Qee zaum, tus nqi tam sim no koj xav ntsuas tshaj qhov ntau ntawm cov digital multimeter lossis cov xwm txheej hauv teb tsis tso cai rau koj qhib lub Circuit Court los ntsuas qhov tam sim no. Tam sim no clamps yog ib qho yooj yim heev thaum kuaj ntawm cov tam sim no siab (feem ntau ntau dua 2A) tsis tas yuav tsum tau muaj siab precision. Lub clamp tam sim no ntsuas qhov tam sim no nyob ib ncig ntawm cov hlau thiab hloov nws mus rau tus nqi uas lub ntsuas hluav taws xob tuaj yeem ua tau.
Muaj ob qhov kev sojntsuam tam sim no: hom transformer tam sim no, uas yog siv rau kev ntsuas AC nkaus xwb. Hall - cuam tshuam rau kev ntsuas AC lossis DC tam sim no.
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