PH Sensor
PHTRSJ nthaka pH sensor ya m'badwo watsopano imathetsa zofooka za nthaka pH yachikhalidwe yomwe imafuna zida zowonetsera akatswiri, kusinthasintha kotopetsa, kuphatikiza kovuta, kugwiritsa ntchito mphamvu zambiri, mtengo wapamwamba, ndi zovuta kunyamula.
●Sensa yatsopano ya pH ya nthaka, kuzindikira kuwunika kwapaintaneti munthawi yeniyeni pH ya nthaka.
●Imatengera makulidwe apamwamba kwambiri olimba a dielectric komanso malo akulu a polytetrafluoroethylene fluid, omwe siwosavuta kutsekereza komanso osakonza.
●Kuphatikizana kwakukulu, kukula kochepa, kugwiritsa ntchito mphamvu zochepa, zosavuta kunyamula.
●Dziwani mtengo wotsika, mtengo wotsika komanso magwiridwe antchito apamwamba.
●Kuphatikizana kwakukulu, moyo wautali, zosavuta komanso kudalirika kwakukulu.
●Ntchito yosavuta.
●Thandizani chitukuko chachiwiri.
●Electrode imagwiritsa ntchito chingwe chapamwamba chaphokoso chotsika, chomwe chingapangitse kuti chizindikirocho chikhale kutalika kwa mita 20 popanda kusokoneza.
Izi zitha kugwiritsidwa ntchito kwambiri m'minda ya ulimi wothirira, kulima maluwa, msipu wa udzu, kuyezetsa nthaka mwachangu, kulima mbewu, kuyesa kwasayansi ndi zina zotero.
| Muyezo osiyanasiyana | 0-14pH |
| Kulondola | ± 0.1pH |
| Kusamvana | 0.01pH |
| Nthawi yoyankhira | <10 masekondi (mmadzi) |
| Njira yoperekera mphamvu | DC 12 V |
| DC 24 V | |
| Zina | |
| Fomu yotulutsa | Mphamvu yamagetsi: 0 ~ 5V |
| Pakalipano: 4 ~ 20mA | |
| Mtengo wa RS232 | |
| Mtengo wa RS485 | |
| Zina | |
| Kutalika kwa Mzere wa Chida | Standard: 5 mamita |
| Zina | |
| Malo ogwirira ntchito | Kutentha 0 ~ 80 ℃ |
| Chinyezi: 0 ~ 95% RH | |
| Kugwiritsa ntchito mphamvu | 0.2W |
| Zida zapanyumba | chipolopolo cha pulasitiki chopanda madzi |
| Kukula kwa transmitter | 98 * 66 * 49 mm |
Mtundu wamagetsi (0 ~ 5V kutulutsa):
D = V / 5 × 14
(D ndi pH yoyezedwa, 0.00pH≤D≤14.00pH, V ndi mphamvu yotulutsa (V))
Mtundu wapano (4 ～ 20mA zotuluka):
D = (I-4) / 16 × 14
(D ndi pH yoyezedwa, 0.00pH≤D≤14.00pH, ine ndi zomwe zimachokera panopa (mA))
(1) Ngati muli ndi malo opangira nyengo opangidwa ndi kampani yathu, gwirizanitsani kachipangizo kameneka ndi mawonekedwe ogwirizana pa siteshoni ya nyengo pogwiritsa ntchito chingwe cha sensor.
(2) Ngati transmitter igulidwa padera, chingwe chotsatsira ndi:
| Mtundu wa mzere | Okutulutsa chizindikiro | ||
| Mtundu wa Voltage | Mtundu wapano | Kulankhulana mtundu | |
| Chofiira | Mphamvu+ | Mphamvu+ | Mphamvu+ |
| Wakuda (wobiriwira) | Malo opangira magetsi | Malo opangira magetsi | Malo opangira magetsi |
| Yellow | Chizindikiro chamagetsi | Chizindikiro chapano | A+/TX |
| Buluu |
|
| B-/RX |
1.Mtundu wa serial
Data bits 8 bits
Imani pang'ono 1 kapena 2
Chongani Digit Palibe
Baud mlingo 9600 Kuyankhulana kwapakati ndi osachepera 1000ms
2.Kuyankhulana kwamtundu
[1] Lembani adilesi ya chipangizo
Tumizani: 00 10 Adilesi CRC (5 mabayiti)
Kubwerera: 00 10 CRC (4 mabayiti)
Zindikirani: 1. Gawo la adilesi ya lamulo lowerengera ndi kulemba liyenera kukhala 00.
2. Adiresi ndi 1 byte ndipo mtundu wake ndi 0-255.
Chitsanzo: Tumizani 00 10 01 BD C0
Kubwerera 00 10 00 7C
[2] Werengani adilesi ya chipangizocho
Tumizani: 00 20 CRC (4 mabayiti)
Kubwerera: 00 20 Adress CRC (5 byte)
Kufotokozera: Adilesi ndi 1 byte, mtundu wake ndi 0-255
Mwachitsanzo: Tumizani 00 20 00 68
Kubwerera 00 20 01 A9 C0
[3] Werengani zambiri zenizeni
Tumizani: Adilesi 03 00 00 00 01 XX XX
Zindikirani: monga momwe zilili pansipa:
| Kodi | Tanthauzo la ntchito | Zindikirani |
| Adilesi | Nambala ya station (adilesi) |
|
| 03 | Function kodi |
|
| 00 00 | Adilesi yoyamba |
|
| 00 01 ku | Werengani mfundo |
|
| XX XX | Mtengo CRC Chongani kachidindo, kutsogolo kutsika pambuyo pake |
Kubwerera: Adilesi 03 02 XX XX XX XX
| Kodi | Tanthauzo la ntchito | Zindikirani |
| Adilesi | Nambala ya station (adilesi) |
|
| 03 | Function kodi |
|
| 02 | Werengani unit byte |
|
| XX XX | Zambiri (zambiri zisanachitike, zotsika pambuyo pake) | Hex |
| XX XX | CRCheck kodi |
Kuti muwerengere nambala ya CRC:
1.Kaundula wa 16-bit wokonzedweratu ndi FFFF mu hexadecimal (ndiko kuti, onse ndi 1).Imbani kaundulayu kuti kaundula wa CRC.
2.XOR deta yoyamba ya 8-bit yokhala ndi cholembera cha 16-bit CRC ndikuyika zotsatira mu kaundula wa CRC.
3. Sinthani zomwe zili m'kaundula kumanja ndi pang'ono pang'ono (kumunsi pang'ono), lembani kachidutswa kakang'ono kwambiri ndi 0, ndipo onani chotsikitsitsa.
4. Ngati chocheperako ndi 0: bwerezani gawo 3 (sinthaninso), ngati chocheperako ndi 1: kaundula wa CRC ndi XORed ndi polynomial A001 (1010 0000 0000 0001).
5. Bwerezani masitepe 3 ndi 4 mpaka 8 kumanja, kuti deta yonse ya 8-bit yasinthidwa.
6. Bwerezani masitepe 2 mpaka 5 kuti mukonzenso 8-bit data.
7. Regista ya CRC yomwe idapezedwa ndi CRC code.
8. Zotsatira za CRC zikayikidwa muzithunzi zachidziwitso, ma bits apamwamba ndi otsika amasinthidwa, ndipo otsika amakhala oyamba.
1.Sensa ikachoka pafakitale, kafukufukuyo amaperekedwa ndi chivundikiro chodzitchinjiriza chowonekera, ndipo madzi otetezedwa omangidwa amateteza kafukufukuyo.Mukamagwiritsa ntchito, chonde chotsani chivundikiro choteteza, konzani tanki yosefera ndi sensa, ndiyeno gwiritsani ntchito chingwe chomata kuti mukulungire fyuluta mu tanki yosefera.Kupewa kukhudzana mwachindunji pakati pa nthaka ndi kafukufuku ndi kuwononga kafukufuku.Mukamagwiritsa ntchito, chonde onetsetsani kuti zosefera ndi zosefera zilumikizidwa mwamphamvu.Osachotsa zosefera ndi zosefera.Lowetsani kafukufukuyo m'nthaka kupeŵa kuwononga probe ndi kusakonza.
2. Ikani gawo la probe molunjika m'nthaka.Kuzama kwa probe kuyenera kutsekedwa ndi fyuluta.Nthawi zonse, pH mumlengalenga imakhala pakati pa 6.2 ndi 7.8.
3.Pambuyo pokwirira sensa, tsitsani madzi pang'ono kuzungulira nthaka kuti muyesedwe, dikirani kwa mphindi zingapo, ndikudikirira kuti madzi alowe mu kafukufuku, ndiye kuti mukhoza kuwerenga deta pa chida.Nthawi zonse, dothi sililowerera ndale ndipo pH ili pakati pa Around 7, pH yeniyeni ya nthaka m'malo osiyanasiyana idzakhala yosiyana, iyenera kutsimikiziridwa malinga ndi momwe zilili.
4.Wogwiritsa ntchito amatha kugwiritsa ntchito ma reagents a 3 pH ndikusintha molingana ndi njira yosinthira kuti awone ngati ntchitoyo ndi yabwinobwino.
1. Mu payipi pofuna kuonetsetsa olondola elekitirodi kuyeza pH mtengo ayenera kupewa pa kuyeza mpweya thovu chifukwa cha deta yolondola;
2. Chonde yang'anani ngati zoyikazo sizili bwino ndikuwona ngati mtundu wa malondawo ukugwirizana ndi zomwe zasankhidwa;
3. Osalumikizana ndi magetsi, ndiyeno yatsani mukayang'ana mawaya.
4. Osasintha mosasamala zinthu kapena mawaya omwe adagulitsidwa pamene katunduyo achoka kufakitale.
5. Sensa ndi chipangizo cholondola.Chonde musamasule nokha kapena kukhudza pamwamba pa sensa ndi zinthu zakuthwa kapena zamadzimadzi zowononga mukamagwiritsa ntchito kuti musawononge chinthucho.
6.Chonde sungani satifiketi yotsimikizira ndi satifiketi yogwirizana, ndipo mubwezereni ndi katunduyo pokonza.
1.Pazotulutsa zaanalogi, chiwonetserochi chikuwonetsa kuti mtengo wake ndi 0 kapena wachoka.Wosonkhanitsa sangathe kupeza zambiri molondola chifukwa cha vuto la waya.Chonde onani ngati mawayawo ndi olondola komanso olimba, ndipo mphamvu yamagetsi ndiyabwinobwino;
2.Ngati sizili zifukwa zomwe zili pamwambazi, chonde lemberani wopanga.
1.Mapeto a chipangizocho (choyezera socket ya electrode) ayenera kukhala owuma komanso aukhondo kuti fumbi ndi nthunzi wa madzi zisalowe.
2. Pewani kumizidwa kwa nthawi yayitali kwa maelekitirodi mu njira ya protein ndi asidi fluoride, ndipo pewani kukhudzana ndi mafuta a silikoni.
3.Pambuyo pakugwiritsa ntchito electrode kwa nthawi yayitali, ngati malo otsetsereka achepetsedwa pang'ono, kumapeto kwa electrode kumatha kumizidwa mu 4% HF solution (hydrofluoric acid) kwa masekondi 3 mpaka 5, kenako kutsukidwa ndi madzi osungunuka ndikumizidwa. 0.1mol / L hydrochloric acid Bwezerani ma elekitirodi.
4.Kuti muyeso ukhale wolondola, electrode iyenera kuyesedwa pafupipafupi ndikutsukidwa ndi madzi osungunuka.
5. Transmitter iyenera kuyikidwa pamalo owuma kapena bokosi lowongolera kuti asatayike kapena vuto la muyeso lomwe limayambitsidwa ndi madontho amadzi akuthwanima kapena kunyowa.
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