The system of liquid density measurement consists of force sensor, float, data gather, and software.

液体密度实时测量系统由力传感器、浮子、数据采集器、电脑软件组成。

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We suggested to stable the output light intensity by using the bistable optical device and use this new device to measure the density of liquid by refractive index modulation sensor.

我们提出采用光学双稳装置来稳定光源输出功率，并将它用于折射率调制型光纤传感器测量液体浓度的实验中。

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The sensitivity of Lamb wave was analyzed and the working theory of a novel density sensor for liquid based on the Lamb wave technology was presented.

分析了兰姆波对液体密度变化的敏感情况，提出了一种基于兰姆波技术的测量液体密度微小变化声传感器。

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