Sensor PH
Sabon ƙarni na PHTRSJ ƙasa pH firikwensin yana warware gazawar pH na ƙasa na al'ada wanda ke buƙatar kayan aikin nuni na ƙwararru, daidaitawa mai wahala, haɗakarwa mai wahala, babban amfani da wutar lantarki, farashi mai girma, da wahalar ɗauka.
●Sabuwar firikwensin pH na ƙasa, fahimtar sa ido kan kan layi na ainihin pH na ƙasa.
●Yana ɗaukar mafi girman ingantaccen dielectric da babban yanki na polytetrafluoroethylene ruwa junction, wanda ba shi da sauƙin toshewa kuma ba tare da kulawa ba.
●Babban haɗin kai, ƙananan ƙananan, ƙarancin wutar lantarki, sauƙin ɗauka.
●Gane ƙananan farashi, ƙarancin farashi da babban aiki.
●Babban haɗin kai, tsawon rai, dacewa da babban abin dogaro.
●Sauƙaƙe aiki.
●Taimakawa ci gaban sakandare.
●Wutar lantarki tana amfani da kebul mai ƙarancin amo mai inganci, wanda zai iya yin tsayin fitowar siginar har zuwa mita 20 ba tare da tsangwama ba.
Ana iya amfani da wannan samfurin sosai a fannonin ban ruwa na noma, aikin lambun furanni, wuraren kiwo na ciyayi, saurin gwajin ƙasa, noman shuka, gwajin kimiyya da sauransu.
| Ma'auni kewayon | 0-14 pH |
| Daidaito | ± 0.1 pH |
| Ƙaddamarwa | 0.01 pH |
| Lokacin amsawa | <10 seconds (a cikin ruwa) |
| Yanayin samar da wutar lantarki | DC 12V |
| Saukewa: DC24V | |
| Sauran | |
| Sigar fitarwa | Ƙarfin wutar lantarki: 0 ~ 5V |
| A halin yanzu: 4 ~ 20mA | |
| Saukewa: RS232 | |
| Saukewa: RS485 | |
| Sauran | |
| Tsawon Layin Kayan aiki | Matsayi: 5 mita |
| Sauran | |
| Yanayin aiki | Zazzabi 0 ~ 80 ℃ |
| Danshi: 0 ~ 95% RH | |
| Amfanin wutar lantarki | 0.2W |
| Kayan gida | harsashi filastik mai hana ruwa |
| Girman mai watsawa | 98*66*49mm |
Nau'in wutar lantarki (0 ～ 5V fitarwa):
D = V/5 × 14
(D shine ƙimar pH da aka auna, 0.00pH≤D≤14.00pH, V shine ƙarfin fitarwa (V))
Nau'in na yanzu (fitarwa 4 ~ 20mA):
D = (I-4) / 16 × 14
(D shine ƙimar pH da aka auna, 0.00pH≤D≤14.00pH, Ni ne fitarwa na yanzu (mA))
(1) Idan an sanye shi da tashar yanayi wanda kamfaninmu ya samar, kai tsaye haɗa firikwensin zuwa madaidaicin ma'amala akan tashar yanayi ta amfani da layin firikwensin.
(2) Idan an siyi mai watsawa daban, layin kebul na mai watsawa shine:
| Launin layi | Osiginar fitarwa | ||
| Nau'in wutar lantarki | Nau'in yanzu | Sadarwa nau'in | |
| Ja | Ƙarfi+ | Ƙarfi+ | Ƙarfi+ |
| Baki (kore) | Ƙarfin wutar lantarki | Ƙarfin wutar lantarki | Ƙarfin wutar lantarki |
| Yellow | Siginar wutar lantarki | Sigina na yanzu | A+/TX |
| Blue |
|
| B-/RX |
1.Tsarin serial
Data bits 8 bits
Tsaya bit 1 ko 2
Duba Lambobin Babu
Baud rate 9600 Sadarwa tazara a kalla 1000ms
2.Tsarin sadarwa
[1] Rubuta adireshin na'ura
Aika: 00 10 Adireshin CRC (5 bytes)
Komawa: 00 10 CRC (4 bytes)
Lura: 1. Dole ne adreshin umarnin karantawa da rubutawa ya zama 00.
2. Adireshin shine 1 byte kuma kewayon shine 0-255.
Misali: Aika 00 10 01 BD C0
Yana dawowa 00 10 00 7C
[2] Karanta adireshin na'ura
Aika: 00 20 CRC (4 bytes)
Komawa: 00 20 Adress CRC (5 bytes)
Bayani: Adireshin shine 1 byte, kewayon shine 0-255
Misali: Aika 00 20 00 68
Yana dawowa 00 20 01 A9 C0
[3] Karanta bayanan ainihin-lokaci
Aika: Adireshin 03 00 00 00 01 XX XX
Note: kamar yadda aka nuna a kasa:
| Lambar | Ma'anar aiki | Lura |
| Adireshin | Lambar tashar (adireshi) |
|
| 03 | Flambar aiki |
|
| 0000 | Adireshin farko |
|
| 0001 | Karanta maki |
|
| XX XX | CRC Duba lamba, gaban ƙasa daga baya babba |
Komawa: Adireshin 03 02 XX XX XX XX
| Lambar | Ma'anar aiki | Lura |
| Adireshin | Lambar tashar (adireshi) |
|
| 03 | Flambar aiki |
|
| 02 | Karanta raka'a byte |
|
| XX XX | Data (high kafin, low bayan) | Hex |
| XX XX | Lambar CRCCheck |
Don ƙididdige lambar CRC:
1.Rijistar 16-bit da aka saita shine FFFF a hexadecimal (wato, duka 1 ne).Kira wannan rijistar rajistar CRC.
2.XOR bayanan 8-bit na farko tare da ƙananan ragi na 16-bit CRC rajista kuma sanya sakamakon a cikin rijistar CRC.
3. Matsa abinda ke cikin rijistar zuwa dama ta hanyar daya (zuwa ƙaramin bit), cika mafi girma da 0, kuma duba mafi ƙarancin bit.
4. Idan mafi ƙarancin mahimmanci shine 0: maimaita mataki na 3 (sake komawa), idan mafi ƙarancin mahimmanci shine 1: Rijistar CRC tana da XORed tare da nau'in A001 (1010 0000 0000 0001).
5. Maimaita matakai 3 da 4 har sau 8 zuwa dama, domin an sarrafa dukkan bayanan 8-bit.
6. Maimaita matakai 2 zuwa 5 don sarrafa bayanai 8-bit na gaba.
7. Rijistar CRC a ƙarshe da aka samu ita ce lambar CRC.
8. Lokacin da aka saka sakamakon CRC a cikin firam ɗin bayanai, ana musanya babba da ƙananan rago, kuma ƙananan bit shine farkon.
1.Lokacin da firikwensin ya bar masana'anta, an samar da binciken tare da murfin kariya na zahiri, kuma ginanniyar ruwa mai kariya yana kare binciken.Lokacin amfani, da fatan za a cire murfin kariyar, gyara tankin tacewa da firikwensin, sannan yi amfani da igiyar igiyar da aka makala don nannade matatar a cikin tankin tacewa.Don hana hulɗa kai tsaye tsakanin ƙasa da bincike da lalata binciken.A cikin ainihin amfani, da fatan za a tabbatar da cewa matattarar tacewa da tace suna da alaƙa da ƙarfi.Kar a cire matattara da tacewa.Saka binciken kai tsaye a cikin ƙasa don guje wa lalata binciken kuma ba zai iya gyarawa ba.
2. Saka sashin binciken a tsaye a cikin ƙasa.Zurfin binciken dole ne a kalla a rufe ta da tacewa.A karkashin yanayi na al'ada, pH a cikin iska yana tsakanin 6.2 da 7.8.
3.Bayan ka binne firikwensin, zuba wani adadin ruwa a kusa da ƙasa don auna, jira na 'yan mintoci kaɗan, kuma jira ruwan ya jiƙa a cikin binciken, sannan za ku iya karanta bayanan da ke kan kayan aiki.A karkashin yanayi na al'ada, ƙasa tana da tsaka tsaki kuma pH yana tsakanin Around 7, ainihin ƙimar pH na ƙasa a wurare daban-daban zai bambanta, ya kamata a ƙayyade bisa ga ainihin halin da ake ciki.
4.Mai amfani zai iya amfani da reagents na pH 3 da aka haɗe kuma ya saita bisa ga hanyar daidaitawa don bincika ko aikin samfurin al'ada ne.
1. A cikin bututun don tabbatar da daidaitaccen lantarki da aka auna ƙimar pH ya kamata a kauce masa yayin auna kumfa na iska wanda ya haifar da bayanan da ba daidai ba;
2. Da fatan za a duba ko marufi ba shi da kyau kuma duba ko samfurin samfurin ya yi daidai da zaɓin;
3. Kar a haɗa da wuta, sannan kunna wuta bayan duba wayoyi.
4. Kada a canza gaɓar abubuwa ko wayoyi waɗanda aka siyar da su lokacin da samfurin ya bar masana'anta.
5. Na'urar firikwensin daidaitaccen na'ura ne.Da fatan za a karɓe shi da kanku ko taɓa saman firikwensin tare da abubuwa masu kaifi ko masu lalata yayin amfani don guje wa lalata samfurin.
6.Da fatan za a kiyaye takaddun tabbatarwa da takaddun shaida, kuma mayar da shi tare da samfurin lokacin gyarawa.
1.Don fitowar analog, nunin yana nuna cewa ƙimar ita ce 0 ko ba ta da iyaka.Mai yiwuwa mai tarawa ya kasa samun bayanin daidai saboda matsalolin waya.Da fatan za a duba ko wayoyi daidai ne kuma tabbatacce, kuma ƙarfin wutar lantarki na al'ada ne;
2.Idan ba dalilai na sama ba, da fatan za a tuntuɓi masana'anta.
1.Ƙarshen shigarwar kayan aiki (ma'auni soket) dole ne a kiyaye bushe da tsabta don hana ƙura da tururin ruwa shiga.
2. A guji nutsar da na'urorin lantarki na dogon lokaci a cikin maganin furotin da maganin fluoride na acid, kuma a guji hulɗa da man silicone.
3.Bayan yin amfani da na'urar na dogon lokaci, idan gangar jikin ta ɗan rage kaɗan, za'a iya nutsar da ƙananan ƙarshen electrode a cikin maganin 4% HF (hydrofluoric acid) na 3 zuwa 5 seconds, sannan a wanke da ruwa mai tsabta sannan a nutsar da shi a ciki. 0.1mol/L hydrochloric acid Ratsa wutar lantarki.
4.Don yin ma'aunin daidai, dole ne a daidaita wutar lantarki akai-akai kuma a wanke da ruwa mai tsafta.
5. Ya kamata a sanya mai watsawa a cikin busasshiyar wuri ko akwatin sarrafawa don guje wa ɗigon mita ko kuskuren auna sakamakon faɗuwar ɗigon ruwa ko jika.
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