可编程流量演算仪在流量测量中的密度补偿方法

The Density Compensation by Using Programmable Flow Calculator in Flow Measurement

以LJ21E可编程流量演算仪取代模拟式流量测量和积算仪表,可使系统精度优于0.8％。文中详细介绍了四种演算仪的密度补偿方法,并通过应用实例,证实上述方法可有效提高流量测量和积算的精度。

By replacing the analog flow measurement and totalizing instrument with LJ21E programmable flow calculator, the system accuracy will be better than 0. 8% . Four density compensation methods in the calculator are introduced in this paper. Through application examples, it is proven that accuracy of flow measurement and totalization can be enhanced by these methods.