Beam lub kaum sab xis, uas txiav txim siab seb qhov pom ntawm thaj chaw lossis cov khoom yog li cas, los ntawm kev txhais, yog kev ntsuas seb lub teeb faib li cas. Nws tuaj yeem raug xa mus rau raws li kab teeb kis. Lub teeb cones tsis txwv rau "nruj heev" thiab "dav heev." Muaj tag nrho ntau yam, uas peb piav qhia txog qhov no li "beam angle." Qhov zoo ntawm lub kaum sab xis ntawm lub kaum sab xis tuaj yeem muab rau koj hom ambience thiab visibility.
Qhov sib txawv tseem ceeb ntawm cov teeb pom kev zoo thiab cov teeb pom kev zoo yog tias cov teeb pom kev nyab xeeb muaj lub teeb dav dav thaum lub teeb tsom teeb nqaim. Thaum kawg, koj lub hom phiaj tseem ceeb hauv kev xaiv lub kaum sab xis yog kom tau txais qhov zoo tshaj plaws uniformity thiab nruab qhov tsawg tshaj plaws teeb raws li qhov ua tau. Beam lub kaum sab xis tuaj yeem hloov pauv los ntawm qhov sib txawv reflectors lossis lo ntsiab muag. Lub kaum sab xis zoo tshaj plaws ntawm koj lub LED yog txiav txim siab los ntawm qhov kev ncua deb ntawm lub teeb qhov chaw thiab lub hom phiaj rau illumination. Feem ntau hais lus, qhov deb ntawm lub teeb ci yog los ntawm lub hom phiaj, qhov me me ntawm lub kaum sab xis yuav tsum tau ua kom pom qhov chaw zoo. Qhov siab dua qhov mounting qhov siab, qhov nqaim ntawm lub nqaj; Qhov dav qhov sib txawv, qhov dav dav ntawm lub nqaj.
Beam kis tau raug txheeb xyuas los ntawm muab lawv tso rau hauv ib qho ntawm peb pawg: nqaim, nruab nrab, thiab dav. Yuav kom paub meej ntxiv, lawv tuaj yeem raug txheeb xyuas raws li: Qhov Narrow Heev (<7 degrees),narrow="" spot(7-15="" degrees),spot(16-22="" degrees),narrow="" flood(23-32="" degrees),flood(33-45="" degrees),wide="" flood(46-60="" degrees),very="" wide="" flood(="">60 degrees).
