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红外气体检测模块 (中低量程)GW-3000D－武汉敢为科技有限公司
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</script> <div class="pro1_text"> <div class="prodetail_name">红外气体检测模块 (中低量程)</div> <div class="prodetail_price">参考价：<span>￥<a href="#order"><img src=/images/cankaojia.gif border=0></a></span></div> <div class="prodetail_xx"> <img src="/MobileSkin/17/images/proxx_icon1.jpg" class="proxx_icon1" /> <div class="proxx_text"> <p><span>型号：</span>GW-3000D</p> <p><span>更新时间：</span>2024-03-22 <span>|</span> <span>阅读：</span>1187</p> </div> <a href="tel:027-88774990" class="proxx_tel"><img src="/MobileSkin/17/images/proxx_icon2.png" /></a> </div> </div> </div> <div class="pro_con"> <div class="procon_tit"> <p>详情介绍<em></em></p> </div> <div class="procon_text"> <div class="ProBox ProBox1"><div class="ProImg"><img src="https://img80.hbzhan.com/gxhpic_d63ef02baf/5eceadd4559dcfd2bb66ef23957b8e48515a202acca0aa1d2372de15d19a914978ddf3a7480148db.jpg" alt="" /></div><div class="ProTxt"><div class="ProTitle">GW-3000D <strong><strong>红外气体检测模块 (中低量程)</strong> </strong>是基于长光程多次反射池及气体滤光相关技术（GFC）调制技术研发而成，通过比较样品气体和参比气体在红外波段的吸收情况，从而根据朗伯比尔定律测量样品气中CO的浓度。传感器内部集成完整的漂移控制和温度控制电路。</div><p>GW-3000D<strong><strong>红外气体检测模块 (中低量程)</strong> </strong>适用于环境空气质量自动监测、室内空气质量检测、工业过程分析、染源监测等领域，符合国家相关标准。</p><p>产品特点</p><p>性能高稳定</p><p>光源、探测器，均经过长期老化测试。</p><p>长光程6.4米的长光程，可以检出0.1ppm的浓度。</p><p>低干扰定制窄带滤光片，基本杜绝了高浓度CO2/CH4等气体对CO的干扰。</p><p>漂移低温制冷</p><p>选用一级制冷探测器，让探测器光敏源工作在理想的10℃的环境下;</p><p>恒温处理对传感器采取了高于环温的处理，给它一个稳定的环境，就获得了较小的零点漂移。</p><p>采用了以上两项措施，可以获得比同类产品更低的漂移。</p><p>兼容性多接口汇集一身为了更好的满足客户的使用场景，一个传感器我们集成了RS232-485以及4-20MA三种接口，客户可以根据需求自行选择。</p><p>多应用可以用于便携使用的常温减重版；也可以用于在线监测的普通版。</p><p>应用领域：石油天然气安全监测 、环保监测、 污染源烟气监测、工业过程、石油炼化、工业过程、煤化工</p></div></div><div class="ProBox"><div class="CpTitle">技术指标</div><div class="ProTab"><div class="tabledivclass" style="width: 99%; float: left;"><table width="100%" border="0" cellspacing="0" cellpadding="0" class="ke-zeroborder" align="left" style="max-width: 748px;"> <tbody> <tr class="firstRow"> <td class="td1" style="width: 30%; border-width: 1px; border-style: solid; border-color: windowtext;">测量原理</td> <td style="width: 70%; border-width: 1px; border-style: solid; border-color: windowtext;">红外吸收（<span style="color:#333333;font-family:">NDIR）</span></td> </tr> <tr> <td class="td1" style="width: 30%; border-width: 1px; border-style: solid; border-color: windowtext;">测量量程</td> <td style="width: 70%; border-width: 1px; border-style: solid; border-color: windowtext;">CO：0-50ppm（量程可定制）</td> </tr> <tr> <td class="td1" style="width: 30%; border-width: 1px; border-style: solid; border-color: windowtext;">样气流量</td> <td style="width: 70%; border-width: 1px; border-style: solid; border-color: windowtext;">0.8L/min±10％</td> </tr> <tr> <td class="td1" style="width: 30%; border-width: 1px; border-style: solid; border-color: windowtext;">响应时间</td> <td style="width: 70%; border-width: 1px; border-style: solid; border-color: windowtext;">≤60s</td> </tr> <tr> <td class="td1" style="width: 30%; border-width: 1px; border-style: solid; border-color: windowtext;">示值误差</td> <td style="width: 70%; border-width: 1px; border-style: solid; border-color: windowtext;">≤±2%F.S.</td> </tr> <tr> <td class="td1" style="width: 30%; border-width: 1px; border-style: solid; border-color: windowtext;">漂移</td> <td style="width: 70%; border-width: 1px; border-style: solid; border-color: windowtext;">≤±1%F.S./24h</td> </tr> <tr> <td class="td1" style="width: 30%; border-width: 1px; border-style: solid; border-color: windowtext;">预热时间</td> <td style="width: 70%; border-width: 1px; border-style: solid; border-color: windowtext;">≤60min</td> </tr> <tr> <td class="td1" style="width: 30%; border-width: 1px; border-style: solid; border-color: windowtext;">输出接口</td> <td style="width: 70%; border-width: 1px; border-style: solid; border-color: windowtext;">RS-232（默认）、RS-485、（4～20）mA</td> </tr> </tbody></table></div></div><p> </p><p>*具体量程可能会有细微偏差。</p><p><span> *工作在温度25℃和1013mbar测试数据</span>。</p></div><div class="ProBox"><div class="CpTitle">技术原理</div><div class="box">1、长光程吸收原理<div class="p">根据朗伯--比尔（Lambert-Beer）吸收定律，通过延长光流通的长度，可以改变气体吸收的强度。我们采用了多长反射池的结构，将光程做到物理尺寸的几倍甚至几十倍，来获得更高的检测灵敏度和更低的气体检测下限。</div></div><div class="box">2、GFC光学结构<div class="p">光源发出的红外光经GFC调制轮交替进入气体室，一路被充满CO的气室所吸收，一路穿过不含CO的气室，两路光分别经透镜汇聚后由探测器接收，经过处理得到吸收信号和参考信号。该结构可以抵消部分水汽以及外部电路或者温度噪声的影响，提高产品的稳定性。</div></div><div class="box">3、一氧化碳的吸收光谱<p>传感器通过检测一氧化碳的吸收峰4.65um附近的吸光度光谱来分析组分浓度。为了避免其他气体对CO的吸收影响，我们在光学设计那里，选择更窄的吸收峰透过。最终实现了高浓度CO2、CH4等气体对CO检测干扰可以忽略的效果。</p><p>3、长期漂移</p></div><div class="box"><div class="p">经过30天24h漂移的跟踪测量，对传感器长期测量的稳定性进行考察，得到了CO传感器在零点、80%量程浓度的长期稳定性数据。传感器气室恒温40℃在室温环境下进行测量。</div></div><div class="box">4、重复性<div class="p">同的标气及相同的条件下进行操作，在尽量短的时间间隔内完成重复实验任务。依次通入氮气和80%的量程气，重复操作6次进行重复性实验；根据实验曲线图可以看出：零点在1-5之间，偏差为5ppm。</div></div></div><div class="ProBox"><div class="CpTitle">应用领域</div><div class="AppBox">该仪器适用于环境空气质量自动监测、室内空气质量检测、工业过程分析、污染源监测等领域，符合国家相关标准。传感器具有精度高，漂移小，交叉干扰低等特点。<br />产品主要用于以下场合：<br />● 空气质量检测；<br />● 污染源监测；<br />● 工业过程气体分析等场合。</div></div><p> </p><p> </p><p> </p><p> </p> </div> </div> <div class="WZ_prev_next"> <ul> <li class="WZ_prev">上一篇：<a href="/Products-23741786.html">GW-3000D红外气体传感器（CO2）</a></li> <li class="WZ_next">下一篇：<a href="/Products-23741797.html">GW-3000D 温室气体传感器（CO2）</a></li> </ul> </div> </div> <div class="Nyorder_main" id="order"> <div class="order_con"> <form method="post" name="form" id="form"> <ul> <li> <p><span>*</span> 姓名：</p> <div class="order_ipt1"><input type="text" name="yourname" id="yourname" placeholder="请输入您的姓名" /></div> <input type="hidden" id="Product" name="Product" value="红外气体检测模块 (中低量程)"/> </li> <li> <p><span>*</span> 电话：</p> <div class="order_ipt1"><input type="text" name="phone" id="phone" placeholder="请输入您的电话" /></div> </li> <li> <p><span>*</span> 单位：</p> <div class="order_ipt1"><input type="text" id="department" name="department" placeholder="请输入您的单位名称，个体经营者请填'个体经营'..." /></div> </li> <li> <p><span>*</span> 验证码：</p> <div class="order_ipt2"><a><img src="/Image.aspx" onclick="this.src='/image.aspx?'+ Math.random();" height="35"></a><input type="text" id="Vnum" name="Vnum" placeholder="请输入计算结果（填写阿拉伯数字）" /></div> </li> <li> <p><span>*</span> 留言内容：</p> <div class="order_area"><textarea placeholder="请在此输入您的要求、意见或建议" name="message" id="message"></textarea></div> </li> </ul> <div class="order_btn"> <input type="button" id="Button1" name="submitOrder" onclick="return Validate();" class="od_btn1" value="提交"> <button type="reset" class="od_btn2">重置</button> </div> </form> </div> </div> </div> <!--ly_bottom start--> <div class="ly_bottom"> <ul> <li><a href="/"><em class="btm_icon btm_icon1"></em><p>首页</p></a></li> <li><a href="/anther1.html"><em class="btm_icon btm_icon2"></em><p>定位</p></a></li> <li><a href="/order.html"><em class="btm_icon btm_icon3"></em><p>留言</p></a></li> </ul> <div class="btm_btn"> <a href="tel:18062008411" class="btn1"><img src="/MobileSkin/17/images/btn_icon1.png" />电话</a> <a id="openChat" class="btn2"><img src="/MobileSkin/17/images/btn_icon2.png" />询价</a> </div> </div> <!--ly_bottom end--> <!--右侧漂浮 开始--> <div class="PF_Right"> <div class="PF_cpml"><a href="/catalog.html"><img src="/MobileSkin/17/images/Promenu_icon.png" /><p>产品目录</p></a></div> <div class="PF_top"><a href="javascript:window.scrollTo(0,0)" class="a a-top"><img src="/MobileSkin/17/images/toTop.png" /></a></div> </div> <!--右侧漂浮 结束--> <script> $("#openChat").bind("click", function () { OpenAppOrChat(); 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