摘要
通过对早期LPG球罐液位改造的介绍,讲述不同方式的差压仪表在球罐液位测量上的运用,剖析了各种方式产生误差的主要根源,提出了一种以Emerson 3051S ERS与温度补偿相结合的解决方案,为大量程的液位测量提供一条高精度的简便办法。
By the introduction of the early LPG spherical tanks liquid level transforming, this article tells different ways of liquid level measurement in the con dition of differential pressure. Also it analyses the main reasons that cause the errors by different measuring methods. It offers the solution by combination of Emerson 3051S ERS and the temperature compensation technology. It provides a simple method for the wide range liquid level measurement.
出处
《仪器仪表用户》
2014年第3期67-68,72,共3页
Instrumentation
关键词
液位测量
差压
误差
温度补偿
liquid level measurement
differential pressure
error
temperature compensation
