介绍了一种以单片机为基础的差压式水位计的智能化技术改进方法。硬件选用现场可编程芯片 ,软件设计中建立了符合现场条件的数学模型 ,解决了差压式水位计全程自动压力补偿的现场实际问题 ,为机组调峰运行提供技术上的可行条件。该智能仪表精度高 ,性能稳定 ,可为其他电厂 1 0 0 MW机组差压式水位计改造设计提供参考 An intelligent method for improving differential pressure water level gauge based on single chip microcomputer is introduced. The hardware selects the field programmable chip, and establishes the mathematical model which accords with the scene condition in the software design, solves the field practical problem of the automatic pressure compensation of the differential pressure type water level gauge, and provides the technically feasible conditions for the unit peak regulation operation. The smart meter with high precision and stable performance can provide reference for the design of the differential pressure type water level gauge for the other 110MW units