本文介绍了一种便携直读式测色计的设计方案，给出了仪器的测量原理、主要特点。着重描述了测色探头的研制、光路电路的设计方法；并总结了这些方法在积分式测色系统中所体现的优越性；最后给出了硬件定标方案和系统的关键测量结果，并讨论了误差来源及改进方法。 This article describes a portable direct-reading colorimeter design, gives the instrument measurement principle, the main features. The development of the colorimetric probe and the design of the optical circuit are described emphatically. The superiority of these methods in the integrated colorimetric system is summarized. Finally, the key measurement results of the hardware calibration scheme and system are given and discussed The sources of error and ways to improve.