Daim Ntawv Pov Thawj Tub Yees: Tebchaws USA UL Daim Ntawv Pov Thawj Tub Yees & Lub Tub Yees Rau Kev Lag Luam Hauv Tebchaws Meskas

 

 

 

Daim Ntawv Pov Thawj UL (Underwriters Laboratories) yog dab tsi?

UL (Cov Chaw Kuaj Xyuas Kev Nyab Xeeb)

Underwriter Laboratories (UL) yog ib lub tuam txhab pov thawj kev nyab xeeb qub tshaj plaws. Lawv pov thawj cov khoom, cov chaw, cov txheej txheem lossis cov kab ke raws li cov qauv thoob plaws kev lag luam. Los ntawm kev ua li ntawd, lawv muab ntau dua nees nkaum daim ntawv pov thawj UL sib txawv rau ntau pawg. Qee cov cim UL yog lub teb chaws tshwj xeeb thiab yuav tsis siv lossis pom hauv Tebchaws Meskas thiab rov qab los. Tsis muaj ib yam dab tsi hu ua kev pom zoo dav dav UL, es tsis txhob lawv faib lawv daim ntawv pov thawj ua pawg, lees paub, lossis cais tawm.

 

Kev Pabcuam UL Teev Tseg

Nws yog muab rau cov chaw tsim khoom uas tsim cov khoom uas ua tau raws li cov qauv UL thiab muab kev tso cai rau cov chaw tsim khoom los sim cov khoom thiab siv cov cim UL lawv tus kheej.

 

Kev Pabcuam Pom Zoo Los Ntawm UL

Nws yog siv rau cov khoom siv los tsim lwm yam khoom, uas qhia tau tias nws muaj kev nyab xeeb siv rau hauv kev tsim khoom ntxiv thiab nws tsis yog lub cim uas pom ntawm cov khoom kawg.

 

Kev Pabcuam Kev Faib Tawm UL

Nws tuaj yeem muab tso rau ntawm cov khoom los ntawm tus neeg tsim khoom uas ua cov khoom uas ua raws li UL cov qauv thiab tswj kev ua raws li UL kom ntseeg tau tias zoo thiab raug.

 

 

Cov Kev Cai Lij Choj UL rau Cov Tub Yees rau Kev Lag Luam Tebchaws Meskas yog dab tsi? 

 

Underwriters Laboratories (UL) yog ib lub tuam txhab muab ntawv pov thawj kev nyab xeeb thoob ntiaj teb uas muab kev kuaj thiab ntawv pov thawj kev nyab xeeb thiab kev ua tau zoo rau ntau yam khoom, suav nrog cov tub yees. Thaum lub tub yees muaj ntawv pov thawj UL, nws txhais tau tias nws tau ua raws li cov qauv kev nyab xeeb thiab kev ua tau zoo tshwj xeeb uas UL tau tsim. Txawm hais tias cov kev cai tseeb yuav txawv nyob ntawm tus qauv tshwj xeeb thiab tus qauv UL siv tau thaum lub sijhawm ntawm daim ntawv pov thawj, ntawm no yog qee qhov kev cai rau daim ntawv pov thawj UL ntawm cov tub yees:

 

Kev Nyab Xeeb Hluav Taws Xob

Cov tub yees uas tau ntawv pov thawj UL yuav tsum ua tau raws li cov qauv kev nyab xeeb hluav taws xob. Qhov no suav nrog kev ua kom ntseeg tau tias cov khoom siv hluav taws xob thiab cov xov hlau hauv lub tub yees muaj kev nyab xeeb thiab yuav tsis ua rau muaj kev pheej hmoo ntawm hluav taws, kev poob siab, lossis lwm yam kev phom sij hluav taws xob.

 

Kev Tswj Kub

Cov tub yees yuav tsum tswj tau qhov kub kom zoo rau kev khaws cia zaub mov kom muaj kev nyab xeeb. Lawv yuav tsum khaws sab hauv kom sov li ntawm lossis qis dua 40°F (4°C) rau kev nyab xeeb zaub mov.

 

Kev Nyab Xeeb Txog Tshuab: Cov khoom siv tshuab ntawm lub tub yees, xws li cov kiv cua, cov tshuab compressors, thiab cov cav, yuav tsum tau tsim thiab ua kom tsawg kawg nkaus qhov kev pheej hmoo ntawm kev raug mob thiab ua haujlwm kom muaj kev nyab xeeb.

 

Cov Khoom Siv thiab Cov Cheebtsam

Cov ntaub ntawv siv rau hauv kev tsim lub tub yees, suav nrog cov khoom rwb thaiv tsev thiab cov khoom txias, yuav tsum yog cov khoom zoo rau ib puag ncig thiab ua tau raws li cov qauv kev nyab xeeb. Piv txwv li, cov khoom txias yuav tsum tsis txhob ua rau ib puag ncig puas tsuaj lossis ua rau tib neeg muaj kev phom sij.

 

Kev Tiv Thaiv Hluav Taws

Lub tub yees yuav tsum tsim los kom tiv taus hluav taws thiab tsis ua rau muaj kev phom sij ntawm hluav taws.

 

Kev Ua Tau Zoo thiab Kev Ua Haujlwm Zoo

UL kuj tseem yuav muaj cov kev cai ntsig txog kev siv hluav taws xob zoo thiab kev ua haujlwm ntawm lub tub yees, kom ntseeg tau tias nws ua haujlwm tau zoo thiab txuag hluav taws xob.

 

Kev Sau Npe thiab Kev Cim

Cov khoom siv uas tau ntawv pov thawj UL feem ntau muaj cov ntawv lo thiab cov cim qhia txog lawv daim ntawv pov thawj thiab muab cov ntaub ntawv tseem ceeb txog kev nyab xeeb rau cov neeg siv khoom.

 

Kev Ntsuas Qhov Xaim Thiab Kev Ntsuas Siab

Cov tub yees uas siv cov tshuaj txias feem ntau raug kuaj xyuas qhov xau thiab qhov siab kom paub tseeb tias lawv kaw zoo thiab tsis ua rau muaj kev pheej hmoo ntawm cov tshuaj txias xau.

 

Kev Sib Haum Xeeb Nrog Cov Qauv

Lub tub yees yuav tsum ua raws li cov qauv thiab cov cai tswjfwm hauv kev lag luam, xws li cov uas cuam tshuam txog kev siv hluav taws xob zoo lossis cov yam ntxwv kev nyab xeeb tshwj xeeb.

 

Cov lus qhia txog Yuav Ua Li Cas Thiaj Tau Txais Daim Ntawv Pov Thawj UL Rau Cov Tub Yees Thiab Cov Khob Fridges

 

Nws yog ib qho tseem ceeb uas yuav tsum ua haujlwm nrog UL thiab cov chaw kuaj mob uas tau ntawv pov thawj UL thoob plaws hauv cov txheej txheem ntawv pov thawj kom ntseeg tau tias koj cov khoom ua raws li cov qauv uas yuav tsum tau ua. Tsis tas li ntawd, nyob twj ywm txog txhua qhov kev hloov pauv hauv cov qauv UL thiab cov kev cai uas yuav cuam tshuam rau koj cov khoom.