Cov ntawv pov thawj ntawm lub pas dej da dej stainless hlau feem ntau suav nrog CE, ROHS ntawv pov thawj thiab IP68 ntawv pov thawj.
Daim ntawv pov thawj CE yog daim ntawv pov thawj tus qauv siv los ntawm European Union rau kev nyab xeeb khoom thiab kev tiv thaiv ib puag ncig. Nws yog qhov yuav tsum tau rau cov khoom xa tuaj rau cov teb chaws Europe lossis muag hauv Tebchaws Europe.
ROHS daim ntawv pov thawj yog hais txog cov lus qhia kom txwv tsis pub siv qee yam khoom phom sij hauv cov khoom siv hluav taws xob thiab hluav taws xob. Daim ntawv pov thawj no yog ua rau cov khoom phom sij hauv cov khoom siv hluav taws xob, feem ntau yog los tiv thaiv ib puag ncig thiab kev noj qab haus huv ntawm cov neeg siv khoom. Qee lub teeb lub pas dej da dej stainless hlau yuav muaj cov khoom siv hluav taws xob hauv hluav taws xob, yog li ntawv pov thawj ROHS kuj tseem ceeb heev.
IP68 ntawv pov thawj yog cov ntawv pov thawj qib dej tsis zoo ntawm lub pas dej da dej. Tam sim no, IP68 qib waterproof yog qib siab tshaj dej tsis zoo ntawm kev ua lag luam.