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JD211-2IB電量變送器是一種將被(bei)測電量參(can)數（如電流、電壓、功率、頻率因數等信號(hao)）轉換成隔離的直(zhi)(zhi)流電流、直(zhi)(zhi)流電壓或數字信號(hao)的裝置。產品符合國標GB/T 13850-1998

JD211-1HB3型有無(wu)功(gong)(gong)(gong)(gong)功(gong)(gong)(gong)(gong)率(lv)(lv)變送(song)器，DPK型無(wu)功(gong)(gong)(gong)(gong)功(gong)(gong)(gong)(gong)率(lv)(lv)變送(song)器及DPWK有功(gong)(gong)(gong)(gong)/無(wu)功(gong)(gong)(gong)(gong)組合變送(song)器是一(yi)種能將是一(yi)種能將被測有功(gong)(gong)(gong)(gong)功(gong)(gong)(gong)(gong)率(lv)(lv)，無(wu)功(gong)(gong)(gong)(gong)功(gong)(gong)(gong)(gong)率(lv)(lv)和(he)電(dian)(dian)流轉(zhuan)換(huan)成(cheng)直流輸出(chu)的(de)(de)儀(yi)器，其轉(zhuan)換(huan)成(cheng)的(de)(de)直流輸出(chu)為(wei)(wei)線性(xing)比例輸出(chu)，并能反映(ying)出(chu)被測功(gong)(gong)(gong)(gong)率(lv)(lv)在線路中(zhong)的(de)(de)傳輸方向。它們(men)適(shi)用于頻(pin)率(lv)(lv)為(wei)(wei)50HZ、60HZ及特殊頻(pin)率(lv)(lv)的(de)(de)各種單、三相（平衡(heng)或不平衡(heng)）線路，配(pei)以適(shi)當的(de)(de)指示儀(yi)表或設備，可廣泛應用于發電(dian)(dian)廠(chang)和(he)輸變電(dian)(dian)系統及其它對功(gong)(gong)(gong)(gong)率(lv)(lv)測量要求較(jiao)高的(de)(de)場所(suo)