| 摘要 |
PROBLEM TO BE SOLVED: To provide a radio-type displacement measuring system, where measured data is received in a place at a long distance from an object to be measured and the displacement amount of the object to be measured is measured on the basis of the measured data. SOLUTION: Radio-type data communication devices 13 for measurement, in which linear gages 12 are built are installed respectively in a plurality of places at a turbine rotor 11. The respective communication devices 13 for measurement are triggered in the desired order by a radio trigger switch 18 from a place which is at a long distance from the turbine rotor 11. Measured data which are transmitted from the corresponding communication devices 13 for measurement are received by a data transmission-reception changeover device 19 so as to be read out in real time, and the data are computed and processed by a personal computer 20, so as to find the displacement amount of the rotary shaft of the turbine rotor 11.
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