PY194I-2S1,PY194I-9S1智能数显表PY194U-2S1,PY194U-9S1智能数显表PY194I-2S4,PY194I-9S4智能数显表PY194U-2S4,PY194U-9S4智能数显表PY194P-2S1,PY194P-9S1智能数显表PY194Q-2S1,PY194Q-9S1智能数显表PY194E-3S1,PY194E-3S2多功能电力仪表PY194E-3S4,PY194E-3S6多功能电力仪表)