voltase dirating ROOT tegese nilai kuadrat saka voltase gelombang sinus singPengukur Daya Digital Kabbisa tahan suwe. Ing ngisor voltase iki, nilai absolut saka kesalahan pangukuran meter daya kudu kurang saka nilai sing dipikolehi kanthi nikelake kesalahan relatif sing cocog karo tingkat akurasi nominal kanthi voltase sing dirating. Contone, tingkat akurasi pangukuran voltase meter daya yaiku 0.1 lan voltase sing dirating yaiku 1000V. Banjur, nalika voltase kurang saka 1000V, nilai absolut saka kesalahan kudu kurang saka 1000x0.1% = 1V. Rated saiki ROOT tegese nilai kuadrat saka arus gelombang sinus singPengukur Daya Digital Kabbisa tahan suwe. Ing ngisor iki saiki, nilai absolut saka kesalahan pangukuran meter daya kudu kurang saka nilai sing dipikolehi kanthi nikelake kesalahan relatif sing cocog karo tingkat akurasi nominal kanthi arus sing dirating. Contone, akurasi pangukuran meter daya saiki yaiku 0.1 lan arus sing dirating yaiku 10A. Banjur, nalika saiki kurang saka 10A, nilai absolut saka kesalahan kudu kurang saka 10x0.1% = 0.01A.
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