Cov txheej txheem los nrhiav cov hlau thiab Cable Breakpoints Siv Digital Multimeter
In addition to measuring basic parameters such as voltage, current, resistance, capacitance, and transistors, digital multimeters can also be flexibly used to further expand their functions and achieve the goal of multi-purpose use. The method of using a digital multimeter to determine cable>xaim cable tawg yog tam sim no muab.
Thaum muaj qhov txhaum ntawm cov hlau tawg hauv lub cable los yog hauv lub cable, qhov tseeb qhov chaw ntawm cov hlau tawg yog qhov nyuaj rau kev txiav txim siab vim qhov qhwv ntawm cov ntaub thaiv npog sab nraud. Ib qho digital multimeter tuaj yeem daws qhov teeb meem no yooj yim. Txoj kev tshwj xeeb: Txuas ib kawg ntawm cov hlau tawg (cable) mus rau cov hlau nyob ntawm 220V lub zog hluav taws xob, thiab muab ncua rau lwm qhov kawg. Rub lub digital multimeter mus rau AC2V txoj haujlwm, pib los ntawm kev sib txuas ntawm cov xov hlau nyob kawg ntawm cov xaim (cable), tuav lub taub hau ntawm qhov kev sojntsuam dub nrog ib txhais tes, thiab maj mam txav cov xov tooj liab raws li cov rwb thaiv tsev ntawm cov hlau nrog rau lwm cov tes. Lub sijhawm no, tus nqi hluav taws xob tso tawm ntawm qhov screen yog li 0.445V ( ntsuas los ntawm DT890D meter). Thaum qhov kev sojntsuam liab txav mus rau qee qhov taw tes, qhov hluav taws xob tso tawm ntawm qhov screen dheev poob rau tsuas yog 0.0 volts (li ib feem kaum ntawm qhov qub voltage).
Txog 15cm rau pem hauv ntej los ntawm txoj hauj lwm ntawd (qhov kev sib txuas ntawm qhov kawg) yog qhov tawg ntawm cov hlau (cable).
Thaum siv txoj kev no los xyuas cov xov hlau thaiv, yog tias tsuas yog cov tub ntxhais hlau tawg thiab cov txheej thaiv thaiv tsis tawg, ces txoj kev no tsis muaj zog.
