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在测井中通常使用的压力传感器是使用电通信线路传输信息的。这在有火灾危险情况下(如有瓦斯时)是很不安全的,现研制出一种使用光通信线路传输信息的传感器装置。这种压力传感器有一个安装在纤维光缆上的谐振器。谐振器的振动频率依作用在光缆上的压力
Pressure sensors commonly used in logging are those that use electrical communication lines to transmit information. This is very insecure when there is a risk of fire (if gas is present) and a sensor device has been developed that uses optical communication lines to transmit information. This pressure sensor has a resonator mounted on a fiber optic cable. The vibration frequency of the resonator depends on the pressure applied to the optical cable