Chii chinonzi Pocket PH Testers?
Pocket pH testers zvidiki zvinotakurika zvinoendesa ruzivo kumushandisi nekurongeka, nyore uye kugona. Midziyo iyi yakagadzirirwa kushandiswa mumamiriro akasiyana uye inoedza alkalinity (pH) uye acidity yemasampuli akasiyana. Iwo anonyanya kufarirwa pakuyedza mhando dzemhando dzemvura nekuti anokwana zvakanaka muhomwe kuti atore nyore uye ashandise.
Nemashandisirwo mazhinji akasiyana achigadzira rondedzero yemhando dzemuenzaniso, zvakakosha kuti uzive kuti rudzii rwepH mvura tester ichaunza yakanakisa mhedzisiro yemuenzaniso wako wekuyedza zvaunoda. Kune vakasiyana siyana vevaedzi pamusika vanopa mhando dzakasiyana dzetekinoroji kuzadzisa zvinodiwa nemutengi. Kune mhando nhatu dzepH mvura testers dzakanakira kuyedza mhando yemvura: iyo single-junction electrode disposable tester, single-junction inotsiva electrode uye kaviri-junction inotsiva electrode. Kusarudza pH mita yemvura kuchanyanya kuenderana nesample iri kuedzwa, cadence yekuyedzwa uye nekurongeka kunodiwa.
pH Maitiro
Rudzi rwakajairika rwemhando yemvura bvunzo ndeye pH bvunzo. Mvura pH inoratidza kuenzana pakati pemahydrogen ions, ayo ane acidic, uye hydroxide ions, izvo zvakakosha. Chiyero chakakwana chezviviri chiri pa pH ye 7. A pH kukosha kwe7 haina kwayakarerekera. Sezvo nhamba yacho inoderera, chinhu chacho chinowedzera seasidhi yakawanda; sezvainowedzera, inowedzera alkaline. Mitemo inotangira pa0 (yakazara acidic, yakadai sebhatiri acid) kusvika pa14 (yakazara alkaline, semuenzaniso, drain cleaner). Mvura yepombi kazhinji inenge yakatenderedza pH 7, nepo mvura inongoitikawo zvayo iri muchikamu che6 kusvika ku8 pH mayunitsi. Zvikumbiro zvinoda kuyera pH mazinga anowanikwa mune ingangoita yese indasitiri uye imba. Chikumbiro chemumba, sekuyera mazinga epH ehove aquarium, yakasiyana nekuyera pH yemvura muchirimwa chekuchenesa mvura.
Usati wasarudza muchengeti wehomwe, zvakakosha kuziva zvakawanda nezve electrode. Icho chikamu chehomwe tester chakanyikwa musampuli kutora pH kuyerwa. Mukati me electrode mune electrolyte (mvura kana gel). Iyo electrode junction ndiyo porous point pakati pe electrolyte mu electrode uye sampuli yako. Chaizvoizvo, iyo electrolyte inofanira kubuda mumuenzaniso kuitira kuti electrode ishande kuti iwane mhedzisiro chaiyo. Zvose izvi zvikamu zviduku zvinoshanda pamwechete mukati me electrode kunyatsoyera pH.
Iyo electrode inodzikira zvishoma nezvishoma nekuti iyo electrolyte inogara ichishandiswa pakutora zviyero uye inova muchetura neanosvibisa ayoni kana makomisheni. Ioni dzinopisa mu electrolyte isimbi, phosphates, sulfates, nitrate uye mapuroteni. Iyo yakanyanya caustic nharaunda, iyo yakakura kukanganisa pane electrode. Mamiriro eCaustic ane huwandu hwakanyanya hwemaion anosvibisa, senge nzvimbo dzekuchenesa mvura yetsvina, dzinogona kukurumidzisa chepfu ye electrolyte. Maitiro aya anogona kuitika nekukasira neakachipa ekupinda-level testers. Mumavhiki mashoma, mamita anogona kuita husimbe uye kusarongeka. Iyo yemhando homwe pH mita ichave ine yakavimbika electrode inopa yakagadzikana uye kwakaringana kuverenga nguva dzose. Kuchengeta electrode yakachena uye yakanyorova zvakare kwakakosha pakuita kwehomwe tester uye hupenyu hurefu.
Single-Junction Disposable pH Testers
Kune apo neapo mushandisi wepH testers ane yakajairwa mvura sampu pH inodiwa, yakapusa tekinoroji inoshandisa imwechete-junction electrode ichapa simba rakawanda uye huchokwadi. Iyo single-junction electrode ine hupenyu hupfupi pane kaviri-junction electrode uye inowanzo shandiswa kune apo neapo nzvimbo pH uye tembiricha yekuyedza. Iyo isina-inotsiva imwe-junction sensor ine + 0.1 pH kunyatsoita. Iyi isarudzo yehupfumi uye kazhinji inotengwa neasina tekinoroji yekupedzisira mushandisi. Kana muyedzi asisape kuverenga chaiko, ingorasa uye utenge imwe homwe tester. Iyo single-junction disposable testers inowanzo shandiswa muhydroponics, aquaculture, mvura inonwiwa, aquariums, dziva uye spas, dzidzo, uye misika yebindu.
Single-Junction Replaceable Electrode pH Testers
Nhanho yekukwira kubva kune imwe-junction disposable tester ndiyo imwe-junction inotsiva muhomwe tester, iyo inogona kuwana chokwadi chirinani che +0.01 pH. Iyi tester inokodzera akawanda ASTM Intl. uye US EPA bvunzo maitiro. Iyo sensor inotsiviwa, kuchengetedza iyo unit, saka inogona kushandiswa kakawanda. Kutsiva iyo sensor isarudzo yeakajairika mushandisi anogara anoshandisa tester. Kana chikwata chikashandiswa nguva dzose uye sampuli dzine huwandu hwakawanda hweioni inouraya electrolyte mu electrode, zvingave zvakanyanya kubatsira kuenda kune imwe nhanho yevaongorori nekaviri-junction electrodes teknolojia.
Kaviri-Junction Replaceable Electrode pH Testers
Iyo kaviri-junction tekinoroji inopa yakarebesa yekufambisa nzira yezvinosvibisa kufamba, kunonoka kukuvadza kunoparadza pH electrode, kuwedzera uye kuwedzera hupenyu hweyuniti. Kusvibiswa kusati kwasvika kune electrode, inofanira kupararira kuburikidza kwete imwe junction, asi mbiri. Iwo maviri-junction testers anorema-basa, epamusoro-mhando testers anoshingirira mamiriro akaomarara uye masampuli. Anogona kushandiswa nemvura yakasviba, zvigadziriso zvine sulfides, heavy metals uye Tris buffers. Kune vatengi vanoda kugara vachidzokorora bvunzo dzavo dzepH, vachifumura ma sensors kune zvinhu zvine hukasha, zvakakosha kushandisa kaviri-junction tester kuti uwedzere hupenyu hwe electrode uye kuve nechokwadi chechokwadi, zvakare. Nekushandisa kwega kwega, kuverenga kunodonha uye kuve kushoma kuvimbika. Iyo kaviri-junction dhizaini inova nechokwadi chemhando yepamusoro uye tekinoroji inoshandiswa kuyera mazinga epH pakunyatso kurongeka kwe +0.01 pH.
Calibration kwakakosha pakurongeka. Hazvina kujairika kuti pH mita ikukure kubva kune yayo yakarongedzerwa marongero. Kana yangodaro, miuyo isiriyo inogona kuitika. Zvakakosha kugadzirisa vanoedza kuti vawane kuyerwa chaiko. Dzimwe pH homwe mamita ane otomatiki buffer kuzivikanwa, zvichiita kuti calibration kuve nyore uye nekukurumidza. Mazhinji emhando dzakaderera-mutengo wakaderera anoda kuwedzera kakawanda calibration kuti ive nechokwadi chekuyerwa kwakaringana. Calibration yepH testers inofanirwa kuitwa nguva nenguva, inokurudzirwa zuva nezuva kana kamwechete pasvondo. Gadzirisa kusvika kumapoinzi matatu uchishandisa US kana National Institute of Standards uye Technology buffer seti zviyero.
Pocket testers vanga vachitungamira mukuyedzwa kwemvura mumakore akati wandei apfuura, sezvo ari compact, anotakurika, akarurama uye anogona kuburitsa kuverenga mukati memasekondi nekudzvanya kwebhatani. Sezvo musika wevanoedza uchiramba uchida shanduko, vagadziri vakawedzera zvinhu zvakaita sedzimba dzisingapindi mvura uye dzisina guruva kudzivirira vanoedza kubva munzvimbo dzakanyorova uye kusabatwa zvakanaka. Mukuwedzera, makuru, ergonomic kuratidza anoita kuti kuverenga kuve nyore. Otomatiki tembiricha muripo, chinhu chinowanzochengeterwa handheld uye benchtop metres, zvakare chakawedzerwa kune azvino mhando. Mamwe mamodheru anotokwanisa kuyera uye kuratidza tembiricha chaiyo. Vaedzi vepamberi vacharatidza kugadzikana, kuenzanisa uye zviratidzo zvebhatiri pachiratidziro uye auto-kudzima kuchengetedza hupenyu hwebhatiri. Kusarudza iyo chaiyo homwe tester yechishandiso chako inokupa iwe yakavimbika uye yakarurama kushandisa nguva dzose.
Isu tinogona zvakare kupa emhando yemvura sensors inoyera mamwe akasiyana ma paramita ereferensi yako
Nguva yekutumira: Nov-12-2024