Ni irihe hame ry'ubumenyi rigomba gutozwa mugihe cyo gukoresha metero yimikorere? Ubwa mbere, kugirango wirinde polarisiyasi ya electrode, metero itanga ibimenyetso bya sine yumurongo uhamye kandi ikabishyira kuri electrode. Umuyoboro unyura muri electrode ugereranije nubushobozi bwumuti wapimwe. Nyuma ya metero ihindura umuyaga uva mumashanyarazi yongerewe imbaraga mumashanyarazi ya signal, Nyuma ya progaramu igenzurwa na progaramu ya signal amplification, fonctionnement-fonctionnement no kuyungurura, ibimenyetso bishobora kwerekana imiyoboro yabonetse; microprocessor ihinduranya ikoresheje guhinduranya ubundi buryo bwo kwerekana ibimenyetso by'ubushyuhe hamwe n'ikimenyetso cyo gutwara. Nyuma yo kubara no kwishyurwa ubushyuhe, igisubizo cyapimwe kiboneka kuri 25 ° C. Agaciro keza muri kiriya gihe nubushyuhe bwigihe.
Umuriro w'amashanyarazi utera ion kugenda mubisubizo byapimwe bitangwa na electrode ebyiri zihuye neza nigisubizo. Ihuriro ryo gupima electrode igomba kuba ikozwe mubikoresho birwanya imiti. Mu myitozo, ibikoresho nka titanium bikunze gukoreshwa. Electrode yo gupima igizwe na electrode ebyiri yitwa Kohlrausch electrode.
Igipimo cyimyitwarire gikeneye gusobanura ibintu bibiri. Imwe ni uburyo bwo gukemura igisubizo, ikindi ni isano ya geometrike ya 1 / A mugisubizo. Imiyoboro irashobora kuboneka mugupima amashanyarazi na voltage. Iri hame ryo gupima rikoreshwa mubikoresho byerekana ibipimo byerekana.
Kandi K = L / A.
A —— Isahani ikora ya electrode yo gupima
L —— Intera iri hagati yamasahani yombi
Agaciro kibi bita selile ihoraho. Imbere yumurima wamashanyarazi umwe hagati ya electrode, electrode ihoraho irashobora kubarwa nuburinganire bwa geometrike. Iyo amasahani abiri ya kare afite ubuso bwa 1cm2 yatandukanijwe na 1cm kugirango akore electrode, ihoraho ryiyi electrode ni K = 1cm-1. Niba agaciro kayobora G = 1000μS yapimwe niyi couple ya electrode, noneho ubwikorezi bwumuti wapimwe K = 1000μS / cm.
Mubihe bisanzwe, electrode ikora igice cyumuriro w'amashanyarazi igice. Muri iki gihe, selile ihoraho igomba kugenwa nigisubizo gisanzwe. Ibisubizo bisanzwe mubisanzwe ukoresha igisubizo cya KCl. Ni ukubera ko ubushobozi bwa KCl butajegajega kandi bwuzuye mubushyuhe butandukanye. Umuyoboro wa 0.1mol / l KCl igisubizo kuri 25 ° C ni 12.88mS / CM.
Icyitwa amashanyarazi adahuje amashanyarazi (nanone bita umurima wazimiye, umurima utemba) ntabwo uhoraho, ariko ujyanye nubwoko hamwe nubunini bwa ion. Kubwibyo, umurima utyaye wumuriro wa electrode ni electrode mbi cyane, kandi ntishobora guhaza ibikenewe murwego rwo gupima binyuze muri kalibrasi imwe.
2. Ni ikihe kibanza cyo gusaba cya metero yubushakashatsi?
Imirima ikoreshwa: Irashobora gukoreshwa cyane mugukomeza gukurikirana indangagaciro zogutwara ?? mubisubizo nkimbaraga zumuriro, ifumbire mvaruganda, metallurgie, kurengera ibidukikije, imiti, ibinyabuzima, ibiryo n'amazi ya robine.
3.Ni ubuhe buryo selile ihoraho ya metero yimikorere?
"Ukurikije formula K = S / G, selile ihoraho K irashobora kuboneka mugupima imyitwarire ya G ya electrode yumurongo mugace runaka wa KCL. Muri iki gihe, imiyoboro ya S yumuti wa KCL irazwi.
Electrode ihoraho ya sensor ya sensororo isobanura neza imiterere ya geometrike ya electrode ebyiri za sensor. Nicyo kigereranyo cyuburebure bwikitegererezo mugace gakomeye hagati ya electrode 2. Ihindura mu buryo butaziguye ibyiyumvo no kumenya neza ibipimo. Gupima ingero zifite ubushobozi buke bisaba selile nkeya. Gupima ingero zifite ubushobozi buke bisaba selile ndende. Igikoresho cyo gupima kigomba kumenya selile ihoraho ya sensor ihujwe kandi igahindura ibisobanuro byo gusoma bikurikije.
4. Ni ubuhe bwoko bw'utugingo ngengabuzima twa metero zitwara?
Electrode ya electrode ebyiri nubu ni ubwoko bukoreshwa cyane na electrode mu Bushinwa. Imiterere yubushakashatsi bubiri bwa electrode yubushakashatsi ni ugucumura amabati abiri ya platine kumpapuro ebyiri zibangikanye cyangwa urukuta rwimbere rwikirahuri kizengurutse kugirango uhindure urupapuro rwa platine Agace nintera irashobora gukorwa muri electrode itwara ibintu bifite agaciro gahoraho. Mubisanzwe hariho K = 1, K = 5, K = 10 nubundi bwoko.
Ihame rya metero yimikorere ni ngombwa cyane. Mugihe uhisemo ibicuruzwa, ugomba kandi guhitamo uruganda rwiza.
Igihe cyo kohereza: Ukuboza-15-2021