齒盤轉(zhuǎn)速儀ZKZ-3T/A轉(zhuǎn)速表ZKZ-3TtypespeedmonitoringZKZ-3T型轉(zhuǎn)速監(jiān)控裝置外接轉(zhuǎn)速脈沖傳感器、電壓互感器信號(hào)，實(shí)時(shí)監(jiān)測(cè)水輪發(fā)電機(jī)組的轉(zhuǎn)速，并在機(jī)組各轉(zhuǎn)速點(diǎn)輸出開(kāi)關(guān)量信號(hào)和與機(jī)組轉(zhuǎn)速對(duì)應(yīng)的模擬量信號(hào)，為自動(dòng)