摘要
根据互感式钠液位计的设计要求,研制了配套的电子单元。该电子单元可实现钠液位传感器的输出信号采集、温度在线补偿及液位显示,并且具有0～10V和4～20mA直流模拟输出,以及液位报警、断偶报警等功能。测试表明:液位计及其电子单元工作性能良好,测量误差小于满量程的±2.1%,满足设计要求。
According to the requirements of induction type sodium level gauge, a suit of electronic unit is developed. Apart from realizing the data acquisition, processing and display, the electronic unit also completes the on-line temperature compensation, and applies 0-10V and 4-20mA standard analog output signal, as well as the thermocouple breaking and level limits alarms output. The tests demonstrate that the total measuring error of sodium level gauge and electronic unit is less than 2.1% of the full rang, which meets the requirement of design
出处
《中国仪器仪表》
2018年第9期68-71,共4页
China Instrumentation
关键词
钠液位计
电子单元
温度补偿
Sodium level gauge
Electronic unit
Temperature compensation
