PC60 Premium Multi-Parameter Tester (pH/EC/TDS/Salinity/Temp.) Buka ea Litaelo
Lisebelisoa tsa APERA (Europe) GmbH
www.aperainst.de
V6.4
Kea leboha ha u rekile Apera Instruments PC60 Premium Multi-Parameter Tester. Ka kopo, bala bukana ena ea litaelo ka hloko pele u sebelisa sehlahisoa e le hore u fumane sephetho se nepahetseng le se tšepahalang sa tlhahlobo, 'me u qobe tšenyo e sa hlokahaleng ea mithara kapa probe. Bakeng sa lithupelo tsa video, ka kopo etela www.aperainst.de
Litaba
1. Kemiso ea Betri………………………………………………………………………………………………………………………………………………………………………………. 3 2. Mesebetsi ya Keypad ……………………………………………………………………………………………………………………………… 3. Complete Kit ………………………………………………………………………………………………………………………………… .. 3 4. Tokisetso Pele O Sebelisa 4. Tekanyo ea pH ………………………………………………………………………………………………………………………………. 4 5. Tekanyo ea pH …………………………………………………………………………………………………………………………………… 5 6. Conductivity Calibration …………………………………………………………………………………………………………….. 6 7. Tekanyo ea tšebetso ……………………………………………………………………………………………………….. ……………………………………………………………………………………………………………….. 7 8. Lintlha tsa Setegeniki ……… ………………………………………………………………………………………………………. 7 9. Litšoantšo le Mesebetsi ……………………………………………………………………………………………………………………. 9 10. Probe Replacement ………………………………………………………………………………………………………………….. 10 11 . Tiisetso ……………………………………………………………………………………………………………………………… 11
Ntlafatso ea Tlhokomeliso The PC60 Tester e ncha e tla le sebopeho se ntlafalitsoeng sa probe, se nang le thebe ea sensor e thibelang ho robeha ha tleloubu ea khalase hore e se ke ea thulana ka phoso (sheba setšoantšo se ka tlase). Basebedisi ba ka tlosa thebe ha ba hloekisa sensor mme ba e khutlisetsa ka mor'a ho hloekisa.
Sensor Shield
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1. Ho kenya Battery
Ka kopo kenya libeteri ho latela mehato e latelang. * Ka kopo ela hloko tataiso ea libeteri: Tsohle
MAHLAKORE A MONATE (“+”) A LEBANE. (Ho kenya libeteri hampe ho tla baka tšenyo ho sehlahlobi le likotsi tse ka bang teng)
+ +
--
+ +
--
Hula sekoaelo sa betri hodimo Sulela sekoahelo sa betri ho ya moo ho nang le motsu Bula kepisi ya betri Kenya dibetri (MATLHAKO TSOHLE A POSITI A SHEBILENG) (sheba kerafo) Kwala kepisi ya betri Slide ebe o notlela kepisi ya betri ho ya moo motsu o fellang teng. sekoahelo sa motho ea lekang ha o ntse o etsa bonnete ba hore o sutumelletsa ho theosa kaofela. Ea hlahlobang
moralo o sa keneleng metsi o ka senyeha haeba kepisi e sa kengoa hantle.
2.Mesebetsi ea Keypad
Tobetsa nako e kgutshwane—— < metsotswana e 2 , Tobetsa nako e telele——- > metsotswana e 2
Betri
1.Short tobetsa ho bulela tester le ho tobetsa nako e telele ho tima tester. 2.Ha o timilwe, tobetsa nako e telele ho kenya tlhophiso ya paramethara. 3. Boemong ba ho metha, tobetsa hakgutshwane ho bulela backlight.
1.Mokhoeng oa ho lekanya, tobetsa hakhutšoanyane ho switjha parameter pHCONDTDSSAL 2.Ka mokhoa oa ho beha, tobetsa hakhutšoanyane ho fetola parameter (Unidirectional)
1. Tobetsa nako e telele ho kenya mokhoa oa ho lekanya. 2. Mokgweng wa ho lekanya, tobetsa hakgutshwane ho netefatsa tekanyo. 3.Ha boleng bo lekantsoeng bo notletsoe, tobetsa ho
notlolla;
Likonopo tsa LCD Probe Cap
Hlahloba
Sensor ea pH BPB Sensor
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3. Complete Kit
Setšoantšo - 2
4. Ho Itokisa Pele U Sebelisa
Haeba e le ts'ebeliso ea lekhetlo la pele kapa sehlahlobi ha se e-so sebelisoe nako e telele, tšela tharollo ea 3M KCL ka har'a cap cap (e ka bang 1/5 ea sekoaelo sa probe) 'me u kolobise lipatlisiso ka metsotso e 15-30. Ha e sa sebelisoe, re khothaletsa ho boloka pH probe ka polokelong ea 3M KCL tharollo ka har'a cap ea probe ho boloka ho nepahala ha sensor. Empa leha e bolokiloe e omme, e ke ke ea baka tšenyo e sa feleng ho sensor. E tla etsa hore ka nakoana feela probe e lahleheloe ke kutloisiso ea eona, e ka lulang e tsosolosoa ka ho kenella ka tharollo ea polokelo. Tharollo ea polokelo ke 3M KCL (potassium chloride). Botlolo e le 'ngoe ea tharollo ea 10mL ea polokelo e tla le lisebelisoa tsa tester. Haeba tharollo ea ho inela e ne e silafalitsoe, ka kopo nkela e ncha ka nako. * U SE KE UA sebelisa litharollo tsa polokelo ea mofuta ofe kapa ofe hobane ho ka sebelisoa lik'hemik'hale tse fapaneng 'me ho ka ba le ts'enyehelo ea ka ho sa feleng methareng.
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5. pH Calibration
Lintho tse hlokahalang ho phaella ho tse ka lebokoseng: · Komiki e hloekileng, · metsi a qhibilihisitsoeng (8-16oz) · le lipampiri tsa ho hlatsoa · ho omisa probe
5.1 Tobetsa nakoana
ho bulela mithara; Hlatsoa sesebelisoa ka metsi a futhumetseng, sisinya meter
moea 'me u sebelise pampiri ea linama ho thella metsi a mangata (le ka mohla u se ke ua itlotsa kapa ua hlakola sensor). 5.2 Tšela palo e itseng (hoo e ka bang halofo ea botlolo ea botlolo ea calibration) ea pH 7.00 le pH 4.00
tharollo ea buffer ka libotlolong tse fapaneng tsa calibration;
5.3 Tobetsa nako e telele
ho kenya mokhoa oa calibration; Tobetsa e khutšoanyane
ho tsoa.
5.4 Kenya sehlaseli ka pH7.00 tharollo ea buffer, hlohlelletsa ka bonolo, 'me u se lumelle hore se eme ka har'a tharollo ea buffer ho fihlela ho fihleloa ho bala ho tsitsitseng. Ha e tsitsitse
letšoao le hlahisoa skrineng sa LCD (joalokaha ho bontšitsoe setšoantšong sa 3), se khuts'oane
tobetsa ho tlatsa tekanyo ea lintlha tse 1 ebe molekoli o khutlela ho
Setšoantšo - 3
mokhoa oa ho metha. Letšoao la Pontšo
e tla hlaha ka tlase letsohong le letšehali la
skrine ea LCD.
5.5 Hlatsoa probe ka metsi a hloekisitsoeng 'me ue omise. Tobetsa nako e telele ho kenya mokhoa oa ho lekanya. Dip
phuputso ho pH 4.00 buffer solution, hlohlelletsa ka bonolo, 'me u e lumelle hore e eme ka har'a tharollo ea buffer.
Ha letšoao le tsitsitseng le hlahisoa skrineng sa LCD, tobetsa hakhutšoanyane ho tlatsa lintlha tse 2
calibration mme mohlahlobi o khutlela mokhoeng oa ho metha. Letšoao la pontšo
e tla hlaha
ka tlase letsohong le letšehali la skrine ea LCD. 5.6 Ha ho hlokahala, hlatsuoa ka metsing a hloekisitsoeng, 'me u o omise,' me u ina sekheo ka har'a buffer ea 10.01.
tharollo (e rekisoang ka thoko) ho tlatsa ntlha ea 3 ea ho lekanya ho latela mehato e ho 5.5,
e tla hlaha ka tlase letsohong le letšehali la LCD.
Lintlha
a) Tester e tla lemoha tharollo ea pH buffer ka bo eona. Basebelisi ba ka etsa calibration ea ntlha e le 'ngoe, lintlha tse peli kapa tse tharo. Empa bakeng sa tekanyo ea ntlha ea 1, ho ka sebelisoa tharollo ea pH ea 7.00 feela. Ebe u sebelisa litharollo tse ling tsa buffer ho tsamaisa 2nd kapa 3rd point calibration. Tester e tla lemoha ka bo eona mefuta e 5 ea tharollo ea pH buffer. Sheba tafole e ka tlase:
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Tekanyetso
Letoto la USA
1-ntlha 2-ntlha 3-ntlha
1) 7.00 pH
1) 7.00 pH 2) 4.00 kapa 1.68 pH
1) 7.00 pH 2) 10.01 kapa 12.45 pH
1) 7.00 pH 2) 4.00 kapa 1.68 pH 3) 10.01 kapa 12.45 pH
Letoto la NIST
1) 6.86 pH
1) 6.86 pH, 2) 4.01 pH kapa
1.68 pH 1) 6.86 pH, 2) 9.18 pH kapa 12.45 pH 1) 6.86pH 2) 4.01 kapa 1.68pH, 3) 9.18 pH kapa 12.45 pH
Setšoantšo sa Calibration
Recommended Ho nepahala le
Range
Ho nepahala 0.1 pH
Tekanyo Range7.00
pH
Litekanyo Range7.00pH
Bophara ba ho Lekanya
Range
b) Bakeng sa litharollo tsa "buffer" tsa pH Calibration, re khothaletsa hore basebelisi ba nke sebaka sa tharollo ea buffer e ncha ka mor'a makhetlo a 10 ho isa ho a 15 ho boloka sekheo se tloaelehileng se nepahetse. U SE KE UA tšela litharollo tse sebelisitsoeng ka har'a libotlolo tsa tharollo haeba ho ka ba le tšoaetso.
c) Ts'ebetso ena ea pH HA E TLA fana ka lipalo tse nepahetseng le tse tsitsitseng bakeng sa metsi a kolobisitsoeng kapa a hloekisitsoeng. Lebaka ke hobane metsi a hloekisitsoeng le a hloekisitsoeng ha a na li-ion tse lekaneng tse teng hore eleketrode e sebetse hantle. Lisebelisoa tse khethehileng tsa pH li hloka ho sebelisoa bakeng sa tekanyo ea metsi a hloekisitsoeng / deionized. Ikopanye le rona ho info@aperainst.de bakeng sa lintlha tse ling.
d) Ha u lekola metsi a hloekisitsoeng joalo ka metsi a selemo kapa metsi a nooang, ho tla nka nako e telele hore lipalo li tsitse (hangata metsotso e 3-5) hobane ho na le li-ion tse fokolang haholo tse lokelang ho bonoa ke sensor metsing ao a hloekisitsoeng.
e) SE KE UA boloka probe ea pH metsing a silafetseng ho thibela tšenyo e sa feleng ea probe. f) Ho fumana lintlha tsa ho itlhahloba, ka kopo sheba tafole e ka tlase:
Letšoao
Boitsebiso ba ho Itlhahloba
Mekhoa le mekhoa ea ho e lokisa
Tharollo e fosahetseng ea calibration kapa mefuta e mengata ea tharollo ea calibration e feta e tloaelehileng.
a) Sheba hore na tharollo ea calibration e nepahetse (1st point of pH calibration e tlameha ho ba pH 7.00) b) Sheba hore na elektrode e senyehile. c) Sheba hore na ho na le bubble ea moea ka har'a sensor ea bulb ea khalase ea pH
E sutumetsoa pele tekanyo e fihla Emela hore letšoao la pososelo le tle 'me le lule,
e tsitsitseng (e nyoloha 'me e lula)
ebe o tobetsa
* Haeba u fumana bubble efe kapa efe ea moea ka tleloubung ea khalase ea sensor ea pH, sisinya probe ka makhetlo a 'maloa ho e tlosa. Ho ba teng ha bubble ea moea ka tleloupu ea khalase ho tla baka litekanyo tse sa tsitsang. * Tekanyo ea ntlha ea 1 e tlameha ho ba 7.00 pH. Etsa tlhahlobo ea ntlha ea bobeli (2 pH) hang ka mor'a ntlha ea pele. SE KE UA tima mithara pele u etsa calobration ea 4.00nd point. Haeba mithara e tingoa ka mor'a ho lekanya ntlha ea 1, basebelisi ba tla hloka ho qala tšebetso ea ho lekanya bocha ka 2 pH pele le 1 pH kamora moo. Ho lekanya ka kotloloho ho pH 7.00 kamora ho tima mitha le ho bulela ho tla baka Er4.00.
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6.pH Tekanyo
Tobetsa nakoana ho bulela tester. Hlatsoa probe ka metsi a silafetseng 'me ue omise. Kenya phuputso ho sample tharollo, hlohlelletsa ka bonolo, 'me u lumelle hore e eme ka har'a tharollo. Fumana 'malo ka mor'a ho fihla le ho lula.
7. Tekanyetso ea conductivity
7.1 Tobetsa konopo ho fetohela mokgweng wa ho metha ha conductivity. Hlatsoa probe ka metsi a hloekisitsoeng 'me ue omise. 7.2 Tšela tekanyo e itseng (hoo e ka bang halofo ea botlolo ea botlolo ea calibration) ea 1413S/cm le 12.88 mS/cm conductivity calibration solution ka libotlolong tse lumellanang tsa calibration. 7.3 Tobetsa konopo e telele ho kenya mokgwa wa ho lekanya, tobetsa hakgutshwane ho tswa. 7.4 Kenya probe ho 1413 S/cm conductivity calibration solution, hlohlelletsa ka bonolo 'me
e lumelle hore e eme e sa sisinyehe tharollong ho fihlela ho fihleloa 'malo o tsitsitseng. Ha lets'oao le tsitsitseng le hlaha 'me le lula skrineng sa LCD, konopo e khuts'oane ea tobetsa ho tlatsa tekanyo ea ntlha e le' ngoe, mohlahlobi o khutlela mokhoeng oa ho lekanya 'me letšoao la pontšo le tla hlaha ka tlaase ho le letšehali la skrine sa LCD. 7.5 Kamora ho lekanya, inela probe ka har'a 12.88 mS/cm conductivity calibration solution. Haeba boleng bo
e nepahetse, ha ho hlokahale ho etsa calibration ea ntlha ea 2. Haeba e sa nepahale, latela mehato ea 7.3 ho isa ho 7.4 ho phethela ntlha ea bobeli ea ho lekanya o sebelisa tharollo ea 2 mS/cm. * 12.88 µS/cm = 1000 mS/cm
8. Tekanyo ea conductivity
Tobetsa
senotlolo sa ho bulela tester. Hlatsoa probe ka metsi a hloekisitsoeng 'me ue omise.
Kenya phuputso ho sample tharollo, hlohlelletsa ka bonolo, 'me u lumelle hore e eme ka har'a tharollo ho fihlela e tsitsitse
ho baloa ho fihletsoe. Fumana 'malo ka mor'a
a nyoloha 'me a lule. Tobetsa ho switjha ho tloha
Conductivity ho TDS, le letsoai
Lintlha a) Litekanyo tsa TDS le Salinity li fetoloa ho tloha ho litekanyo tsa conductivity ka ntlha e itseng ea phetoho. b) Mohlahlobi a ka lekanya tharollo ea 84S, 1413 S / cm le 12.88 mS / cm conductivity calibration. Mosebelisi a ka tsamaisa lintlha tse 1 ho isa ho tse 3. Sheba tafole e ka tlase. Hangata ho lekanya tester ka tharollo ea 1413 S/cm conductivity buffer feela e tla fihlela tlhoko ea tlhahlobo.
Maemo a ho Lekanya Letšoao la Lits'oants'o
Mekhahlelo ea ho lekanya
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) Mohlahlobi o se o lekoa pele o tloha femeng. Ka kakaretso, basebelisi ba ka sebelisa molekoli ka kotloloho kapa basebelisi ba ka leka litharollo tsa buffer ea conductivity pele. Haeba phoso e le khōlō, joale calibration ea hlokahala.
d) Bakeng sa litharollo tsa calibration ea conductivity, re khothaletsa basebelisi ho khutlisa litharollo tse ncha kamora makhetlo a 5 ho isa ho a 10 ho boloka ho nepahala ha tharollo e tloaelehileng. U SE KE UA tšela litharollo tse sebelisitsoeng ka har'a libotlolo tsa tharollo haeba ho ka ba le tšoaetso.
e) Tekanyo ea matšeliso ea mocheso: Boemo ba kamehla ba mocheso. compensation factor is 2.0%/. Mosebelisi a ka fetola ntlha ho latela tharollo ea liteko le tlhaiso-leseling ea liteko maemong a paramente P4.
Tharollo
NaCl 5% NaOH Hlakola ammonia
Ntlha ea tefo ea mocheso
2.12%/°C 1.72%/°C 1.88%/°C
Tharollo
10% asiti ea Hydrochloric
5% asiti ea sebabole
Ntlha ea tefo ea mocheso
1.32%/°C 0.96%/°C
f) 1000 ppm = 1 ppt g) TDS le conductivity li amana le mela, 'me ntlha ea eona ea ho fetola ke 0.40-1.00. Fetola ntlha
ka ho beha paramethara P5 ho ipapisitsoe le litlhoko tsa liindasteri tse fapaneng. Boemo ba kamehla ba feme ke 0.71. Letsoai le conductivity li amana le mela, 'me ntlha ea eona ea phetoho ke 0.5. Teko e hloka feela ho lekanyetsoa ka mokhoa oa Conductivity, ebe ka mor'a ho lekanya conductivity, meter e ka tloha ho conductivity ho ea ho TDS kapa salinity. h) Phetoho Example: haeba tekanyo ea conductivity ke 1000µS/cm, joale tekanyo ea kamehla ea TDS e tla ba 710 ppm (tlas'a ntlha ea kamehla ea 0.71 conversion factor), 'me letsoai le be 0.5 ppt. i) Bakeng sa tlhaiso-leseling ea ho itlhahloba, ka kopo sheba tafole e ka tlase:
Letšoao
Boitsebiso ba ho Itlhahloba
Mokhoa oa ho lokisa
Tharollo e fosahetseng ea buffer, eo 1. Hlahloba hore na tharollo ea buffer e nepahetse
e feta tekanyo e hlokomelehang ea 2. Hlahloba hore na eleketrode e senyehile.
metara.
E sutumetsoa pele tekanyo e ema Emela hore letšoao la pososelo le hlahe hang-hang
e tsitsitseng (e nyoloha 'me e lula)
tobetsa
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9. Boemo ba Parameter
9.1 Ho beha Chate
Letšoao
Likahare tsa ho beha Parameter
P1
Khetha litekanyetso tsa pH buffer
P2
Khetha jarolla ka ho iketsa
P3
Khetha backlight
P4
Ntlha ea tefo ea mocheso
P5
Ntlha ea TDS
P6
Letsoai la letsoai
P7
Khetha mocheso oa mocheso
P8
Khutlela ho default ea feme
Khoutu
USA NIST Off On
Tloha - 1 - Ka 0.00 - 4.00% 0.40 - 1.00
ppt – g/L °C – °F Che E
Feme ea kamehla
USA E Tlohile 1 2.00% 0.71 ppt °F No
9.2 Tlhophiso ea Paramethara
Ha o koetsoe, tobetsa nako e telele
ho kenya parameter ho seta, tobetsa hakgutshwane
ho fetola
P1-P2… P8. Tobetsa Short , parametha e benya tobetsa hakgutshwane
ho khetha
parameter, tobetsa e khutšoanyane
ho netefatsa Tobetsa nako e telele
9.3 Taelo ea ho beha Paramethara
ho tima.
a) Khetha tharollo e tloaelehileng ea pH buffer (P1): Ho na le mekhoa e 'meli ea tharollo e tloaelehileng ea buffer: USA series le NIST series. Sheba chate e latelang:
Litšoantšo
PH Series Series Buffer Solution Series
Letoto la USA
Letoto la NIST
Tlhaloso ea lintlha tse tharo
1.68 pH le 4.00 pH 7.00 pH
10.01 pH le 12.45 pH
1.68 pH le 4.01 pH 6.86 pH
9.18 pH le 12.45 pH
b) Senotlolo sa boiketsetso (P2):
Khetha "Bule" ho kenya ts'ebetso ea senotlolo sa auto. Ha ho bala ho tsitsitse ho feta metsotsoana e 10, the
tester e tla notlela boleng ka bo eona, 'me letšoao la HOLD le tla hlaha ho LCD. Tobetsa
senotlolo ho
hlakola auto hold.
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c) Backlight (P3) "Tima" - tima "backlight", "On" - bulela backlight, 1- backlight e tla tšoarella motsotso o le mong. d) Litlhophiso tsa kamehla tsa feme (P1)
Khetha "Ee" ho khutlisetsa khakanyo ea sesebelisoa molemong oa theoretical (boleng ba pH ho zero e ka bang 7.00, letsoapo ke 100%), paramethara e khutlelang boleng ba pele. Mosebetsi ona o ka sebelisoa ha sesebelisoa se sa sebetse hantle ka ho lekanya kapa ho lekanya. Kala le ho lekanya hape kamora ho khutlisa sesebelisoa ho boemo ba mantlha ba feme.
10. Lintlha tsa Setegeniki
pH
Cond. TDS Salinity Temp
Range Resolution Accuracy Calibration Points Automatic Mocheso Matšeliso
Range Resolution Accuracy Calibration Points
Range TDS Factor
Range Range Resolution Ho nepahala
-2.00 ho 16.00 pH 0.01 pH
±0.01 pH ± 1 lintlha tse 1 ho isa ho tse 3
0 50°C (32 122°F) 0 ho isa 200.0 S, 0 ho isa 2000 S,
0 ho isa ho 20.00 mS/cm 0.1/1 S, 0.01 mS/cm
± 1% ea FS
Lintlha tse 1 ho isa ho tse 3
0.1 ppm ho isa 10.00 ppt
0.40 ho ea ho 1.00
0 ho isa 10.00 ppt 0 ho 50°C (32-122°F)
0.1°C ±0.5°C
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11. Litšoantšo le Mesebetsi
Pontšo ea lintlha tsa calibration: Tekanyo e tsitsitseng:
Boleng ba ho bala Auto. Senotlolo: TŠOARA Boitsebiso ba ho Itlhahloba: Er1, Er2
Tlase ea Voltagtemoso ea e: Lebone la morao la Mebala e meraro:
flashes, khopotso ea ho fetola betri
Mokhoa oa ho Lekanya Boputsoa; Mokhoa oa ho lekanya botala; Khubelu-Alamo; Auto. Koala ka mor'a metsotso e 8 haeba ho se na opereishene.
12. Phetoho ea Probe
Hlakola selikalikoe sa probe, u ntše polaka, u kenye sekheo se secha (ela hloko boemo ba probe), 'me u phuruele lesale la ho hlahloba. Linomoro tsa mohlala tsa li-probes tse ncha tse lumellanang le PC60 ke:
· PC60-E (Regular pH/conductivity probe) · PC60-DE (Double-junction pH/conductivity probe) · PH60-DE (Double-junction pH glass bulb probe) · PH60-E (Regular pH glass bulb probe) · PH60S -E (Lerumo pH probe bakeng sa solids/semi-solds pH tekolo) · PH60F-E (Flat pH probe bakeng sa holim'a pH tekolo) · EC60-E (Conductivity probe)
13. Tiisetso
Re fana ka tumello ea hore sesebelisoa sena se lokolohe mefokolong ea lintho tse bonahalang le mosebetsing 'me re lumellane ho lokisa kapa ho nkela sebaka mahala, ka khetho ea APERA INSTRUMENTS (Europe) GmbH, sehlahisoa sefe kapa sefe se sa sebetseng hantle kapa se senyehileng se hlahisoang ke boikarabello ba APERA INSTRUMENTS (Europe) GmbH bakeng sa nako ea LILEMO TSE PEDI (LIKHOELI TSE TŠARO bakeng sa probe) ho tloha pele ho pepa.
Tiisetso ena e lekanyelitsoeng ha e koahele litšenyehelo leha e le life ka lebaka la: Lipalangoang, polokelo, tšebeliso e fosahetseng, ho hlōleha ho latela litaelo tsa sehlahisoa kapa ho etsa ts'ebetso leha e le efe ea thibelo, liphetoho, ho kopanya kapa ho sebelisa lihlahisoa leha e le life, thepa, mekhoa, tsamaiso kapa taba e 'ngoe e sa fanoeng. kapa tse lumelletsoeng ka lengolo ke rona, ho lokisoa ntle ho tumello, ho taboha ho tloaelehileng, kapa mabaka a kantle joalo ka likotsi, tlhekefetso, kapa liketso tse ling kapa liketsahalo tse fetang taolo ea rona.
APERA INSTRUMENTS (Europe) GmbH Wilhelm-Muthmann-Straße 18, 42329 Wuppertal Germany info@aperainst.de | www.aperainst.de | Mohala +49 202 51988998
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Litokomane / Lisebelisoa
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