I-PC60 Premium Multi-Parameter Tester (pH/EC/TDS/Salinity/Temp.) Incwadi Yeziqondiso
I-APERA INSTRUMENTS (Europe) GmbH
www.aperainst.de
V6.4
Siyabonga ngokuthenga i-Apera Instruments PC60 Premium Multi-Parameter Tester. Sicela ufunde ngokucophelela le miyalo ngaphambi kokusebenzisa umkhiqizo ukuze ube nomphumela wokuhlola onembile nothembekile, futhi ugweme ukulimala okungadingekile kumitha noma uphenyo. Ukuze uthole okokufundisa ngevidiyo, sicela uye ku-www.aperainst.de
Okuqukethwe
1. Ukufakwa kwebhethri……………………………………………………………………………………………………………………. 3 2. Imisebenzi yekhiphedi ………………………………………………………………………………………………………………………… 3. Ikhithi ephelele………………………………………………………………………………………………………………………………… .. 3 4. Ukulungiselela Ngaphambi Kokusetshenziswa………………………………………………………………………………………………………………… 4. Ukulinganiswa kwe-pH ………………………………………………………………………………………………………………………………. 4 5. Ukukalwa kwe-pH ……………………………………………………………………………………………………………………………… 5 6. Ukulinganiswa Kokuziphatha………………………………………………………………………………………………………….. 6 7. Isilinganiso Sokwenziwayo …………………………………………………………………………………………………….. …………………………………………………………………………………………………………….. 7 8. Imininingwane Yezobuchwepheshe ……… ………………………………………………………………………………………………………. 7 9. Izimpawu Nemisebenzi ………………………………………………………………………………………………………………………………………………………………. 9 10. Ukushintshwa kwe-Probe…………………………………………………………………………………………………………….. 10 11 . Iwaranti ………………………………………………………………………………………………………………………………
Thuthukisa Inothi I-PC60 Tester entsha iza nesakhiwo se-probe esithuthukisiwe, esifakwe isivikelo senzwa esivimbela ukuphuka kwegilabhu yengilazi ekushayisaneni ngengozi (bona isithombe ngezansi). Abasebenzisi bangasusa isihlangu lapho behlanza inzwa futhi bayibuyisele ngemuva kokuhlanza.
Isivikelo Senzwa
2
1. Ukufakwa kwebhethri
Sicela ufake amabhethri ngokuya ngezinyathelo ezilandelayo. *Sicela uqaphele indlela amabhethri: Konke
AMAQEPHU OKUHLE (“+”) EZISEPHEZULU. (Ukufakwa okungalungile kwamabhethri kuzodala umonakalo kumhloli kanye nezingozi ezingaba khona)
+ +
--
+ +
--
Donsela isivalo sebhethri siye phezulu Shelelezisa isivalo sebhethri siye ngalapho kumcibisholo khona Vula isivalo sebhethri Faka amabhethri (WONKE AMAHLATHI AMAHLE ABHEKISELE PHEZULU) (bona igrafu) Vala isivalo sebhethri Shelelezisa bese ukhiya ikepisi yebhethri iye ngakumcibisholo ongu-Fit. ikepisi lomhloli ngenkathi wenza isiqiniseko sokuthi uphushela phansi. Umhloli
idizayini engangeni manzi ingase ibe sengozini uma ikepisi lingafakwanga kahle.
2.Imisebenzi Yekhiphedi
Cindezela okufushane—— < 2 imizuzwana ,Cindezela isikhathi eside——- > 2 imizuzwana
Ibhethri
1.Cindezela iDemo ukuze uvule isihloli bese ucindezela isikhathi eside ukuze uvale isihloli. 2.Uma icishiwe, cindezela isikhathi eside ukuze ufake isethingi yepharamitha. 3. Kumodi yokulinganisa, cindezela kafushane ukuze uvule i-backlight.
1.Kumodi yokulinganisa, cindezela kafushane ukuze ushintshe ipharamitha pHCONDTDSSAL 2.Ekusethweni kwemodi, cindezela kafushane ukuze ushintshe ipharamitha (I-Unidirectional)
1. Cindezela isikhathi eside ukuze ufake imodi yokulinganisa. 2. Kumodi yokulinganisa, cindezela kafushane ukuqinisekisa ukulinganiswa. 3.Uma inani elilinganisiwe likhiyiwe, cindezela kafushane ku
vula;
Izinkinobho ze-LCD Probe Probe Cap
Phenya
Inzwa ye-pH ye-BPB
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3. Qedela Ikhithi
Umdwebo - 2
4. Ukulungiselela Ngaphambi Kokusetshenziswa
Uma kungokokuqala ngqa ukusetshenziswa noma umhloli engakaze asetshenziswe isikhathi eside, thela isixazululo se-3M KCL kukepisi yophenyo (cishe i-1/5 yesivalo sophenyo) bese ucwilisa uphenyo imizuzu eyi-15-30. Uma ingasetshenziswa, sincoma ukuthi ugcine i-pH probe kusixazululo sesitoreji esingu-3M KCL kusivalo se-probe ukuze ugcine ukunemba kwenzwa. Kodwa noma ngabe igcinwe yomile, ngeke yenze umonakalo unomphela kwinzwa. Izobangela okwesikhashana kuphela ukuthi i-probe ilahlekelwe ukuzwela kwayo, okungahle kubuyiselwe ngokucwiliswa kwisisombululo sokugcina. Isixazululo sokugcina yi-3M KCL (potassium chloride). Ibhodlela elilodwa lesixazululo sesitoreji esingu-10mL liza nekhithi yomhloli. Uma isixazululo sokucwiliswa singcolile, sicela usishintshe ufake esisha ngesikhathi. * UNGAZISEBENZISI ezinye izixazululo zesitoreji somkhiqizo ngoba amakhemikhali ahlukene angasetshenziswa futhi umonakalo ongaba khona unomphela ungase udalwe imitha.
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5. Ukulinganiswa kwe-pH
Izinto ezidingekayo ngaphezu kwalokho okusebhokisini: · Inkomishi ehlanzekile, · amanzi acwebile (8-16oz) · namaphepha ezicubu zokuwasha · ukomisa uphenyo
5.1 Cindezela isikhashana
ukuvula imitha; hlambulula i-probe emanzini a-distilled, unyakazise imitha
umoya futhi usebenzise i-tissue paper ukuze ucime amanzi amaningi (ungalokothi uhlikihle noma usule inzwa). 5.2 Thela inani elithile (cishe uhhafu wevolumu yebhodlela lokulinganisa) le-pH 7.00 ne-pH 4.00
isisombululo se-buffer emabhodleleni okulinganisa ahlukene;
5.3 Cindezela isikhathi eside
ukufaka imodi yokulinganisa; Cindezela iDemo
ukuphuma.
5.4 Gcoba i-probe ku-pH7.00 isixazululo sebhafa, yinyakazise kancane, futhi uyivumele ime inganyakazi kusixazululo sebhafa kuze kufinyelelwe ekufundweni okuzinzile. Lapho uzinzile
isithonjana sivezwa esikrinini se-LCD (njengoba kukhonjisiwe kumdwebo 3), sifushane
cindezela ukuze uqedele ukulinganisa kwephoyinti elingu-1 futhi umhloli ubuyela ku
Umdwebo - 3
imodi yokulinganisa. Isithonjana senkomba
izovela ngezansi kwesokunxele kwe
isikrini se-LCD.
5.5 Hlanza i-probe emanzini acwecwe bese uyomisa. Cindezela isikhathi eside ukuze ufake imodi yokulinganisa. Dip
i-probe kusixazululo sebhafa se-pH 4.00, yinyakazise kancane, futhi uyivumele ime inganyakazi esixazululweni sebhafa.
Uma isithonjana esizinzile siboniswa esikrinini se-LCD, cindezela kafushane ukuze uqedele amaphuzu angu-2
ukulinganisa futhi umhloli ubuyela kumodi yokulinganisa. Isithonjana senkomba
izovela
ngaphansi kwesokunxele kwesikrini se-LCD. 5.6 Uma kunesidingo, hlambulula i-probe emanzini acwecwe bese uyomisa, bese ucwilisa uphenyo ku-10.01 buffer
isisombululo (esithengiswa ngokwehlukana) ukuqedela iphuzu lesi-3 lokulinganiswa ngokwezinyathelo eziku-5.5,
izovela ngezansi kwesokunxele se-LCD.
Amanothi
a) Umhloli uzobona ngokuzenzakalelayo isisombululo sebhafa se-pH. Abasebenzisi bangakwazi ukulinganisa iphuzu elilodwa, amaphuzu amabili, noma amaphuzu amathathu. Kodwa ekulinganiseni iphuzu loku-1, isisombululo se-pH esingu-7.00 kuphela esingasetshenziswa. Bese usebenzisa ezinye izixazululo zebhafa ukwenza ukulinganisa kwephoyinti lesi-2 noma lesithathu. Umhloli uzokwazi ukubona ngokuzenzakalela izinhlobo ezi-3 zezixazululo zebhafa ye-pH. Bheka ithebula elingezansi:
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Ukulinganisa
Uchungechunge lwe-USA
1-iphuzu 2-iphuzu 3-iphuzu
1) 7.00 pH
1) 7.00 pH 2) 4.00 noma 1.68 pH
1) 7.00 pH 2) 10.01 noma 12.45 pH
1) 7.00 pH 2) 4.00 noma 1.68 pH 3) 10.01 noma 12.45 pH
Uchungechunge lwe-NIST
1) 6.86 pH
1) 6.86 pH, 2) 4.01 pH noma
1.68 pH 1) 6.86 pH, 2) 9.18 pH noma 12.45 pH 1) 6.86pH 2) 4.01 noma 1.68pH, 3) 9.18 pH noma 12.45 pH
Isithonjana Sesibonakaliso Sokulinganisa
Ukunemba Okunconyiwe kanye
Ibanga
Ukunemba okungu-0.1 pH
Ibanga Lokukala7.00
pH
Ibanga Lokulinganisa 7.00pH
Ukulinganisa Okubanzi
Ibanga
b) Ngezixazululo zebhafa yokulinganiswa kwe-pH, sincoma ukuthi abasebenzisi bamiselele isisombululo esisha sebhafa ngemva kwezikhathi eziyi-10 ukuya kweziyi-15 zokusetshenziswa ukuze kugcinwe ukunemba kwebhafa okujwayelekile. UNGATHELI izixazululo zokulinganisa ezisetshenzisiwe emuva emabhodleleni esixazululo uma kwenzeka ukungcola.
c) Le probe ye-pH NGEKE inikeze ukufundwa okunembile nokuzinzile kwamanzi acwengekile noma akhishwe i-deionized. Lokhu kungenxa yokuthi amanzi ancibilikisiwe kanye ne-deionized awanawo ama-ion anele ukuze i-electrode isebenze kahle. Ama-pH akhethekile adinga ukusetshenziselwa ukulinganisa amanzi acwengekile/ayi-deionized. Xhumana nathi ku-info@aperainst.de ukuze uthole imininingwane eyengeziwe.
d) Uma uhlola amanzi ahlanzekile njengamanzi entwasahlobo noma amanzi okuphuza, kuzothatha isikhathi eside ukuthi ukufundwa kuzinze (imvamisa imizuzu emi-3-5) ngoba kusele ama-ion ambalwa kakhulu ukuthi atholwe inzwa kulawo manzi ahlanziwe.
e) UNGAgcini i-pH probe emanzini acwengekile ukuze uvimbele ukulimala unomphela kuphenyo. f) Ukuze uthole ulwazi lokuzihlola, sicela ubheke ithebula elingezansi:
Uphawu
Imininingwane Yokuzihlola
Ukuhlola nezindlela zokulungisa
Isixazululo esingalungile sokulinganisa noma ububanzi besixazululo sokulinganisa sidlula okujwayelekile.
a) Hlola ukuthi isixazululo sokulinganiswa silungile yini (iphuzu lokuqala lokulinganiswa kwe-pH kufanele libe yi-pH 1) b) Hlola ukuthi i-electrode yonakele yini. c) Hlola ukuthi likhona yini ibhamuza lomoya kunzwa ye-pH yesibani sengilazi
Iphushwa ngaphambi kokulinganisa Linda ukuthi isithonjana sokumamatheka sivele futhi sihlale,
uzinzile (uyakhuphuka ahlale)
bese ucindezela
* Uma uthola noma yiliphi ibhamuza lomoya kusibani sengilazi yenzwa ye-pH, vele unyakazise uphenyo izikhathi ezimbalwa ukuze ulisuse. Ukuba khona kwebhamuza lomoya kusibani sengilazi kuzodala izilinganiso ezingaqini. * Ukulinganiswa kwephoyinti loku-1 kufanele kube ngu-7.00 pH. Yenza ukulinganisa kwephoyinti lesi-2 (4.00 pH) ngokushesha ngemva kwephoyinti loku-1. UNGAYIVALI imitha ngaphambi kokuba ulinganise iphuzu lesibili. Uma imitha ivaliwe ngemva kokulinganiswa kwephoyinti loku-2, abasebenzisi bazodinga ukuqalisa kabusha inqubo yokulinganisa ngo-1 pH kuqala bese kuthi 7.00 pH kulandele ngemva kwalokho. Ukulinganisa ngokuqondile ku-pH 4.00 ngemva kokuvala imitha nokuvula kuzodala i-Er4.00.
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6.pH Ukukala
Cindezela isikhashana ukuze uvule isihloli. Hlanza i-probe emanzini a-distilled futhi uyomise. Gcoba uphenyo ku-sample solution, gudluza ngobumnene, bese uvumela ukuthi ime kancane ekhambi. Thola ukufundwa ngemuva kokuvela nokuhlala.
7. I-Conductivity Calibration
7.1 Cindezela inkinobho ukushintshela kumodi yokulinganisa i-conductivity. Hlanza i-probe emanzini a-distilled futhi uyomise. 7.2 Thela inani elithile (cishe uhhafu wevolumu yebhodlela lokulinganisa) lika-1413S/cm no-12.88 mS/cm isisombululo sokulinganisa ukuqhutshwa kwe-conductivity emabhodleleni okulinganisa ahambisanayo. 7.3 Ikhi yokucindezela isikhathi eside ukufaka imodi yokulinganisa, cindezela kafushane ukuphuma. 7.4 Gcoba i-probe ku-1413 S/cm isixazululo sokulinganisa ukuqhutshwa kwe-conductivity, gudluza kancane futhi
livumele lime linganyakazi esixazululweni kuze kufinyelelwe ekufundweni okuzinzile. Uma uphawu oluzinzile luvela futhi luhlala esikrinini se-LCD, ucindezela inkinobho emfushane ukuze uqedele ukulinganisa kwephuzu elilodwa, umhloli ubuyela kumodi yokulinganisa futhi uphawu lwenkomba luzovela ngezansi kwesokunxele sesikrini se-LCD. 7.5 Ngemva kokulinganisa, cwilisa i-probe kusixazululo sokulinganisa ukuqhutshwa kwe-12.88 mS/cm. Uma inani liyi
kunembile, akudingekile ukwenza ukulinganisa kwephuzu lesi-2. Uma ingalungile, landela izinyathelo kokuthi 7.3 ukuya ku-7.4 ukuze uqedele iphoyinti lesi-2 lokulinganiswa usebenzisa isisombululo sebhafa esingu-12.88 mS/cm. * 1000 µS/cm = 1 mS/cm
8. Isilinganiso Sokuqhuba
Cindezela
ukhiye ukuvula umhloli. Hlanza i-probe emanzini a-distilled futhi uyomise.
Gcoba uphenyo ku-sample solution, gudluza ngobumnene, futhi uyivumele ime isikhashana esixazululweni kuze kube uzinzile
ukufundwa kufinyelelwe. Thola ukufundwa ngemuva
akhuphuke ahlale. Cindezela ukuze usuke
I-Conductivity ku-TDS, kanye ne-Salinity
Amanothi a) Izilinganiso ze-TDS kanye ne-Salinity ziguqulwa kusukela kuzilinganiso ze-conductivity kusetshenziswa isici esithile sokuguqula. b) Umhloli angakwazi ukulinganisa 84S, 1413 S/cm kanye nesixazululo sokulinganisa ukuqhutshwa kwe-12.88 mS/cm. Umsebenzisi angakwazi ukulinganisa amaphuzu angu-1 kuya kwangu-3. Bheka ithebula elingezansi. Ngokuvamile ukulinganisa umhloli ngesixazululo sebhafa ye-conductivity engu-1413 S/cm kuphela kuzohlangabezana nemfuneko yokuhlola.
Amazinga Wokulinganisa Isithonjana Sokulinganisa
Ibanga Lokulinganisa
84 S/cm
0 – 200 S/cm
1413 S/cm
200 – 2000 S/cm
12.88 mS / cm
2 - 20 mS / cm
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c) Umhloli ulinganisiwe ngaphambi kokuphuma efemini. Ngokuvamile, abasebenzisi bangasebenzisa umhloli ngokuqondile noma abasebenzisi bangahlola izixazululo zebhafa yokuqhuba kuqala. Uma iphutha likhulu, khona-ke ukulinganisa kuyadingeka.
d) Ngezixazululo zokulinganisa ukuqhutshwa kwe-conductivity, sincoma ukuthi abasebenzisi bashintshe izixazululo ezintsha ngemva kwezikhathi ezi-5 kuya kweziyi-10 zokusetshenziswa ukuze kugcinwe ukunemba kwesixazululo esijwayelekile. UNGATHELI izixazululo zokulinganisa ezisetshenzisiwe emuva emabhodleleni esixazululo uma kwenzeka ukungcola.
e) Isici sesinxephezelo sezinga lokushisa: Ukusetha okuzenzakalelayo kwezinga lokushisa. isici sesinxephezelo ngu-2.0%/. Umsebenzisi angalungisa isici ngokusekelwe kusixazululo sokuhlola nedatha yokuhlola kusilungiselelo sepharamitha P4.
Isixazululo
I-NaCl 5% NaOH Nciphisa i-ammonia
Isici sesinxephezelo sethempelesha
2.12%/°C 1.72%/°C 1.88%/°C
Isixazululo
I-10% Hydrochloric acid
5% i-Sulfuric acid
Isici sesinxephezelo sethempelesha
1.32%/°C 0.96%/°C
f) 1000 ppm = 1 ppt g) I-TDS kanye ne-conductivity ihlobene nomugqa, futhi isici sayo sokuguqulwa ngu-0.40-1.00. Lungisa isici
ekusethweni kwepharamitha i-P5 ngokusekelwe ezidingweni zezimboni ezahlukene. Ukulungiselelwa okuzenzakalelayo kwefekthri kungu-0.71. Usawoti kanye ne-conductivity kuhlobene nomugqa, futhi isici sakho sokuguqula singu-0.5. Umhloli udinga kuphela ukulinganiswa kumodi ye-Conductivity, bese ngemva kokulinganiswa kokusebenza, imitha ingashintsha ukusuka ekuqhubekiseni ukuya ku-TDS noma usawoti. h) Ukuguqulwa Exampi-le: uma isikali sokuqhuba singu-1000µS/cm, isilinganiso se-TDS esizenzakalelayo sizoba ngu-710 ppm (ngaphansi kwesici sokuguqula esizenzakalelayo esingu-0.71), futhi ubusawoti bube ngu-0.5 ppt. i) Ukuze uthole ulwazi lokuzihlola, sicela ubheke ithebula elingezansi:
Uphawu
Imininingwane Yokuzihlola
Indlela yokulungisa
Isixazululo sebhafa yokuqhuba okungalungile, ethi 1. Hlola ukuthi isixazululo sebhafa silungile yini
idlula ububanzi obubonakalayo be-2. Hlola ukuthi i-electrode yonakele yini.
imitha.
Iphushwa ngaphambi kokulinganisa Linda ukuthi isithonjana sokumamatheka sivele bese
uzinzile (uyakhuphuka ahlale)
cindezela
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9. Ukusetha Ipharamitha
9.1 Ishadi lokusetha
Uphawu
Okuqukethwe Kwipharamitha
P1
Khetha amazinga we-pH buffer
P2
Khetha ukukhiya okuzenzakalelayo
P3
Khetha ilambu langemuva
P4
Isici sesinxephezelo sethempelesha
P5
Isici se-TDS
P6
Usawoti unit
P7
Khetha iyunithi lokushisa
P8
Buyela kokuzenzakalelayo kwasekuqaleni
Ikhodi
I-USA NIST Ivaliwe
Vala - 1 - Ku-0.00 - 4.00% 0.40 - 1.00
ppt – g/L °C – °F Cha Yebo
Okuzenzakalelayo Kwefekthri
I-USA Ivaliwe 1 2.00% 0.71 ppt °F No
9.2 Ukusetha ipharamitha
Lapho icishiwe, cindezela isikhathi eside
ukufaka ipharamitha ukuhlela cindezela kafushane
ukushintsha
I-P1-P2… P8. Cindezela iDemo , ipharamitha ikhanya cindezela kafushane
ukukhetha
ipharamitha, cindezela iDemo
ukuze uqinisekise Cindezela isikhathi eside
9.3 Imiyalo yokuhlela ipharamitha
ukucisha.
a) Khetha isisombululo sebhafa esijwayelekile se-pH (P1): Kunezinketho ezimbili zezixazululo ezijwayelekile zebhafa: uchungechunge lwase-USA nochungechunge lwe-NIST. Bheka ishadi elilandelayo:
Izithonjana
Uchungechunge lwe-pH Standard Buffer Solution
Uchungechunge lwe-USA
Uchungechunge lwe-NIST
Ukulinganiswa kwamaphuzu amathathu
1.68 pH kanye 4.00 pH 7.00 pH
10.01 pH no-12.45 pH
1.68 pH kanye 4.01 pH 6.86 pH
9.18 pH no-12.45 pH
b) Isikhiya esizenzakalelayo (P2):
Khetha okuthi “Vuliwe” ukuze uvule umsebenzi wokukhiya okuzenzakalelayo. Uma ukufunda kuzinzile imizuzwana engaphezu kwe-10, i-
umhloli uzokhiya inani ngokuzenzakalelayo, futhi isithonjana se-HOLD sizovela ku-LCD. Cindezela
ukhiye ku
khansela ukubamba okuzenzakalelayo.
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c) I-Backlight (P3) “Vala”-cisha i-backlight, “Vula”-khanyisa i-backlight, i-1- backlight izothatha iminithi elingu-1. d) Ukulungiselelwa okuzenzakalelayo kwefekthri(P7)
Khetha u- "Yebo" ukuthola ukulinganiswa kwensimbi kunani lethiyori (inani le-pH ku-zero elingaba ngu-7.00, ithambeka lingu-100%), ukusethwa kwepharamitha kubuyela kunani lokuqala. Lo msebenzi ungasetshenziswa lapho insimbi ingasebenzi kahle ekulinganisweni noma ekulinganisweni. Linganisa futhi ulinganise futhi ngemuva kokubuyisela insimbi esimweni sokuzenzakalelayo sefektri.
10. Imininingwane Yezobuchwepheshe
pH
Cond. I-TDS Salinity Temp.
I-Range Resolution Inemba Amaphuzu Wokulinganisa I-Automatic Temperature Compensation
Amaphuzu Okulinganisa Ukulungiswa Kwebanga
Ibanga le-TDS Factor
Ukunemba Kokulungiswa Kwebanga Lobubanzi
-2.00 kuya ku-16.00 pH 0.01 pH
±0.01 pH ±1 idijithi 1 kuya ku-3 amaphoyinti
0 50°C (32 122°F) 0 kuya ku-200.0 S, 0 kuya ku-2000 S,
0 kuya ku-20.00 mS/cm 0.1/1 S, 0.01 mS/cm
± 1% FS
1 kuya ku-3 amaphuzu
0.1 ppm kuye ku-10.00 ppt
0.40 ku1.00
0 kuya ku-10.00 ppt 0 kuya ku-50°C (32-122°F)
0.1°C ±0.5°C
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11. Izimpawu kanye nemisebenzi
Inkomba yamaphuzu okulinganisa: Ukulinganisa Okuzinzile:
Inani lokufunda Okuzenzakalelayo. Khiya: BAMBA Ulwazi Lokuzihlonza: Er1, Er2
I-Low-Voltagisixwayiso: I-backlight enemibala emithathu:
ukukhanya, isikhumbuzo sokushintshwa kwebhethri
Imodi yokulinganisa eluhlaza okwesibhakabhaka; Imodi Yokulinganisa Okuluhlaza; I-Red–Alamu; Okuzenzakalelayo. Cisha kumaminithi angu-8 uma kungekho msebenzi.
12. Ukushintshwa Kwe-Probe
Khipha iringi yophenyo, khipha i-probe, xhuma uphenyo olusha (naka indawo yophenyo), bese ugoqa iringi yophenyo. Izinombolo zemodeli zama-probe ashintshayo ahambisana ne-PC60 yilezi:
· I-PC60-E (I-pH evamile/i-conductivity probe) · I-PC60-DE (i-Double-junction pH/conductivity probe) · PH60-DE (i-doublejunction pH glass bulb probe) · PH60-E (I-pH evamile ye-glass bulb probe) · PH60S -E (I-Spear pH probe yokuhlola okuqinile/okuqinile okuqinile kwe-pH) · PH60F-E (I-Flat pH probe yokuhlola i-pH yendawo) · EC60-E (I-Conductivity probe)
13. Iwaranti
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I-APERA INSTRUMENTS PC60 Premium Multi-Parameter Tester [pdf] Umhlahlandlela wokufaka I-PC60 Premium Multi-Parameter Tester, i-PC60, i-Premium Multi-Parameter Tester, i-Multi-Parameter Tester, i-Parameter Tester, i-Tester |
