Professional handbook30 min readContent language: English
50 shared questions for Open-channel flow and radar velocity measurement, covering selection, delivery, maintenance, common questions and evidence-based brand comparisons, with verification actions, limits and sources.
Read the topic →Professional handbook30 min readContent language: English
50 shared questions for Non-contact radar level measurement, covering selection, delivery, maintenance, common questions and evidence-based brand comparisons, with verification actions, limits and sources.
Read the topic →Professional handbook30 min readContent language: English
50 shared questions for Guided-wave radar level measurement, covering selection, delivery, maintenance, common questions and evidence-based brand comparisons, with verification actions, limits and sources.
Read the topic →Measuring principles4 min readContent language: Chinese
先分清天线到表面的距离与罐底以上的液位,避免零点方向设反。
Read the topic →Measuring principles4 min readContent language: Chinese
调频连续波和脉冲都可用于测距,不能仅凭名称判断适用性。
Read the topic →Selection and applications4 min readContent language: Chinese
是否允许探杆或缆绳进入介质,是两类方案的重要区别。
Read the topic →Selection and applications4 min readContent language: Chinese
频率和天线共同影响聚焦,泡沫等条件仍需单独评估。
Read the topic →Measuring principles4 min readContent language: Chinese
反射信号强弱与介质电特性相关,密度不能代替介电常数。
Read the topic →Selection and applications4 min readContent language: Chinese
用距离与角度估算覆盖范围,再核对真实障碍和旁瓣反射。
Read the topic →Selection and applications4 min readContent language: Chinese
最高工作液位应按具体天线与安装条件留出有效测量空间。
Read the topic →Selection and applications4 min readContent language: Chinese
把几何参考与电流上下限分开,避免液位方向和跨度混淆。
Read the topic →Measuring principles4 min readContent language: Chinese
分辨率、重复性和测量误差回答不同问题,不能相互替代。
Read the topic →Selection and applications4 min readContent language: Chinese
先看气相、表面和安装条件,价格不能替代工况评估。
Read the topic →Selection and applications4 min readContent language: Chinese
介质、安装和信号条件决定同一量程下能否真正使用。
Read the topic →Selection and applications4 min readContent language: Chinese
非接触不代表所有部件都与过程介质隔离。
Read the topic →Selection and applications4 min readContent language: Chinese
接管可能成为反射源,必须与天线结构配合核对。
Read the topic →Selection and applications4 min readContent language: Chinese
先找可用传播路径,再评估回波抑制,不能依赖软件遮盖所有障碍。
Read the topic →Selection and applications4 min readContent language: Chinese
落料或进液流束可能遮挡目标,安装位置应随进料方式评估。
Read the topic →Selection and applications4 min readContent language: Chinese
需要同时看搅拌叶片、表面波动与控制响应需求。
Read the topic →Selection and applications4 min readContent language: Chinese
泡沫可能吸收或反射信号,必须先明确真正要测的界面。
Read the topic →Selection and applications4 min readContent language: Chinese
普通蒸汽、强冷凝与高压饱和蒸汽不能混为同一种条件。
Read the topic →Field troubleshooting4 min readContent language: Chinese
先找形成时间与附着位置,再评估维护和安装措施。
Read the topic →Field troubleshooting4 min readContent language: Chinese
非接触测量仍需检查天线表面的长期状态。
Read the topic →Measuring principles4 min readContent language: Chinese
单点高度与平均料位不同,库存估算还需要考虑堆形和密度。
Read the topic →Selection and applications4 min readContent language: Chinese
粉尘、落料和天线附着需要分别描述,不能只写一个“多尘”。
Read the topic →Selection and applications4 min readContent language: Chinese
探头要承受物料作用力,还要满足固定、磨损与维护条件。
Read the topic →Selection and applications4 min readContent language: Chinese
部分非导电罐顶允许穿透测量,但材质、结构和积水必须核对。
Read the topic →Selection and applications4 min readContent language: Chinese
旁通管尺寸、连通条件和测量原理要一起核对。
Read the topic →Field troubleshooting4 min readContent language: Chinese
先核对原始距离和回波目标,不要立即恢复出厂或重做屏蔽。
Read the topic →Field troubleshooting4 min readContent language: Chinese
固定高度重复异常,常需要对照障碍物与历史屏蔽设置。
Read the topic →Field troubleshooting4 min readContent language: Chinese
学习范围与真实物位必须明确,避免把真实料面写成干扰。
Read the topic →Field troubleshooting4 min readContent language: Chinese
阻尼用于平滑,不会消除虚假目标,还会带来延迟。
Read the topic →Measuring principles4 min readContent language: Chinese
先确认电流对应液位、距离还是容积,再进行线性换算。
Read the topic →Field troubleshooting4 min readContent language: Chinese
电流回路正常不代表数字通信所需条件全部满足。
Read the topic →Field troubleshooting4 min readContent language: Chinese
RS485是电气接口,通信参数和寄存器定义仍必须匹配。
Read the topic →Field troubleshooting4 min readContent language: Chinese
先把传感器测量、模拟输出和系统换算分段核对。
Read the topic →Measuring principles4 min readContent language: Chinese
容积需罐容关系,质量还需密度;固体料堆另有代表性问题。
Read the topic →Standards and approvals5 min readContent language: Chinese
接液材料、连接结构、清洗条件和文件要求需要一起确认。
Read the topic →Selection and applications5 min readContent language: Chinese
保留安装、参数、回波和系统读数,使交付结果可复查。
Read the topic →Standards and approvals5 min readContent language: Chinese
区域、气体或粉尘类型和具体证书范围必须相互匹配。
Read the topic →Standards and approvals5 min readContent language: Chinese
单个设备能力不能替代整个安全功能的设计与验证。
Read the topic →Selection and applications5 min readContent language: Chinese
把口头描述拆成可核对配置,减少错天线、错接口和错信号。
Read the topic →Selection and applications4 min readContent language: Chinese
用测量目标、工况难点和交付边界建立有价值的技术沟通。
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