How to check the wiring of the three-phase four-wire electric energy meter with Electric Sensor Test Pencil base bulb phase check method
Peb-theem plaub-wire electric zog ntsuas, kev tshuaj xyuas cov kab hluav taws xob thiab cov txheej txheem kuaj xyuas theem. Ob lub teeb tshuaj ntsuam xyuas tau txuas nrog hauv cov koob, thiab ob lub xov hlau lead yog hla cov neeg sib cuag: qhov hluav taws xob hluav taws xob ntawm ib qho khoom siv, thiab cov kab hluav taws xob tam sim no ntawm theem.
Yog tias lub teeb qhib, nws txhais tau hais tias cov xaim tsis raug, thiab qhov hluav taws xob thiab tam sim no tawm ntawm theem. Yog tias cov xaim raug raug, lub teeb tsis teeb, thiab qhov voltage thiab tam sim no nyob rau tib theem.






