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      <div class="weizhi">当前位置：<a href="/">首页</a> &gt; <a href="/article.html">技术文章</a> &gt; 热像仪的选购知识</div>
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       <h1 class="biaoti">热像仪的选购知识</h1>
       <div class="fabiao">更新时间：2020-09-22&nbsp;&nbsp;|&nbsp;&nbsp;点击率：2250</div>
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       &nbsp;　　线是一种电磁波，具有与无线电波和可见光一样的本质。线的发现是人类对自然认识的一次飞跃。利用某种特殊的电子装置将物体表面的温度分布转换成人眼可见的图像，并以不同颜色显示物体表面温度分布的技术称之为热成像技术，这种电子装置称为热像仪。<div>　　热像仪是利用探测器、光学成像物镜和光机扫描系统（目前先进的焦平面技术则省去了光机扫描系统）接受被测目标的辐射能量分布图形反映到探测器的光敏元上，在光学系统和探测器之间，有一个光机扫描机构（焦平面热像仪无此机构）对被测物体的热像进行扫描，并聚焦在单元或分光探测器上，由探测器将辐射能转换成电信号，经放大处理、转换或标准视频信号通过电视屏或监测器显示热像图。<br />&nbsp;</div><p align="center"><img src="https://img72.afzhan.com/9/20200922/637363805390374922173.jpg" alt="防爆热像仪" width="292" height="236" align="middle" /></p><div>　　热像仪选购：</div><div>　　1、了解热像仪测量温度范围，热像仪作为一个重要的探测工具，而每一种类型的探测器，它都有自己的测温范围，建议大家在热像仪选购过程中要选择一个范围适当的热像仪才好。同时为了能够保证测温更加正常精确，大家一定要重点考虑测温范围才行，要是太过宽或是窄的话就会影响到测温精度。</div><div>　　2、测量精度和分辨率，测量精度能够保证测量准确性的wei一指标，也是影响到测温仪性能好坏的重要因素。而分辨率则是对于小量度的测温，这两个因素都是影响热像仪性能的重要因素。</div><div>　　3、为了能够保证热成像仪使用效果更好、更方便，热像仪选购过程中还需要考虑价格、品牌等因素，这样才能够保证使用、维修、保养等等变得更加方便精确。</div>
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