Izisindo zokulinganisaziyithuluzi elibalulekile ezimbonini ezifana nemithi, ukukhiqizwa kokudla, kanye nokukhiqiza. Lezi zisindo zisetshenziselwa ukulinganisa izikali kanye nezilinganiso ukuqinisekisa ukulinganisa okunembile. Izisindo zokulinganisa ziza ngezinto ezahlukene, kodwa insimbi engagqwali iyinto esetshenziswa kakhulu ngenxa yokuqina kwayo kanye nokumelana nokugqwala.
Ukuqinisekisa ukuthi izisindo zokulinganisa ziyahlangabezana nezindinganiso zomkhakha, zenziwa ngokwezindinganiso zomhlaba wonke ezifana ne-OIML (International Organisation of Legal Metrology) kanye ne-ASTM (American Society for Testing and Materials). Lezi zindinganiso ziqinisekisa ukuthi izisindo zinembile, zithembekile, futhi ziyahambisana.
Izisindo zokulinganisa zitholakala ngobukhulu obuhlukahlukene kanye nezigaba zesisindo, kusukela ezisindweni ezincane ezisetshenziswa emalabhorethri kuya ezisindweni ezinkulu ezisetshenziswa ezindaweni zezimboni. Izisindo zivame ukuphawulwa ngesisindo sazo, isigaba sesisindo, kanye nezinga ezihlangabezana nalo.
Ngaphezu kwezisindo zokulinganisa ezijwayelekile, kukhona nezisindo ezikhethekile ezisetshenziswa ezimbonini ezithile. Isibonelo, imboni yezokwelapha idinga izisindo ezilandelelwa yiNational Institute of Standards and Technology (NIST) ukuqinisekisa ukunemba kanye nokungaguquguquki ekukhiqizweni kwemithi.
Izisindo zokulinganisa zidinga ukuphathwa kahle nokugcinwa kahle ukuze zigcine ukunemba kwazo. Kufanele ziphathwe ngokucophelela futhi zigcinwe endaweni ehlanzekile, eyomile ukuze kuvinjelwe ukungcola nomonakalo. Ukulinganisa njalo izisindo zokulinganisa nakho kuyadingeka ukuqinisekisa ukunemba kwazo ngokuhamba kwesikhathi.
Ekuphetheni,izisindo zokulinganisaiyithuluzi elibalulekile ezimbonini ezahlukahlukene ukuqinisekisa ukulinganisa okunembile. Insimbi engagqwali iyinto esetshenziswa kakhulu ekulinganiseni izisindo ngenxa yokuqina kwayo kanye nokumelana nokugqwala. Izindinganiso zomhlaba wonke ezifana ne-OIML kanye ne-ASTM ziqinisekisa ukuthi izisindo zokulinganisa zinembile, zithembekile, futhi ziyahambisana. Ukuphathwa kahle, ukugcinwa, kanye nokulinganisa njalo kuyadingeka ukuze kugcinwe ukunemba kwezisindo zokulinganisa ngokuhamba kwesikhathi.
Isikhathi sokuthunyelwe: Ephreli-25-2023