Dab tsi yog a21 LED teeb?
Dab tsi yog a21 LED teeb?

Video: Dab tsi yog a21 LED teeb?

Video: Dab tsi yog a21 LED teeb?
Video: Обзор светодиодной лампы SANSI A21 30 Вт // Светодиодная лампа дневного света 500 Вт 2024, Hlis ntuj nqeg
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Lub sij hawm A21 yog siv los piav txog tag nrho puab thiab dimensions a lub teeb . Ib A21 noob yog li ntawd, muaj txoj kab uas hla ntawm 21 faib los ntawm 8 ntiv tes, lossis kwv yees li 2.6 ntiv tes. Muab piv rau qhov no A19 noob , uas muaj txoj kab uas hla ntawm 2.4 nti.

Thiaj li, qhov sib txawv ntawm a19 thiab a21 lub teeb yog dab tsi?

Cov A19 muaj txoj kab uas hla ntawm 2.375 ntiv tes thiab qhov siab ntawm 4.13 ntiv tes. Ntawm qhov tod tes, lub A21 noob muaj qhov loj dua ntawm 2.6225 nti hauv txoj kab uas hla thiab 5 nti hauv qhov siab. Thaum qhov loj me yuav yog lub hauv paus thiab pom tseeb tshaj plaws qhov sib txawv ntawm ob tug qhov muag teev , lawv kuj muaj a sib txawv hauv zog.

Ib tug kuj nug, puas muaj 150 watt sib npaug LED teeb? GE yooj yim mos dawb LED 150 W hloov lub teeb noob muab lub sijhawm ntev, kev siv hluav taws xob zoo dua rau cov roj teeb thiab lub teeb halogen qhov muag teev . Piv rau CFL lub teeb qhov muag teev , Qhov no GE LED teeb nta instant tag nrho brightness, tsoos incandescent duab thiab tsis muaj mercury.

Ntxiv thiab, puas yog a21 tus qauv teeb?

Ib qho tseem ceeb nthuav dav kom paub txog lub noob yog tias nws yog " A21 ", Uas hais txog cov duab thiab qhov loj me. A tus qauv , tsev neeg noob yog A19 uas yog 2.375 nti inch, thaum A21 yog 2,625. Qhov ntawd yuav tsis ua qhov sib txawv feem ntau ntawm lub sijhawm, tab sis nws yuav nyob hauv qee qhov kev sib tw.

A19 LED qhov muag txhais li cas?

Lub sij hawm A19 yog siv los piav txog tag nrho cov duab thiab qhov ntev ntawm a lub teeb . Nws tau siv txij li lub sijhawm ntawm incandescent qhov muag teev , thiab tam sim no CFL thiab LED teeb qhov muag teev txuas ntxiv siv tib lub sij hawm. Ib A19 noob yog li ntawd, muaj txoj kab uas hla ntawm 19 faib los ntawm 8 ntiv tes, lossis kwv yees li 2.4 ntiv tes.

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