Light metering: ka'idar da yi

Za'a iya canza hasken - wannan jiki girma, halin da rabo daga haske juyi ya faru a kan surface ta zuwa ga yankin. Yana ake gane cewa surface jirgin sama ya zama perpendicular zuwa ga haske axis na kwarara.

Bayan da hygienic dabi'u kai tsaye zuwa mutum ma haske ji amfani da dabba husbandry domin samar da wani dace microclimate Inganta, a waddan akwatin kifaye kifi da kuma shuke-shuke ga namo potted shuke-shuke, don bayyana halaye na daukar hoto da bidiyo kayan aiki, ciki har da wani kamarar bidiyo kula.

kafofin daga haske

An sani cewa akwai wata halitta da kuma wucin gadi lighting. Yana halitta da ya dace haske kafofin: yana nufin da na halitta yanayi haske daga sama, ba shakka, da rãnã da nuna hasken da watã. Artificial kafofin - daban-daban fitilu (Lagwani fitilu, sallama fitilu, mai kyalli), TV fuska da kuma kwakwalwa.

Me ya sa muke bukatar mataki illuminance

Lighting - daya daga cikin mafi muhimmanci kiwon lafiya Manuniya, wanda ya dogara kai tsaye a kan mutum kiwon lafiya. haske ji - da hanya ne kunshe a SanPin (tsafta dokoki da ka'idojin da suka shafi), a hankali sanya a wurin aiki daidai da ma'aunai na matakan da amo, vibration, turɓaya da gas samu.

Likitoci suka ce cewa rashin ɗaukar hoto entails a rage a gani acuity, gajiya, rage taro da kuma sauran aiki na iya haifar da ko da wani hatsari. A dabbobi da tsuntsaye haske karanci sa girma cuta, da cin gaban wani mummunan sa na taro na jiki, asarar yawan aiki (ga gona da dabbobi) da kuma ikon haifa.

Ta yaya kuma in abin da raka'a aka auna, wannan jiki yawa

Light metering na'urar da aka yi, wanda ake kira haske mita, mai šaukuwa na'urar wanda yake shi ne irin wani photometer. Modern high-karshen cell wayoyin sun hada da tacewa. Unit haske ji a duniya tsarin raka'a (SI) - suite, wanda shi ne wani rabo daga 1 murabba'in mita zuwa lumen surface area. A lumens auna haske juyi adadin. Amirka da Birtaniya da tsarin yi amfani da irin wannan ma'auni naúrar ma'auni illuminance kamar yadda lumens da square kafar, ƙafa-candela (digiri na haske daga haske Madogararsa ikon 1 candela, spaced 1 kafa daga surface).

Ta yaya ne hasken ji? Wannan ne yake aikata ta yin amfani da haske mita, da mita dole ne na karshe a cikin wani kwance matsayi, sanya shi a cikin so batu na cikin dakin. Domin gine-gine da kuma dabbobi da wuraren, akwai na musamman wajabta ta bayyana matsayin a wurin kula da matakan. Yi amfani da wa'azi ga na'urar lokacin da ake ji bututun ƙarfe dole ne a dauke attenuation factor da wanda sakamakon da aka yawaita. Sa'an nan, daban-daban dabarbari aka lasafta da ƙaramar, talakawan, matsakaicin haske, kazalika da rabo daga halitta haske.