雷达液位计带导波管的作用

本文章主要介绍了：雷达液位计带导波管的作用,威格雷达液位计价格,雷达液位计输出,雷达液位计带导波管的作用等信息

(雷达液位计带导波管的作用)

(雷达液位计带导波管的作用)

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(雷达液位计带导波管的作用)

(雷达液位计带导波管的作用)

磁敏电子双色液位计的安装与使用如下：
1、将本液压计法兰与容器法兰夹上密封垫联接好，拧紧螺栓。
2、传感器排污法兰打开、放进浮子。注意：浮子磁钢一端向上，不可倒置。
3、在传感器排污法兰下，安装一个DN15阀门，并与原液位计排污管路连通。
4、连通电源，输入AC36V电源（或直径插入AC220V电源），将液位计调至便于观察的方位。
5、先打开上阀，然后缓慢打开下阀，尤其是该液位计用在压力较高的场合，比武缓慢地注入压力，以防浮子突然受压损坏，使介质慢慢流入传感器，观察液位显示，由红变绿逐个转换。
6、排污、上水，观察水位显示、高、低水位报警是否正常，若无异常现象，即可投入使用。
(雷达液位计带导波管的作用)

雷达液位计测距原理
雷达液位计向液面发射频率经过调制的电磁波,液面反射的回波信号被雷达接收,与发射信号进行混频,由此产生的差频信号的频率与液面距离成正比。针对毫米波雷达液位计的应用场合,提出了ZoomFFT与能量重心校正算法结合的高精度信号处理算法,采用了ZoomFFT进行细化倍数较小的频谱细化,使用能量重心校正算法准确估计差频信号频率,该算法消除了FFT栅栏效应对测距精度的影响,且计算量和运算存储空间都比较合理.仿真结果表明,当差频信号的信噪比为12dB时,该算法将测距均方根误差控制在毫米量级。
可测量的介质
测量介质流速、仪表量程与口径

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