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，實時監(jiān)測水輪發(fā)電機組的轉(zhuǎn)速，并在機組各轉(zhuǎn)速點輸出開關(guān)量信號和與機組轉(zhuǎn)速對應(yīng)的模擬量信號，為自動