介绍了一种采用双转筒传感器和光纤调制技术来测量粘度的新方法。并使其实用化、数字化,以满足高灵敏度自动检测,也可以与微机联网实现粘度的测量与控制。关键词:粘度　光纤调制　数字化ABSTRACT :The paper is an introduction of a new method to measure liquid viscosity by means ofdouble - relatingrouer sensor and modulation technique of lighe guide fiber . In order to reach an automaticmeasurement with high sensitivity ,the method is practical and digital ,and can be connected to computerfor the measurement and control of viscosity.KEYWORDS :Viscosity 　Modulation of light guide fiber 　Digitization