Start with your process. Find the right instrument.
Learn measurement principles, check process conditions, configure products and save technical resources.

A complete English edition of this article has not been published. The complete available Chinese version is shown below.

← Back to knowledge hub
Measuring principles4 min readContent language: ChineseUpdated 23 October 2026

温度与湿度:无线温湿度漏点会影响平均值吗?

不均匀数据缺失可能恰好漏掉开门峰值,剩余平均不能等同完整时间平均。

具体问题的回答

不均匀数据缺失可能恰好漏掉开门峰值,剩余平均不能等同完整时间平均。

工程量输出的变量、单位、下限和跨度共同定义信号含义;活零与工程零应分开解释。

成立条件与容易混淆的量

模拟值、通信值及派生值可能采用不同设置,比较前需确认是否代表同一物理量。

相对湿度表示水汽分压与该温度下饱和水汽压之比,温度变化本身就会改变相对湿度。温湿度探头测量的是其敏感部件附近的空气状态,电子器件发热、壁面温差、太阳辐射和通风不足都可能使它与目标空间不同。湿度和温度两个通道需要同时评价。

针对性核查与判据

逐级核对输出变量、端点和质量状态,注明原始量、工程量和计算量之间的关系。

  • 统计时间覆盖率及缺测时段,保存对应型号、设置和原始状态,不只记录最终显示值。
  • 超时保持、限幅或默认值可能让失效看似正常;数据年龄与有效性应与数值一起传递。
  • 分别验证低中高点和规定故障状态,恢复后确认得到的是新有效测量而非缓存。
  • 围绕“信号最差的装卸期数据也最容易缺失”保留前后变化;用“不均匀数据缺失可能恰好漏掉开门峰值,剩余平均不能等同完整时间平均”检验原因,若独立参考不支持该关系则继续排查。

假设案例与原因区分

假设现场出现以下情形:信号最差的装卸期数据也最容易缺失。这时需要区分真实对象变化、输入条件改变与测量链失效;应让独立参考、原始信号和状态记录分别回答相应问题。

缺测如果随机分布,对平均的影响与集中漏掉高湿时段不同。无线链路可能恰在车辆遮挡和装卸时最差,形成与工况相关的选择偏差。报表应保留覆盖率及缺段,不能默认为缺失期间与其余时段相同。

适用边界与技术结论

不能用温度补偿替代正确安装;若探头使用加热防凝露,直接测得的相对湿度不能未经相应处理当作未加热空气的相对湿度。

型号确认应同时覆盖正常工作范围、异常输入、输出有效性及允许维护条件,不能由某个静态点的表现推定全部运行状态。参考资料解释技术方法,实际范围、配置和限制以对应型号正式文件为准;不据其他制造商资料推定道威斯顿产品具有相同能力或认证。

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
Not signed in to DOWESTON?
Create an account to start selecting products, check prices, and receive our newsletter on the latest products and trends.
Products & Services
Doweston offers a range of services to help you quickly build automated instrumentation systems. Contact us to learn more.
Ready to buy?
If you would like to purchase products,
simply contact our sales team — we are happy to help.
Who we are
DOWESTON delivers accurate and reliable measurement solutions
— trusted sensing and detection products for every industry!
Need service?
If you want to optimize production and reduce downtime,
we can help you choose the right spare parts and service products.
Edit Configuration

Product

Brand

Model

Confirm Changes Cancel
Your screen may be too small for the best experience.
We recommend using a computer,
or contact an engineer right away for selection support!
Need faster service? Call
400-888-4436
Continue Browsing