Uma sinethangi lezinhlanzi noma yiluphi uhlobo I-Aquarium Kubalulekile ukwazi ukuthi izici zamakhemikhali amanzi futhi i izidingo ezithile kwezinhlobo esizivikelayo. Phakathi kwezinto eziguquguqukayo ezibaluleke kakhulu zokuqinisekisa indawo enempilo futhi ezinzile i amanzi pHAmanzi angaba namazinga ahlukahlukene e-acidity noma e-alkalinity kuye ngemvelaphi yawo, ukwakheka kwamaminerali, kanye nezinga lokushisa. Ukuze unqume ngokunembile izinga le-pH elifaneleka kakhulu lezinhlobo zethu futhi uyigcine ingaphakathi kwebanga elifanele, kukhona [okungacacile - okungenzeka "i-pH test kits"]. amamitha e-pH edijithali.
Kulesi sihloko sizokuchazela ngokuningiliziwe. Ayini amamitha we-pH edijithali?zisebenza kanjani, yiziphi izinhlobo ezikhona, yiziphi izici okufanele uzicabangele ngaphambi kokuzithenga, futhi sizokwenza a ukukhethwa kwamanye amamodeli angcono kakhulu ngezindawo zasemanzini, ama-hydroponics, ukulima, amachibi okubhukuda nokunye okuvamile.
Yini i-digital pH metres
Ukuze uqonde ngokujulile izici zamanzi, isixazululo sezakhi, noma ngisho nenhlabathi eswakeme, kubalulekile ukwazi yiliphi izinga le-acidity noma i-alkalinity Iyethula. Ipharamitha esiyisebenzisela lokhu yi- pHIndlela ephumelelayo, esheshayo, futhi enembile yokuyilinganisa ukusebenzisa amamitha e-pH edijithali, ebizwa nangokuthi amamitha we-pH.
Imitha yedijithali ye-pH iyi-a ithuluzi le-electronic potentiometric okuguqula isignali kagesi ekhiqizwe i-pH electrode ibe inani lenombolo elifundeka kalula esikrinini. Ngokungafani nemicu yokuhlola noma ukuhlolwa kwe-colorimetric, lawa madivayisi avumela ukufundwa kunembe kakhulu, enokulungiswa ngokuvamile kokukodwa noma okubili kweshumi kweyunithi ye-pH, nangaphezu kwebanga lokulinganisa elibanzi.
Isikali se-pH sisukela ku- 0 a 14Amanani angezansi 7 umbiko wemithombo yezindaba ama-asidi kanye namanani angenhla 7 ukumela izindlela isisekelo noma i-alkalineKucatshangelwa i-pH engu-7 hlangothiAmamitha amaningi edijithali okusetshenziswa kwasekhaya noma okuyingxenye yobungcweti amboza lonke uhla, kusukela 0.00 kuya ku-14.00 pHKodwa-ke, ekusebenzeni, ezindaweni ezihlala emanzini, emapulazini, nasemachibini, umsebenzi wenziwa ngezikhathi ezinemikhawulo eyengeziwe.
Ukusebenza kwangaphakathi kwe-digital pH meter kusekelwe ku- ingilazi electrode ekhethekile kanye ne-electrode eyireferensi. Bebonke bakhiqiza i-voltage encane ngokulingana ne- umsebenzi we-hydrogen ion (H+). yesisombululo. Idivayisi ihumusha leso siginali bese isiguqula sibe yinombolo esiyibona esikrinini. Amamodeli amaningi esimanje nawo afaka inzwa yokushisa ukusebenzisa isinxephezelo esizenzakalelayo, njengoba i-pH ihluka kancane namadigri Celsius.
Ngenxa yalokhu ukunemba kanye nesivininiAmamitha we-pH edijithali asedumile emikhakheni eminingi: amanzi ahlanzekile nasolwandle, ama-hydroponics, ezolimo, ukwenziwa kwewayini noshizi, amachibi okubhukuda, amalabhorethri, amanzi okuphuza noma ukulawulwa kwamanzi angcolile, imboni yokudla nokunye okuningi.
Ngaphambi kokuthenga idivayisi yalolu hlobo, kuhle ukwazi izici zayo kahle. izici eziyisisekelokanye nokusetshenziswa kwayo okuyinhloko, ububanzi bokulinganisa, umkhawulo wephutha, isistimu yokulinganisa, nobukhulu. Imakethe ihlinzeka ngezinhlobonhlobo eziningi kakhulu zamamodeli, ukusuka kumamitha angangephaketheni alula ukuya kumishini yebhentshi yezinga lochwepheshe. Lokhu kuhlukahluka kungenza ukukhetha kube nzima uma ungaqiniseki ukuthi yini oyidingayo, ngakho-ke ngezansi sizobheka amaphuzu abalulekile ukukusiza wenze ukukhetha okufanele.
Yini okufanele ibe khona ngamamitha we-digital pH
Akunakwenzeka ukukhetha imitha engcono kakhulu uma ungacacile ngaphambili. yiziphi izimfuneko ezincane okufanele ihlangabezane nazo I-pH imitha yedijithali enhle ibalulekile. Lapho usebenza nezixazululo eziqukethe izinhlanzi, izitshalo, noma izinqubo ezibucayi, kubalulekile ukwazi amazinga e-pH aqondile. izakhiwo zamakhemikhali uketshezi noma i-substrate. I-pH ingenye yalezo ziguquko ezibucayi, futhi ukuyikala ngedivayisi ethembekile kunciphisa kakhulu amaphutha nezinkinga ezilandelayo.
Lawa madivayisi abala ngokungaqondile i- ukugxila kwe-hydrogen ion esixazululweni lapho ukulinganisa kuthathwa khona. Njengoba sesishilo, ukufundwa kuvezwa ngesilinganiso se 0 a 14Amanani angezansi 7 Athathwa njengama-asidi, nalawo angenhla 7 Ziyi-alkaline. Ema-aquarium ahlanzekile, isibonelo, izinhlobo eziningi ezifana ne- guppy Zigcinwa kububanzi obuseduze nokungathathi hlangothi, kuyilapho kuma-hydroponics, i-pH ene-acidic kancane ivame ukusetshenziswa.
Kumamodeli edijithali ajwayelekile, ukufundwa kuvela ku-a Isikrini se-LCD ngezinombolo ezichazwe kahle. Amanye amaqembu nawo abe nawo ilambu langemuva ukwenza kube lula ukufunda ezindaweni ezinokukhanya okuphansi, into ewusizo kakhulu emakamelweni akhula noma ezindaweni zasemanzini ezitholakala emakhabetheni avaliwe.
Ngaphambi kokunquma ukuthi iyiphi imodeli ongayithenga, kufanele ucabangele ngokucacile ukusetshenziswa okuyinhloko ukuthi uzonikeza imitha. Akuwona umshini ofanayo i-aquarium yasekhaya lowo omiselwe a uhlelo lochwepheshe lwe-hydroponic, okwamanje elebhu noma eyodwa idamu elikhulu lokubhukudaNgokuya ngesimo, ungakhetha phakathi kwamamitha aphathekayo, amamitha abekwe odongeni ukuze uqashwe ngokuqhubekayo, noma amamitha e-pH ebhentshini anama-probe anembe kakhulu.
CisheSingathola:
- amamitha we-pH anekhebula kanye ne-probe ehlukeneLezi zivame kakhulu kumalabhorethri, ama-hydroponics, kanye nokuqapha kwamathangi okuqhubekayo. Bahlanganisa iyunithi ye-electronic ne-probe engashintshwa uma iguga.
- Imishini yokulinganisa yohlobo lwepeni noma usayizi wephaketheKonke-kokukodwa, okunogesi kanye nophenyo kuhlanganiswe nomzimba ohlangene. Asebenza ngezindlela eziningi kakhulu kwabathanda ukuzilibazisa, ama-aquariums, izingadi, noma ukufakwa okuncane.
- Izilawuli ze-pH ezilungisiwe kanye nabaqaphiZifakwe odongeni noma eduze kwe-tank futhi zivumela izilinganiso eziqhubekayo. Amanye amamodeli abuye alawule amaphampu noma ama-valve. lungisa ngokuzenzakalelayo pH.
- I-pH + EC + TDS + imishini yokushisa ehlanganisiwe: esetshenziswa kabanzi kuma-hydroponics nasekulimeni, avumela ukuqapha kwe-pH, ukuqhutshwa kukagesi futhi ngezinye izikhathi izinga lokushisa kudivayisi eyodwa.
Amamitha ephaketheni aphathekayo ayasebenza ikakhulukazi ngoba Ungaziyisa noma yikuphiZikuvumela ukuthi uthathe izilinganiso ezisheshayo ezindaweni ezahlukene futhi uzigcine ngendlela yokonga isikhala. Asebenza ngebhethri futhi ngokuvamile anikeza inani elihle kakhulu lemali, elifanele abaqalayo nabasebenzisi abathuthukile.
Iningi lalawa mayunithi lihlanganisa isinxephezelo sezinga lokushisa okuzenzakalelayo (ATC)Lo msebenzi ulungisa ngaphakathi ukufundwa ukuze kulungiswe ukuhlukahluka kwezinga lokushisa ku-electrode. Ngenxa ye-ATC, imitha ingahlinzeka ngamavelu e-pH anembe kakhudlwana. okuzinzile nokunembile ngisho noma kulinganiswa ngamanzi abandayo noma izixazululo ezishisayo.
Ngokuya ngezindawo zokusetshenziswa, amamitha we-pH edijithali avame ukusetshenziswa ku ezolimo kanye nokulima (ukulungisa i-pH yamanzi okunisela, isixazululo sezakhi, noma i-substrate), ku izimboni ukudla kanye nekhemistri, ku izibhuku zokubhukuda kanye nama-spas ukuqinisekisa ukuthi amanzi angagqwali futhi angacasuli, ku ama-aquariums namachibi ukugcina izinhlanzi nezitshalo zisesimweni esifanele, futhi amalabhorethri ocwaningweni lwesayensi lapho kudingeka khona ukulawula okunembayo.
Zibuye zibe usizo kwezinye izinto ezisetshenziswa ekhaya ezingaziwayo, njengokuthi ukwenza iwayini (i-pH ephezulu kakhulu ihlotshaniswa namawayini amancane futhi anokuqina okuncane kwe-microbiological) noma ukwenza ushizilapho izigaba ze-curdling kanye nokuvuthwa zincike ezinhlobonhlobo ze-pH eziqondile kakhulu.
Ibhethri, usayizi nokuklanywa
Ngaphezu kokucaciswa okumsulwa kwezobuchwepheshe, lapho ukhetha imitha ye-pH yedijithali kuhle ukuthi ucabangele izici ezifana uhlobo lokudla, the usayizi futhi i ukuklama zomshini, njengoba zithonya ngokuqondile ukusetshenziswa kalula nokuqina.
Endabeni yamamitha ephaketheni, iningi lisebenza nge amabhethri noma amaseliKuvamile ukuthola amamodeli asebenzisa izinkinobho zamabhethri eselula noma amabhethri e-AAA. Enye yezinto ezithinta kakhulu impilo yebhethri yi- uhlobo lwesikriniIsikrini se-LCD esiyisisekelo sisebenzisa amandla amancane kunesikrini esinaso i-backlight njaloNgakho-ke, uma udinga ukukhanyisa ukuze ufunde ezindaweni ezimnyama, kufanele ukhumbule ukuthi impilo yebhethri izoba mfishane ngandlela thize kunamamodeli angakhanyi.
Ezinye izinto zokusebenza ziklanyelwe ukusetshenziswa kakhulu kumalabhorethri noma amagumbi okukhulisa nokunikezwayo imisebenzi yokuvala ngokuzenzakalelayoIzixwayiso zebhethri eziphansi namasistimu okonga amandla. Lezi zici zinwebeka impilo yebhethri futhi baqinisekisa ukuthi ngeke uphelelwe amandla ngesikhathi esibi kakhulu.
Ngokuphathelene nosayizi, amadivaysi okulinganisa athandwa kakhulu okusetshenziswa kwansuku zonke ngokuvamile abizwa ngokuthi ephaketheni digital pH metresUsayizi wabo ohlangene ubenza kube lula ukukuphatha ephaketheni, ubhaka, noma ikesi elincane. Ngokufanelekile, ngaphezu kokuba mancane, kufanele futhi... ukukhanyaukuze ukwazi ukuzisebenzisa kalula ngisho noma uthatha izilinganiso eziningi zilandelana.
Umklamo nawo uthinta i ukumelana kwamanzi nomswakamaEzindaweni ezinjengama-aquariums, greenhouses, noma amasistimu e-hydroponic, kuhlala kunengozi yokuchaphazeka noma ukuwa ngephutha emanzini. Ngakho-ke, kunconywa ukuthi umzimba wemitha unikeze izinga elithile lokuvikela ngokumelene nomswakama futhi, uma kungenzeka, ukuthi i-casing injalo anti-ukushelela ukunciphisa izingozi.
Uma uzibuza ukuthi kubiza malini amamitha e-pH yedijithali, uzothola yonke into kusukela kuzinketho ezithengekayo ukuze uyisebenzise ngezikhathi ezithile ukuya kumishini esezingeni eliphezulu edizayinelwe ochwepheshe. Ngaphambi kokugxila entengo kuphela, cabanga nge- ukunemba okuboniswe umenzi, ngokuvamile evezwa njengo-±0.05 pH noma ±0.1 pH, ukwelashwa kwemithiuhlobo lokulinganisa (okwenziwa ngesandla noma okuzenzakalelayo) kanye ne kungenzeka ukushintsha i-electrode uma kuguga.
I-pH, i-EC, namanye amamitha wepharamitha ahlobene
Ezitshalweni eziningi zesimanje, ikakhulukazi ku i-hydroponics kanye nokukhula kwangaphakathiAkwanele ukumane ulawule i-pH. Enye ipharamitha eyisisekelo yi- EC noma conductivity kagesi, okubonisa inani usawoti oncibilikisiwe emanzini futhi, ngakho-ke, ukugxila kwezakhi ezitholakala ezimpandeni.
Izinga le-pH elilungile liqinisekisa ukuthi imisoco etholakala ngamakhemikhali, kuyilapho i-EC efanele iqinisekisa ukuthi basesimweni inani elifaneleUma i-EC iphezulu kakhulu, kunengozi yoku vundisa ngokweqilekubangela ukusha ezimpandeni nasemaqabungeni. Uma i-EC iphansi kakhulu, izitshalo zingase zibonise ukuntula ukudla okunomsoco naphezu kokuba ne-pH ngaphakathi kwebanga.
Amamitha we-pH angaba:
- AmaLaptopsilungele ama-aquariums, ingadi, amachibi okubhukuda asekhaya kanye nezitshalo ezincane.
- Ilungisiwe noma ifakwe odongeni, ezifakwe unomphela emathangeni, emijikelezweni yokunisela noma emakamelweni akhulayo futhi enze izilinganiso eziqhubekayo.
Kumamodeli amaningi i-pH probe iwukuthi kuhlanganiswe emzimbeni wemitha, kanti kwezinye kuba engathathelwa indawoLokhu kwandisa isikhathi sempilo yezinto zokusebenza. Kubalulekile ukwenza a ukugcinwa okufanele: gcina i-probe imanzi ngaso sonke isikhathi ngezixazululo zokugcina, ihlanze njalo futhi linganisa okokusebenza ngezixazululo zebhafa yereferensi.
Kukhona amabhrendi emakethe asebenza ngokukhethekile kumamitha we-pH kanye ne-EC njenge Bluelab, Hanna, Milwaukee, AquaMaster noma ADWAphakathi kwabanye. Ngayinye inikezela ngobubanzi obuyisisekelo nobungcweti ukuze buvumelane nezinga lesidingo somsebenzisi ngamunye, kusukela kwabayizimfundamakhwela abadinga kuphela ukuhlola i-pH ngezikhathi ezithile kuye kochwepheshe abadinga izilinganiso ezinembile izikhathi ezimbalwa ngosuku.
Ukusebenza, ukulinganisa nokugcinwa kwemitha ye-pH
Ngaphezu kokwazi izinhlobo zamamitha, kubalulekile ukuqonda basebenza kanjani futhi iyiphi indlela efanele zilinganise futhi uzigcine ukuqinisekisa ukufundwa okuthembekile esikhathini eside.
Ngokuphathelene nezindlela zokulinganisaSingahlukanisa:
- Indlela ye-Photometric noma ye-colorimetricLe ndlela ivame ukusetshenziswa kumakhithi okuhlola ama-pool. Isampula ixutshwe ne-reagent eshintsha umbala ngokuya nge-pH, futhi idivayisi itolika umbala owumphumela. Ibanga lokulinganisa ngokuvamile likhawulelwe kakhulu, ngokuvamile liphakathi kuka-pH 6.5 no-8.5.
- Indlela ye-Potentiometric: yiyona esetshenziswa yi- digital pH metresIsekelwe kusignali kagesi ekhiqizwe i-electrode yengilazi njengomsebenzi womsebenzi wama-H+ ion. Lesi siginali iyakhuliswa futhi iguqulelwe ibe inombolo esiyibona esikrinini.
Ukuze imitha ye-pH inikeze ukufundwa okunembile, kuyadingeka Ilinganise ngezixazululo zebhafaLezi zixazululo zine-pH eyaziwayo nezinzile, ngokuvamile pH 4.0, pH 7.0 kanye pH 10.0Ukulinganisa okungenani amaphuzu amabili (isb., 4 no-7, noma 7 no-10) kuthuthukisa kakhulu ukunemba ngaphakathi kwebanga lokusebenza.
Kunamasistimu okulinganisa amabili amakhulu:
- Ukulinganisa okwenziwa ngesandlaUmsebenzisi ufaka i-electrode esixazululweni se-buffer bese eyilungisa esebenzisa i-potentiometer kuze kube yilapho isibonisi sibonisa inani elifanele. Kuyindlela elula kodwa idinga ukunakwa okwengeziwe.
- Ukulinganisa okuzenzakalelayoIdivayisi ibona ngokuzenzakalela isisombululo sebhafa lapho i-electrode ifakiwe futhi izilungisa ngokwayo ngaphandle kwesidingo sokusebenzisa izikulufu. Kulula kakhulu futhi kunciphisa iphutha lomuntu.
Amamitha amaningi anamuhla avumela ukulinganisa amaphuzu angaphezu kwamabili futhi angeze ngisho amaphuzu angahleliwe Uma kusetshenziswa izixazululo ezikhethekile ze-buffer. Kungakhathaliseki ukuthi iyiphi indlela, kuyanconywa ukuthi ulinganise imishini njalo, ikakhulukazi uma isiphelelwe isikhathi eside noma uma isetshenziswa ezindaweni ezidinga kakhulu.
Ukugcinwa kwe-electrode kubaluleke ngokufanayo. Kumele igcinwe njalo imanzi Sebenzisa isisombululo sokugcina esiqondene ne-pH, ungalokothi usebenzise amanzi acwengekile acwengekile, njengoba lokhu kungalimaza ulwelwesi. Ngemva kokulinganisa ngakunye, hlanza i-probe ngamanzi ahlanzekile, uyomise kancane ngephepha elingenayo i-lint, bese uyigcina kahle.
Amamitha we-digital pH amahle kakhulu
Uma usuwazi ukuthi yiziphi izici ozidingayo, yisikhathi sokubuyekeza ezinye zazo amamitha e-pH edijithali asetshenziswa kakhulu ngabashisekeli nezingcweti. Ngezansi uzobona amamodeli amabili aqondile osuwazi kakade futhi, ngaphezu kwalokho, ulwazi mayelana neminye imishini evamile emakethe yamanje, ngaphandle kokuguqula izinsiza ezikhona kakade kokuqukethwe kwangempela.
I-Preciva PH320001
Ingenye yamamitha e-pH edijithali kakhulu ezingokoqobo futhi engasindi ezikhona ebangeni layo. Ifomethi yayo elingana nephakethe ikuvumela ukuthi uyithuthe kalula noma kuphi lapho uyidinga khona, noma ngabe ukukala i-pH ye-aquarium yakho, amanzi okunisela, noma isixazululo sezakhi kuma-hydroponics.
Enye yezinto ezimbi kakhulu ukuthi Ayinakho ukulinganisa okuzenzakalelayoLokhu kusho ukuthi uzodinga ukulungisa mathupha okokusebenza usebenzisa izixazululo zebhafa. Lokhu kuyanconywa. yilinganise cishe njalo emavikini ama-4 ukugcina ukusebenza kahle nokunemba ezilinganisweni, ikakhulukazi uma uyisebenzisa njalo.
Ungayithenga ngokuchofoza.
I-Gyo-yo SDWE234
Le modeli ivelele ngokuhlanganisa ubuchwepheshe besinxephezelo sokushisa okuzenzakalelayoLokhu kuvumela ukuthi inikeze ukufundwa kwe-pH okunembe kakhulu kunamanye amamitha esigabeni sayo. I-margin yayo yephutha incane kakhulu, nge kuphela ±0.05 pH, ilungele ama-aquariums athambile, izitshalo ze-hydroponic noma amalabhorethri asekhaya.
Ihlanganisa uhlobo lwesikrini I-LCD ene-backlightukuze amanani abonakale ngokucacile nasezindaweni ezinokukhanya okuphansi. Ngokuqondene nezinsiza, ukufakwa kwe i-tampon powder ukulinganisa ithuluzi, ngakho-ke uzodinga ukuwathenga ngokwehlukana uma ufuna ukugcina ukunemba okuphezulu.
Ungawuthenga lo mkhiqizo ngokuchofoza.
Ngokungeziwe kulawa mamodeli ephaketheni, kukhona amanye amadivaysi athandwa kakhulu emakethe avela kumikhiqizo efana ne Bluelab, Hanna, Milwaukee, Apera, HM Digital noma Dr.meterEzinye zihlanganisa i-pH, i-EC, i-TDS, nokulinganisa izinga lokushisa kudivayisi eyodwa; ezinye zenzelwe ukufakwa unomphela emanzini noma emathangini. Lapho ukhetha, qaphela njalo ukunemba okubonisiwe, uhlobo lokulinganisa, ithuba lokuthi shintsha i-probe kanye nezinga lokuvikela emanzini kanye nomswakama.
Ngemitha ye-pH yedijithali enhle, elinganiswe kahle futhi inakekelwe, ungakwazi ukuqapha ngokunembile ikhwalithi yamanzi noma isixazululo sezakhi. gwema ukuvinjwa kwezakhi futhi kuqinisekiswe indawo ezinzile yezinhlanzi, izitshalo, kanye nezinambuzane ezizuzisayo. Ngakho-ke leli thuluzi liba umsizi obalulekile kunoma yimuphi umthandi we-aquarium, uchwepheshe we-hydroponics, umlimi othuthukile, noma ubani ogcina ngokucophelela ikhwalithi yamanzi ekhaya.
