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</div><div class="pct"><style type="text/css">.pcb{margin-right:0}</style><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_658167"> Application 应用 <br /> 结构监测 <br /> •大型结构的应力应变和温度监测(管道, 近海石油平台, 油井, 大坝, 堤坝, 桥梁, 建筑物, 隧道, 电缆)<br /> 渗漏探测 <br /> •液体或天然气管道, 工业处理, 大坝, 罐体.<br /> 交通运输 <br /> •路面的结冰探测, 铁路监测<br /> 安全系统 <br /> •火情或过热温度探测, 电力电缆监视, 垃圾处理站监测, 山体滑坡监测.<br /> 光纤<a href="http://ofc.oecr.com" target="_blank" class="relatedlink">通信</a> <br /> •光纤光缆生产在线控制, 光缆维护, 工作光缆应变监测, 光纤掺杂物<a href="http://opticaltest.oecr.com" target="_blank" class="relatedlink">测量</a>.<br /> 环境测量 <br /> •热, 通风和空气条件(HVAC), 外界海洋，森林，野外场所的长期温度测量。<br /> Features 特点 <br /> •分布式温度和应变测量，长测量距离,可达50公里<br /> •高空间分辨率，长期稳定可靠<br /> •高精度:应变精度: 20 &micro;(0.002%) 温度精度 : 1°C<br /> •测量模式: 人工或全自动测量<br /> •数据分析: 测量分析，多重数据分析对比（测量趋势，基线），图形放大等<br /> •警报与预警: 自动警报触发，报警类型设置 (温度, 应变, 渗漏,...)<br /> Description 描述<br /> 这台分析仪是基于光纤光学和<a href="http://laser.oecr.com" target="_blank" class="relatedlink">激光</a>的测量系统，使用激光的相互作用的测量原理：受激布里渊散射｛Stimulated Brillouin Scattering (SBS)｝。SBS光纤<a href="http://material.oecr.com" target="_blank" class="relatedlink">材料</a>的固有<a href="http://theory.oecr.com" target="_blank" class="relatedlink">物理</a>特性，可提供测量分布在光纤上的应变及温度的重要信息。标准或特种单模通信光纤和光缆都可以被用来作为<a href="http://sensor.oecr.com" target="_blank" class="relatedlink">传感</a>器件。光纤局部的SBS特性能被测量出来是由于本仪器具有创新的和高度可靠的配置。这种专利技术是完全自动内部参考与校准，可长期测量而不需要任何预先校准。多根传感光纤可以同时连接到仪器上并实现自动测量。<br /> <br /> 内置的计算机系统提供一个友好的用户操作界面和12" 彩色<a href="http://display.oecr.com" target="_blank" class="relatedlink">显示</a>屏，操作非常简单，界面直观。这台仪器还可以被设定为长期无人值守全自动测量。仪器还可以全自动记录和存储测量数据到数据库里，同时也很容易地在任何时候把<a href="http://opticaltest.oecr.com" target="_blank" class="relatedlink">测试</a>数据从库中调出来分析。这个数据库也可以能过LAN网络在远端计算机中进入。系统本身及光纤配置对不同的项目有着一些特殊的要求，这个仪器优秀的性能保证了传感光纤的认真选择与系统合理配置。同时，在提供传感系统的基础上，还可以提供相关的各种传感光纤，以保证测量的准确性，还提供各种附件 (连接器, 连接盒, 数据提取及分析<a href="http://opticaldesign.oecr.com" target="_blank" class="relatedlink">软件</a>).<br /> <br /> DiTeSt STA︱分布式光纤温度应变监测系统<br /> Specifications 指标 <br /> 型号 DiTeSt STA-R<br /> 光学指标 <br /> 传感构造 环路/单端<br /> 测量距离 50km<br /> 通道 2<br /> 空间分辨率 0.5-20m<br /> 空间分辨率(全范围) 1 m at 20 km / 2 m at 30 km / 3 m at 50 km<br /> 距离分辨率 0.1m<br /> 布里渊频移 应变 温度<br /> 分辨率 0.1 MHz 2 με 0.1 °C<br /> 范围 10 GHz to<br /> 13 GHz -3 % compression <br /> To 3 % elongation -273°C to 700°C<br /> (取决于光缆)<br /> 取样时间 >10s（1-2min典型值 5-10min高精度）<br /> 最大测量点数 100,000<br /> 测量平均值 1~10,000<br /> 光纤连接器 E-2000/FC-APC<br /> 激光器波长 1550 nm<br /> 其他测量量 布里渊频移，增益，带宽<br /> <a href="http://machine.oecr.com" target="_blank" class="relatedlink">机械</a>特性 <br /> 物理尺寸 449 x 500 x 266 mm (19" rack)<br /> 重量 < 21 kg <br /> 电气特性 <br /> 电源要求 115/230 VAC<br /> 功耗 < 400 W<br /> 环境要求 <br /> 工作温度 0°C to +40°C<br /> 其他参数 <br /> 操作界面 SVGA 12"彩色显示屏<br /> 数据存储 硬盘(160 GB)<br /> 用户接口 USB, Ethernet.<br /> 数据格式 标准SDB专用数据库，文本文件, MS Excel, <br /> 激光器安全性 Omnisens DITEST products emit invisible<br /> infra-red radiation in the 1550 nm<br /> wavelength range classified to<br /> EN 60825-1(2001-03) as Class 1M laser products.<br /> <br /> <br /> <br /> 分布式光纤传感超远距离扩展︱DRR/DRM/DRRM<br /> 为超远距离的分布式光纤监测系统设计的扩展模块<br /> <br /> 这个DRR/DRM/DRRM DiTeSt模块的完美设计保证了DiTeSt-STA202系统的超远距离测试能力，使测试距离达250km，而且没有任何的测试性能损失。<br /> Features 特点 <br /> •超远距离分布式应变和温度测量(> 250km)<br /> •在整个测量距离中，系统性能稳定一致<br /> •低功率损耗<br /> •可靠的整体设计，不需维护<br /> •远程控制及设置调试<br /> •可根据客户实际工程需求定制<br /> •根据现有的通信要求提供不同接口 <br /> 150km监测示意图<br /> <br /> <br /> Micron Optics Int. 北京代表处<br /> 地址：北京市海淀区上地开拓路7号先锋大厦210室<br /> 邮编：100085<br /> 电话：010-62962540/41<br /> 传真：010-62962543<br /> 网址：<a href="http://www.moiag.com" target="_blank">www.moiag.com</a><br /> 邮件：<a href="mailto:info@micronoptics.com.cn">info@micronoptics.com.cn</a><br /> <br /> </td></tr></table> </div> <div id="comment_658167" class="cm"> </div> <div id="post_rate_div_658167"></div> </div> </div> </td></tr> <tr><td class="plc plm"> <div id="p_btn" class="mtw mbm hm cl"> <a 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