Video: Puas yog ETL sib npaug rau UL?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
A: UL thiab ETL yog ob qho tib si hu ua Nationally Recognized Testing Laboratories (NRTL). UL txhim kho cov qauv kev xeem thiab kev xeem rau lawv. ETL kuaj rau UL qauv.
Raws li txoj cai, qhov twg zoo dua UL lossis ETL?
Ib qho ntawm cov laj thawj tseem ceeb uas peb tau xaiv los siv ETL yog lub sijhawm uas lawv tuaj yeem kuaj thiab lees paub cov khoom feem ntau sai dua UL . ETL kev sim rau tib cov qauv raws li UL thiab lawv daim ntawv pov thawj muaj kev lees paub zoo ib yam los ntawm OHSA vim tias lawv yog ob qho tib si Nationally Recognized Testing Laboratories.
Qhov thib ob, cov khoom puas yuav tsum tau teev npe UL? Tsis yog, UL kev pom zoo yog tsis raug cai xav tau . Nws tsuas yog tshwm sim vim tias ntau lub tuam txhab loj yuav tsis yuav cov cuab yeej ntawd muaj tsis dhau UL cov kev ntsuam xyuas kev nyab xeeb.
Qhov thib ob, ETL pom zoo txhais li cas?
Cov ETL Mark yog pov thawj ntawm cov khoom ua raws li North American cov qauv kev nyab xeeb. Cov Tub Ceev Xwm Muaj Txoj Cai Lij Choj (AHJs) thiab cov neeg lis dej num thoob plaws Asmeskas thiab Canada lees txais ETL Sau npe Kos ua pov thawj ntawm cov khoom ua raws li cov qauv kev lag luam luam tawm. Cov neeg muag khoom muag lees txais nws ntawm cov khoom lawv tau txais.
Puas yog ETL daim ntawv pov thawj lees txais hauv Canada?
Cov ETL Sau npe Mark thiab C- ETL Sau npe Mark yog txais thoob plaws hauv Tebchaws Meskas thiab Canada thaum denoting ua raws li lub teb chaws lees paub Cov qauv xws li ANSI, IEC, UL, thiab CSA.
Pom zoo:
Leej twg yog cov neeg sib tw yuav ua li cas kev sib tw kev sib tw kev sib tw tus cwj pwm thiab kev sib tw kev sib tw tau teev tseg hauv Tshooj 5?
Kev sib tw kev sib tw muaj kev txhawj xeeb txog kev ua tsis tu ncua thiab cov lus teb ntawm lub tuam txhab thiab nws cov neeg sib tw ncaj qha rau kev ua lag luam zoo. Kev sib tw muaj zog cuam tshuam txog kev ua txuas mus ntxiv thiab cov lus teb NTAWV QHOV TSEEB TSHAJ FIRMS sib tw hauv kev lag luam kom tau txais txoj haujlwm zoo
Qhov kev hloov pauv twg yog qhov piv txwv ntawm kev tswj kom muaj kev sib npaug sib npaug?
2 Qhov kev hloov pauv twg yog qhov piv txwv ntawm kev tswj hwm qhov sib npaug ntawm qhov sib npaug? (1) Ib tsob nroj wilts thaum dej ntau los ntawm nplooj ntau dua li ploj los ntawm cov hauv paus hniav. (2) Ib tsob nroj hloov daj thaum lub teeb theem qis heev. (3) Insulin tso tawm thaum cov piam thaj hauv cov ntshav siab
Puas yog qhov sib npaug siab sib npaug zoo lossis phem?
Investopedia: Nws yog qhov zoo dua kom muaj qhov sib npaug sib npaug qis, vim tias lub tuam txhab siv cov nuj nqis tsawg dua los muab nws cov cuab tam. Qhov siab dua ib lub tuam txhab qhov sib npaug sib npaug, qhov ntau dua nws cov nuj nqis piv (cov nuj nqis rau cov khoom muaj nqis), vim tias cov nuj nqis yog ib qho rho tawm ntawm qhov sib npaug ntawm qhov sib npaug
Thaum lub tuam txhab kev sib tw zoo kawg nkaus yog nyob rau hauv kev sib npaug ntev ntawm tus nqi sib npaug?
Yog tias lub tuam txhab sib tw zoo kawg nkaus nyob rau hauv kev sib npaug ntev, ces nws tau txais txiaj ntsig kev lag luam ntawm xoom. Yog tias lub tuam txhab muaj kev sib tw zoo tshaj plaws nyob rau hauv kev sib npaug ntev, ces tus nqi lag luam yog sib npaug rau luv luv marginal nqi, luv-khiav nruab nrab tag nrho cov nqi, ntev-khiav marginal nqi, thiab ntev-khiav nruab nrab nqi tag nrho
Dab tsi yog qhov sib txawv ntawm cov tshuaj sib npaug thiab kho qhov sib npaug?
Ob yam khoom siv tshuaj raug suav tias yog cov tshuaj sib npaug yog tias lawv muaj tib yam khoom muaj txiaj ntsig, lub zog lossis qhov siab, daim ntawv ntau npaum li cas, thiab txoj kev tswj hwm. Thaum kawg, 2 cov khoom raug suav tias yog qhov sib npaug ntawm kev kho mob tsuas yog tias lawv yog cov tshuaj sib npaug thiab bioequivalent