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            <h1 id="inside_rnewtil">美国西特HVAC微差压变送器故障的维修方法介绍</h1>
            <div class="inside_rnewtime">更新时间：2020-02-18  &nbsp;&nbsp;点击次数：2118次</div>
            <div class="inside_rnewcon">&nbsp;　　美国西特HVAC微差压变送器故障的维修方法介绍<div>　　<strong><a href="http://www.wohuayiqi.com/Products-25754506.html" target="_blank">美国西特HVAC微差压变送器</a></strong>是引进先进技术和设备生产的新型变送器，关键原材料，元器件和零部件均源自进口，整机经过严格组装和测试，该产品具有设计原理先进、品种规格齐全、安装使用简便等特点。由于该机型外观上*融合了目前国内较为流行，并被广泛使用的两种变送器的结构优点，让使用者有耳目一新的感觉，同时与传统的1151、CECC等系列产品在安装上可直接替换，有很强的通用性和替代能力。用于测量炉内压等微小差压，然后转变成4～20mA DC信号输出。也可与HART手操器相互通讯，通过它进行设定，监控或与上位机组成现场监控系统。是本公司根据现场要求研制开发的新产品，可脱离手操器，通过按键方式实现现场调零、组态等操作。</div><div>　　任何设备用久了都会出现故障，微差压变送器 也不例外，下面就来看看这几种常见的故障吧！</div><div>　　一、压力上去，变送器输也上不去。<strong>美国西特HVAC微差压变送器</strong>泛起偏差是正常的现象，确认正常的偏差范围即可。排除这种故障的方法是将传感器卸下，直接察看零位是否正常，若零位正常可更换密封圈再试。此种情况，先应检查压力接口是否漏气或者被堵住，假如确认不是，检查接线方式和检查电源，如电源正常则进行简朴加压看输出是否变化，或者察看传感器零位是否有输出，若无变化则传感器已损坏，可能是仪表损坏或者整个系统的其他环节的题目。</div><div>　　二、微差变送器输出信号不稳。这个情况很有可能是压力传感器密封圈的题目。常见的是因为密封圈规格原因，传感器拧紧之后密封圈被压缩到传感器引压口里面堵塞传感器，加压时压力介质进不去，但在压力大时溘然冲开密封圈，压力传感器受到压力而变化。下面给大家总结一下，下次就会自己解决了。</div><div>　　变送器因为其丈量范围很小，变送器中传感元件会影响到微差压变送器的输出。这种故障有可能是压力源的题目。安装时应使<strong>美国西特HVAC微差压变送器</strong>的压力敏感件轴向垂直于重力方向，安装固定后调整变送器零位到尺度值。</div></div>
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