikoresho.Mubihe bisanzwe, ubutaka butabogamye kandi pH iri hagati ya 7, agaciro nyako pH yubutaka ahantu hatandukanye bizaba bitandukanye, bigomba kugenwa ukurikije uko ibintu bimeze.
4.Umukoresha arashobora gukoresha reagent ya 3 pH hanyuma akanagena ukurikije uburyo bwo kuboneza kugirango agenzure niba imikorere yibicuruzwa ari ibisanzwe.
1. Mu muyoboro hagamijwe kwemeza neza electrode yapimwe agaciro ka pH igomba kwirindwa mugihe cyo gupima ibyuka bihumeka biterwa namakuru atariyo;
2. Nyamuneka reba niba ibipfunyitse bitameze neza hanyuma urebe niba ibicuruzwa byerekana ibicuruzwa bihuye no guhitamo;
3. Ntugahuze nimbaraga kuri, hanyuma imbaraga kuri nyuma yo kugenzura insinga.
4. Ntugahindure uko bishakiye ibice cyangwa insinga byagurishijwe mugihe ibicuruzwa biva muruganda.
5. Rukuruzi ni igikoresho gisobanutse.Nyamuneka ntukayisenye wenyine cyangwa ngo ukore hejuru ya sensor hamwe nibintu bikarishye cyangwa amazi yangirika mugihe cyo gukoresha kugirango wirinde kwangiza ibicuruzwa.
6.Nyamuneka komeza icyemezo cyo kugenzura nicyemezo cyo guhuza, hanyuma usubize nibicuruzwa mugihe cyo gusana.
1.Kubisohoka bisa, kwerekana byerekana ko agaciro ari 0 cyangwa kari kure.Uwatoraguye ntashobora kubona amakuru neza kubera ibibazo byinsinga.Nyamuneka reba niba insinga ari nziza kandi ihamye, kandi ingufu z'amashanyarazi ni ibisanzwe;
2.Niba atariyo mpamvu zavuzwe haruguru, nyamuneka hamagara uwagikoze.
1.Iherezo ryibikoresho (gupima electrode sock) bigomba guhora byumye kandi bisukuye kugirango umukungugu numwuka wamazi utinjira.
2. Irinde kwibiza mu gihe kirekire cya electrode mu gisubizo cya poroteyine n'umuti wa fluoride aside, kandi wirinde guhura n'amavuta ya silicone.
3.Nyuma yo gukoresha igihe kirekire cya electrode, niba umuyonga wagabanutseho gato, impera yo hepfo ya electrode irashobora kwibizwa mumuti wa 4% HF (acide hydrofluoric) mumasegonda 3 kugeza kuri 5, hanyuma ukakaraba namazi yatoboye hanyuma ukayinjizamo 0.1mol / L aside hydrochloric Kuvugurura electrode.
4.Kugirango ibipimo birusheho kuba byiza, electrode igomba guhindurwa kenshi kandi igakaraba n'amazi yatoboye.
5. Ikwirakwiza rigomba gushyirwa ahantu humye cyangwa agasanduku kayobora kugirango wirinde kumeneka metero cyangwa ikosa ryo gupimwa riterwa nigitonyanga cyamazi kimeneka cyangwa gitose.
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