Emkhakheni we-metrology nokulinganisa, ukukhetha izisindo ezifanele kubalulekile ukuze uqinisekise izilinganiso ezinembile. Kungakhathaliseki ukuthi isetshenziselwa ukulinganisa ibhalansi ye-elekthronikhi enembayo ephezulu noma izinhlelo zokusebenza zokulinganisa zemboni, ukukhetha isisindo esifanele akuthinti nje kuphela ukwethembeka kwemiphumela yokulinganisa kodwa futhi kuthinta ngokuqondile ukusebenza kahle kokusebenza nokugcinwa kwamazinga okulinganisa. Ngakho-ke, ukuqonda amabanga ahlukene anemba, ububanzi bokusebenza kwawo, kanye nendlela yokukhetha kahle izisindo ezifanele kuyisihloko esibalulekile kuwo wonke unjiniyela we-metrology kanye no-opharetha wezinto zokusebenza.
I. Izidingo Zokuhlukaniswa Kwesisindo Nezinemba
Izisindo zihlukaniswa ngokusekelwe ku-International Organization of Legal Metrology (OIML) standard “OIML R111”. Ngokwaleli zinga, izisindo zihlukaniswa ngamamaki amaningi ukusuka kweliphezulu ukuya kwelincane ukunemba. Ibanga ngalinye linezimo zalo zohlelo lokusebenza kanye nephutha elikhulu elivumelekile (MPE). Ukunemba kwamabanga ahlukene, izinhlobo zezinto ezibonakalayo, ukufaneleka kwendawo ezungezile, nezindleko ziyahlukahluka kakhulu.
1. Amabanga Esisindo Esibalulekile Achaziwe
(1)I-E1 ne-E2 Amabanga: I-Ultra-High Precision Weights
Izisindo zebanga le-E1 ne-E2 ziyingxenye yokunemba okuphezulu kakhulu futhi zisetshenziswa ngokuyinhloko kumalabhorethri e-metrology kazwelonke nakwamanye amazwe. Iphutha eliphakeme elivunyelwe lesisindo sebanga le-E1 ngokuvamile lingamamiligremu angu-±0.5, kuyilapho izisindo zebanga le-E2 zine-MPE engu-±1.6 milligrams. Lezi zisindo zisetshenziselwa ukudluliswa kwekhwalithi eqinile kakhulu futhi zivame ukutholakala kumalabhorethri ayinkomba, izikhungo zocwaningo, kanye nezinqubo zikazwelonke zokulinganisa ikhwalithi. Ngenxa yokunemba kwazo okwedlulele, lezi zisindo zivame ukusetshenziselwa ukulinganisa amathuluzi anemba njengamabhalansi okuhlaziya namabhalansi ereferensi.
(2)Amabanga e-F1 kanye ne-F2: Isisindo Sokunemba Okuphezulu
Izisindo zebanga le-F1 kanye ne-F2 zisetshenziswa kakhulu kumalabhorethri anembe kakhulu nasezikhungweni zokuhlola i-metrology esemthethweni. Ngokuyinhloko zisetshenziselwa ukulinganisa amabhalansi e-elekthronikhi anembayo, amabhalansi okuhlaziya, namanye amadivayisi wokulinganisa ukunemba. Izisindo zebanga le-F1 zinephutha elikhulu lamamiligremu angu-±5, kuyilapho izisindo zebanga le-F2 zivunyelwe iphutha lamamiligremu angu-±16. Lezi zisindo zivame ukusetshenziswa ocwaningweni lwesayensi, ekuhlaziyweni kwamakhemikhali, nasezinkundleni zokulawula ikhwalithi, lapho kudingeka khona ukunemba kokulinganisa kodwa hhayi okuqinile njenge-E1 ne-E2 amamaki.
(3)M1, M2, kanye ne-M3 Amabanga: Izisindo Zezimboni Nezohwebo
Izisindo zebanga le-M1, M2, kanye ne-M3 ngokuvamile zisetshenziswa ekukhiqizeni kwezimboni nasekuthengiseni ezentengiso. Afanele ukulinganisa izikali ezinkulu zezimboni, amabhuloho esisindo samaloli, izikali zepulatifomu, nezikali ze-elekthronikhi zokuhweba. Izisindo zebanga le-M1 zinephutha elivumelekile lamamiligremu angu-±50, izisindo zebanga le-M2 zinephutha lamamiligremu angu-±160, futhi izisindo zebanga le-M3 zivumela iphutha lamamiligremu angu-±500. Lezi zisindo zochungechunge lwe-M zivame ukusetshenziswa ezindaweni ezivamile zezimboni nezokuhlela, lapho izimfuneko zokunemba ziphansi, ngokuvamile ekukaleni impahla eyinqwaba nezimpahla.
2. Ukukhetha Okubalulekile: Insimbi Engagqwali vs. I-Cast Iron Weights
Izinto zezisindo zithinta ngqo ukuqina kwazo, ukuzinza, nokufaneleka kwezinhlelo zokusebenza ezihlukene. Izinto ezisetshenziswa kakhulu izisindo insimbi engagqwali nensimbi ekhonjiwe, ngayinye ifaneleka ngokwezidingo zokulinganisa ezahlukene kanye nezindawo.
(1)Izisindo Zensimbi Engagqwali:
Izisindo zensimbi engagqwali zinikeza ukumelana okuphezulu nokugqwala kanye nezakhiwo ezisezingeni eliphakeme zemishini, ezinobuso obushelelezi okulula ukuzihlanza. Ngenxa yokufana kwazo nokuzinza, izisindo zensimbi engagqwali zilungele amamaki E1, E2, F1, kanye ne-F2 futhi asetshenziswa kakhulu ekukaleni okunembayo nasezindaweni zocwaningo. Lezi zisindo ziqinile futhi zingagcina ukunemba kwazo isikhathi eside ezindaweni ezilawulwayo.
(2)I-Cast Iron Weights:
Izisindo zensimbi ye-cast ngokuvamile zisetshenziswa kumabanga angu-M1, M2, kanye ne-M3 futhi zivamile esilinganisweni semboni kanye nemisebenzi yezentengiso. Ukusebenza kahle kwezindleko kanye nokuminyana okuphezulu kwe-cast iron kuyenza ibe yinto efanelekile yezisindo ezinkulu ezisetshenziswa kumabhuloho okulinganisa amaloli kanye nemishini yokukala yezimboni. Kodwa-ke, izinsimbi zensimbi ezisansimbi zivame ukuba nendawo emangelengele, ethambekele ekubeni ne-oxidation kanye nokungcola, futhi ngaleyo ndlela zidinga ukugcinwa nokuhlanza njalo.
II.Ungalikhetha Kanjani Ibanga Lesisindo Esilungile
Lapho ukhetha isisindo esifanele, udinga ukucabangela isimo sohlelo lokusebenza, izidingo ezinembayo zezinto zokusebenza, nezimo ezithile zendawo yokulinganisa. Nazi ezinye izincomo zezinhlelo zokusebenza ezijwayelekile:
1. Amalabhorethri ane-Ultra-High Precision:
Uma uhlelo lwakho lokusebenza lubandakanya ukudluliswa kwesisindo okunembe kakhulu, cabanga ukusebenzisa izisindo zebanga E1 noma E2. Lokhu kubalulekile ekulinganisweni kwekhwalithi ejwayelekile kazwelonke namathuluzi esayensi anembe kakhulu.
2. Ibhalansi ye-elekthronikhi enembe kakhulu namabhalansi okuhlaziya:
Izisindo zebanga le-F1 noma le-F2 zizokwanela ukulinganisa amadivayisi anjalo, ikakhulukazi emikhakheni efana nekhemistri nemithi lapho kudingeka khona ukunemba okuphezulu.
3. Izilinganiso Zezimboni Nezentengiso:
Ezikalini zezimboni, izikali zamaloli, nezikali zikagesi ezinkulu, izisindo zebanga le-M1, M2, noma i-M3 zifaneleka kakhulu. Lezi zisindo zidizayinelwe izilinganiso ezijwayelekile zezimboni, ezinamaphutha avumelekile amakhudlwana.
III.Ukugcinwa Kwesisindo Nokulinganisa
Ngisho nesisindo esinembayo esiphezulu, ukusetshenziswa kwesikhathi eside, izinguquko zemvelo, nokuphatha okungalungile kungaholela ekuhlukeni kokunemba. Ngakho-ke, ukulinganisa okuvamile nokugcinwa kubalulekile:
1. Isondlo sansuku zonke:
Gwema ukuthintana okuqondile nezisindo ukuze uvimbele uwoyela nezinto ezingcolisayo ukuthi zingathinti indawo yazo. Kunconywa ukusebenzisa indwangu ekhethekile ukuze usule izisindo ngobumnene futhi uzigcine endaweni eyomile, engenalo uthuli ukuvimbela umswakama nothuli ekuguquleni ukunemba kwazo.
2. Ukulinganisa Okuvamile:
Ukulinganisa okuvamile kubalulekile ukuze kugcinwe ukunemba kwezisindo. Izisindo ezinemba okuphezulu ngokuvamile zidinga ukulinganiswa minyaka yonke, kuyilapho izisindo zochungechunge lwe-M ezisetshenziselwa izilinganiso zemboni kufanele nazo zikalwe minyaka yonke noma kancane ngonyaka ukuze kuqinisekiswe ukuthi zihlangabezana nezindinganiso zokunemba.
3. Izikhungo Zokulinganisa Eziqinisekisiwe:
Kubalulekile ukukhetha isevisi yokulinganisa eqinisekisiwe ene-ISO/IEC 17025 accreditation, eqinisekisa ukuthi imiphumela yokulinganisa iyalandeleka emhlabeni jikelele. Ukwengeza, ukusungula amarekhodi okulinganisa kungasiza ukulandelela izinguquko ekunembeni kwesisindo nokunciphisa izingozi zokulinganisa.
Isiphetho
Izisindo zingamathuluzi abalulekile ekukaleni nasekulinganisweni, futhi amamaki awo okunemba, izinto ezisetshenziswayo, kanye nobubanzi bokusebenza bunquma ukusebenza kahle kwazo emikhakheni ehlukene. Ngokukhetha isisindo esifanele ngokusekelwe ezidingweni zakho zohlelo lokusebenza nokulandela izinqubo ezifanele zokunakekela nokulinganisa, ungaqinisekisa ukunemba nokuthembeka kwenqubo yokulinganisa. Kusukela ku-E1, E2 kuya ku-M uchungechunge lwesisindo, ibanga ngalinye linesimo salo esikhethekile sohlelo. Lapho ukhetha isisindo, kufanele ucabangele ngokugcwele izidingo zokunemba, izinhlobo zemishini, nezici zemvelo ukuze uqinisekise imiphumela yokulinganisa ezinzile esikhathini eside.
Isikhathi sokuthumela: Nov-26-2025