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Selection and applications4 min readContent language: ChineseUpdated 23 October 2026

无线振动监测:原始波形导出时应保留哪些元数据?

缺少采样率、单位、方向、时间、灵敏度和处理版本,导出的数字难以复核。

先回答这个具体问题

缺少采样率、单位、方向、时间、灵敏度和处理版本,导出的数字难以复核。数据可导出不等于具有完整工程含义,应检查格式与读取能力。

电池更换、固件升级和节点迁移都应建立变更记录。危险区域电池型号和更换条件按设备批准文件执行,不能因电压相同就自行替换。

现场怎样核对

导出代表性文件,在独立读取流程核对样本数、标记和物理单位。

同时记录测点、原始信号、最终结果和发生时间。保留原始配置,一次只改变一个可控条件;只有单位、工况和处理规则一致时,两组数字才可直接比较。

四项核对清单

  • 导出代表性文件,在独立读取流程核对样本数、标记和物理单位。
  • 记录本题试验所用的输入条件、参考方法及设备状态,保留试验前的原始配置。
  • 对照实际订购型号核实接口和功能选项;公开原理与其他品牌示例不是本型号的性能保证。
  • 将结果分成已证实、尚未排除与需要厂家确认三类,未经验证不直接改标定系数。

假设案例:怎样得出判断

假设案例:只得到一列数值而没有采样间隔时,无法可靠重建频谱横轴。 这个情景只用于说明本题的分析过程,并非真实客户案例。先按上述方法检查,再比较相同测点、相同工况下的结果;如果改变了安装、采样或配置,应保存变更前后的证据。仅观察到数值接近,不能证明根因已经解决,更不能据此推断整台设备长期运行合格。

客户与销售应怎样确认需求

客户向道威斯顿咨询本题时,可一并提供无线振动节点、网关和状态监测平台的测点示意、工作条件和本题核对记录。销售应把问题转成具体的输入要求、安装条件、功能选项与验收证据,逐项交由技术人员确认。涉及设备保护、联锁或危险区域的试验,由现场负责人员批准;知识文章不替代设备制造商的停机条件或操作规程。

Apply this knowledge to product selection

Customers and procurement

Check actual application and acceptance requirements against the article and product documentation. Bring open questions to DOWESTON for technical review.

Sales and technical teams

Record customer questions with application conditions. Verify range, interfaces and operating requirements against the selected model documentation.

Turn questions into application requirements

Collect application, connection, installation and acceptance requirements for the selected product, then review open points with DOWESTON.

Choose a product and prepare requirements
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