【摘要】 针对普通压力变送器精度低的缺点,在原理分析的基础上,提出了非线性误差正负不同时完整的补偿电路及参数选择方法,实现了低成本、高精度的测量。经实验表明,其非线性误差降低很大。补偿电路简单易行、性能可靠、经济实用。更多还原

【Abstract】 Normal pressure transmitter for the shortcomings of low precision,in principle based on the analysis put forward at the same time non-linear error of plus or minus is not a complete compensation circuit and parameter selection method to achieve low-cost,high-precision measurements.The experimental results show that significant reduction of its non-linear error.Compensation circuit is simple,reliable,economical and practical.更多还原