Qhov kev nyab xeeb ntawm ib qho lag luam thiab cov khoom ntiag tug tsis tuaj yeem xav tias tsis tas yuav siv lub koob yees duab CCTV. Txawm li cas los xij, kev xaiv ntawm ib qho qauv tshwj xeeb yog qhov nyuaj me ntsis rau cov uas tsis tau ntsib lawv yav dhau los. Koj tuaj yeem yuav CCTV koob yees duab ntawm tus nqi qis kawg, nrog kev coj ua ntau dua.
Nws yog qhov tsim nyog
- - phau ntawv teev khoom lossis khw muag cov koob yees duab yoos;
- - kev piav qhia ntawm cov koob yees duab.
Cov Lus Qhia
Kauj ruam 1
Kev txiav txim siab tsim qhov tsim nyog ntawm lub koob yees duab video Kev xaiv ntawm lub koob yees duab keb soj ntsuam yees duab los ntawm hom nyob ntawm qhov chaw ntawm nws cov kev teeb tsa thiab lub hom phiaj ntawm saib: - mini-koob yees duab tau tsim rau npog kev soj ntsuam thiab tau teeb tsa ntawm phab ntsa. Lub thawv ntawm cov koob yees duab zoo li no tuaj yeem yog cylindrical lossis duab plaub; - dome koob yees duab tau ntsia rau saum qab nthab thiab muaj kev tsim qauv nthuav; feem ntau yog tsim nyob rau hauv cov duab cylindrical thiab yog qhov haum rau mounting ntawm txhua qhov chaw. Yuav luag txhua lub lens uas xav pom lub kaum ntse ntse tuaj yeem siv rau lawv; - Lub koob yees duab tsim qauv tsim tawm yam tsis muaj vaj tse nrog ib lub rooj thiab ib lub iav me me. Lawv tuaj yeem muab tso rau hauv cov thawv thermo-casing lossis ib lub thawv; - cov koob yees duab kho tau muaj qhov ntsuas kev ua kom pom qhov khoom zoo dua thiab thaj chaw tshwj xeeb.
Kauj ruam 2
Xaiv los ntawm cov xim xim lossis monochrome cov koob yees duab Cov koob yees duab vis dis aus dub thiab dawb yog qhov pheej yig dua thiab ua rau pom ntau dua thaum tsaus ntuj dua li cov koob yees duab xim. Txawm li cas los xij, cov koob yees duab xim tuaj yeem tuaj yeem nrog ntau txoj haujlwm. Piv txwv, qhov ua haujlwm nruab hnub / hmo tso cai rau koj hloov mus rau hom monochrome hauv qhov tsaus ntuj. Qee qhov xwm txheej, cov xim ntawm daim duab xav tau coj los ua kom zoo dua qhov khoom paub. Txawm li cas los xij, cov qauv xim tseem kim dua.
Kauj ruam 3
Ua tib zoo saib txog cov lus qhia tshwj xeeb - Kev daws teeb meem: ntsuas hauv TV kab. Ntsig, txhua tus qauv muaj kev daws teeb meem sib npaug rau 625 TVL, thiab tav toj, nws thaj tsam li ntawm 380 txog 600 TVL. Qhov siab dua ntawm qhov ntsuas no, ntau cov ntsiab lus me me tuaj yeem pom; - lub siab: nws qhov kev xaiv yog nyob ntawm theem ntawm kev ua kom pom kev pom ntawm thaj chaw pom. Qhov rhiab siab yog ntsuas hauv lux (lx). Qhov ua kom siab dua, qhov ci ntsa iab kev kawm yuav raug taws thaum nruab hnub. Qhov me dua nws yog, qhov kev pom kom zoo dua thaum tsaus ntuj. Piv txwv li, rau cov chaw uas tsis muaj teeb pom kev zoo (sab nraum zoov), nws tsim nyog muab rau kev nyiam rau cov koob yees duab nrog qhov rhiab ntawm 0.01 txog 0.05 lux.
