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智(zhi)能數顯儀表適用于電力電網、自動化控制系統中(zhong)對電壓、電流、有功(gong)(gong)(gong)(gong)(gong)功(gong)(gong)(gong)(gong)(gong)率、無功(gong)(gong)(gong)(gong)(gong)功(gong)(gong)(gong)(gong)(gong)率、視在功(gong)(gong)(gong)(gong)(gong)率、功(gong)(gong)(gong)(gong)(gong)率因數和頻率等(deng)電參(can)量(liang)(liang)的(de)測(ce)量(liang)(liang)，由數碼(ma)管(guan)(LED)或液(ye)晶(LCD)直(zhi)接顯示。具有顯示直(zhi)觀、精度高、性能穩(wen)定、隔(ge)離性強、抗振動等(deng)優點。可選配多種擴展(zhan)功(gong)(gong)(gong)(gong)(gong)能，包括RS-485通訊、開(kai)(kai)關(guan)量(liang)(liang)輸(shu)入、開(kai)(kai)關(guan)量(liang)(liang)輸(shu)出和模擬量(liang)(liang)變送(song)輸(shu)出等(deng)，豐富的(de)外型尺寸可方便地替(ti)代指針(zhen)式儀表。產品標準GB/T 22264，GB/T 13978。