Peb tau tsim kho tshiab lub ntsuas dej noo, Ua hauv cov yam ntxwv ntawm 7 ntau hom ntoo thiab cov khoom siv hauv tsev GVDA GD153
Cov ntoo noo noo ntsuas los ntawm GVDA ntoo ya raws tester LCD Backlight Zaub Hygrometer Timber Damp Ntes Cement Cib Moisture Meter
Cov khoom no yog cov khoom ntsuas dej noo ntawm DC yam tsis kam (tus pin hom), uas nquag ua haujlwm los ntsuas cov dej noo ntawm cov khoom siv hauv tsev xws li ntoo. Qhov kev faib ua feem ntawm cov khoom siv cov dej noo yog qhia tam sim ntawd. Xya yam sib txawv ntawm cov ntoo thiab cov ntaub ntawv tsim kho cov khoom sib txawv tau muab tso rau hauv qhov ntsuas. Qhov ntsuas no tuaj yeem pab txiav txim siab seb puas yuav tsum tau ziab ntxiv.
Qhov ntsuas kub thiab av noo tuaj yeem kuaj tau ntxiv rau cov khoom siv cov dej noo, tso cai rau kev soj ntsuam ntawm qhov chaw qhuav.
