Nk'uko icyifuzo cyaeuburibweskugirasigitiliburyo Bikomeje kwiyongera, gupima lumens bigira uruhare runini mu gusuzuma akamaro k'urumuri rudahungabanya ibidukikije. Mu kugereranya umusaruro w'urumuri rw'amatara asanzwe akoresha incandescent n'uwo gukoresha LED cyangwa CFL bigezweho, imiryango n'abafata ibyemezo bashobora gufata ibyemezo bisobanutse neza kugira ngo bagabanye ikoreshwa ry'ingufu no kugabanya ingaruka ku bidukikije.
Nkuko twese tubizi, uko ikoranabuhanga rikomeza gutera imbere, imikorere y'ibicuruzwa izakomeza kwiyongera buhoro buhoro. Ariko, bitewe n'iterambere rikomeje kwiyongera rya interineti, ibicuruzwa biravangwa, kandi amakuru atari yo atuma abantu batangazwa. Ibi byose bituma bigorana guhitamo ibicuruzwa bihuye n'ibyo dukeneye. Abakiriya banjye benshi ntibasobanukiwe neza igitekerezo cya lumens kandi bahora bambaza niba hari amatara afite lumens 10.000 cyangwa arenga lumens 10.000. Hamwe n'ibi bisubizo, kugira ngo abakiriya barusheho gusobanukirwa neza ibijyanye na lumens.
Mbere na mbere, lumens (zigaragazwa nka lm) zigaragaza ingano y'urumuri rugaragara rutangwa n'isoko y'urumuri kuri buri gice cy'igihe. Mu magambo y'abantu basanzwe, ni ukureba urumuri rw'itara. Bitandukanye na watts, zipima ingufu zikoreshwa n'itara, lumens zipima by'umwihariko urumuri rutangwa. Iri tandukaniro ni ingenzi kuko rituma abaguzi bafata ibyemezo bisobanutse neza mu gihe bahitamo ibikoresho by'urumuri, bakareba ko bahitamo urumuri rukwiye ibyo bakeneye byihariye.
Igitekerezo cya lumens gishingiye kuri fotometri, siyansi yibanda ku gupima urumuri rugaragara rubonwa n'ijisho ry'umuntu. Binyuze mu isuzuma rikomeye rya siyansi n'isesengura, abashakashatsi bashyizeho uburyo busanzwe bwo kumenya neza umusaruro wa lumens z'amasoko atandukanye y'urumuri. Ubu buryo bwa siyansi bwemeza ko gupima lumens bihoraho kandi byizerwa, buha abaguzi ishingiro ryizewe ryo kugereranya ibicuruzwa bitandukanye by'urumuri.
Ariko lumens nazo zifite aho zigarukira mu mikoreshereze yazo. Mu by'ukuri, ku isoko rya none, abantu bahora babona amatara afite lumens 10.000 cyangwa ndetse n'ibihumbi amagana bya lumens. Ariko mu by'ukuri, biragoye ko amatara agera kuri uru rwego rwa lumens, tutibagiwe no kuyakomeza. Nubwo haba hari urwego rwo hejuru nk'urwo, nka lumens 10.000, igihe ntarengwa cyayo ni nk'isegonda rimwe, kandi iyo umukoresha afunguye switch, ni byiza gufunga amaso yawe, kuko urwo rumuri ruzakwangiza amaso yawe. Iyo rugeze ku isegonda rimwe, urumuri rwa uLtrabiburyofitara ry'urumuriizagenda igabanuka buhoro buhoro uko igihe kigenda, ndetse zimwe zizagabanuka cyane. Niba itara rishaka gukoreshwa buri gihe kuri lumens 10.000, ipaki yaryo yo hanze izashyuha, kandi bitewe n'uko uruhu rw'umuntu rwihanganira, ntibishoboka kurifata kandi byakwangiza. Kandi ikoranabuhanga ririho ubu ntirishobora kuzuza ibi bisabwa. Iyo ucanye lumens 10.000 z'urumuri ku mpapuro, impapuro zizahita zishya nyuma y'iminota mike.
Ariko hari n'ibintu bigera ku bihumbi mirongo bya lumens, nkahighpumwendawikigolamatara, nasizubapumwendalamplifier, ariko si bose bashobora kubigeraho. Niba ushaka ko itara rigumana urumuri runaka buri gihe, hagati ya 500LM na 1000LM mu by'ukuri ni amahitamo meza. Kandi urumuri ruri muri uru rwego rusanzwe rurabagirana cyane. Iyo ukoresheje itara, ipaki yaryo yo hanze irashyuha gato, ariko umubiri w'umuntu ntushobora kuyumva. Itara rishyuha kuko gukoresha urumuri rwinshi buri gihe bizatuma ubushyuhe bwiyongera kandi bukomeze gukwirakwira ku itara. Mu buryo bufatika, gusobanukirwa urumuri ni ingenzi mu guhitamo igisubizo cy'urumuri cyujuje ibisabwa byihariye. Urugero, iyo uhisemo itara ryo mu cyumba cyo kubamo, abantu bashobora kureba ku gipimo cya lumen kugira ngo barebe urwego rw'urumuri rukwiriye umwanya. Mu buryo nk'ubwo, mu bidukikije byo hanze nko mu busitani cyangwa mu nzira, urumuri rusohoka rwasizubalandscapelgukingirabishobora gusuzumwa neza kugira ngo hagerwe ku rumuri rwifuzwa. Mu gushyira igitekerezo cya lumens mu gufata ibyemezo, abantu bashobora kunoza amahitamo y'urumuri kugira ngo bakore neza kandi bakoreshe ingufu neza.
Igihe cyo kohereza: Nyakanga-11-2024