Txheeb xyuas thiab daws teeb meem cov cuab yeej faults
Hauv kev xyaum, vim kev laus ntawm cov khoom siv, txoj kev ua haujlwm tsis raug thiab tsis ruaj khov ntawm lub zog hluav taws xob tuaj yeem ua rau pHS -3BS PH meter tsis ua haujlwm, kom tau txais cov ntaub ntawv saib xyuas cov kua qaub los ua kom muaj teeb meem, xav tau cov neeg soj ntsuam ntawm Kev tshwm sim ntawm kev ua txhaum nyob rau lub sijhawm thiab raug kuaj xyuas thiab kev tshuaj xyuas thiab kev daws teeb meem kom ntseeg tau tias qhov kev coj ua ntawm cov kua qaub nag soj ntsuam kev ua haujlwm.
(1) Lub hwj chim tau raug qhib tab sis tsis muaj qhov tshwm sim ntawm nws qhov ua tau thiab txoj kev kho mob:
ib. Lub fuse tawg thiab yuav tsum tau hloov;
b. Fais fab mov tsis zoo los yog transformer, yuav tsum raug xa mus kho lossis hloov;
c. Cov cuab yeej Circuit Court tsis ua haujlwm, yuav tsum raug xa mus kho.
(2) Kev hloov kho "Positioning" tsis yog pH 7.00 nws muaj peev xwm ua tau thiab kho:
ib. Composite electrode replenishment solution qhuav qhuav, ntxiv 3M potassium chloride tov los yog hloov cov electrode;
b. Composite electrode tsis ua hauj lwm, yuav tsum tau hloov;
c. Internal potentiometer phem, yuav tsum raug xa mus kho lossis hloov.
(3) "txoj kab nqes" hloov tsis yog pH 4.00 los yog pH 9.18 nws ua tau thiab txoj kev kho mob:
ib. Composite electrode laus, kev ua haujlwm poob qis, yuav tsum tau hloov;
b. Internal potentiometer tsis zoo, yuav tsum tau xa mus rau kev kho thiab hloov.
(4) kev ntsuas pH tus nqi, kev nyeem ntawv tsis ruaj khov, nws qhov ua tau thiab cov kev kho mob:
ib. Cov qauv dej K tus nqi qis dhau (xws li qis dua 10μS / cm), qhov tsim nyog txuas ntxiv ntawm lub sijhawm sib npaug;
b. Composite electrode internal kuj siab dhau lawm, lub neej tuaj, yuav tsum tau hloov;
c. Composite electrode plug (lub rooj zaum) ya raws los yog paug, yuav tsum tau kaw nrog 95% cawv so composite electrode plug (lub rooj), qhuav ua ntej siv;
d. tsis ruaj tsis khov fais fab mov voltage, los yog kev sib cuag tsis zoo nrog cov xaim hauv av, yuav tsum raug kaw kom vuam cov xaim hauv av, kom ruaj khov voltage thiab tom qab ntawd hloov qhov ntsuas.
(5) "Tsis siv neeg" them nyiaj, cov nyiaj dhau los lossis cov khoom tsis ruaj khov, qhov ua tau thiab cov kev kho mob:
ib. Kev ntsuas kub tsis txuas lossis tsis zoo, yuav tsum tau txuas lossis hloov pauv;
b. Kub them nyiaj selector hloov tsis zoo, yuav tsum raug xa mus kho lossis hloov;
c. Kub sojntsuam jack sab hauv tawg hlau, yuav tsum raug xa mus kho;
d. Cov cuab yeej Circuit Court tsis ua haujlwm, yuav tsum raug xa mus kho.
