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class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關鍵詞：</span>上海計量人體測溫黑體爐,人體測溫黑體爐</p><p><span>***更新：</span>2021-01-20 06:20:26</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="0egeu0q" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海蕓尖智能科技有限公司</a></p><p><span>聯(lián)系人：</span>龐經(jīng)理</p><p><span>郵箱: </span>13564032273@126.com</p><p><span>電話: </span>13564032273</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.yunjznkj.com</p><p><span>手機: </span>021-13564032</p><p><span>地址: </span>上海市浦東新區(qū)金亭路8號3-2</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="q8gmueo" class="page-proshow02"><p class="title">詳細說明</p><div id="cemw2ks" class="box"><p><p> 在紅外熱成像中不同物質(zhì)輻射出來的電磁波是**相交的，這種黑體只是一個參照物，相當于一個零點。但現(xiàn)實世界不存在這種理想的黑體，那么用什么來刻畫這種差異呢?對任一波長，定義發(fā)射率為該波長的一個微小波長間隔內(nèi)，真實物體的輻射能量與同溫下的黑體的輻射能量之比。顯然發(fā)射率為介于0與1之間的正數(shù)，一般發(fā)射率依賴于物質(zhì)特性、環(huán)境因素及觀測條件。如果發(fā)射率與波長無關，那么可把物體叫作灰體(grey body)，否則叫選擇性輻射體，上海計量人體測溫黑體爐。紅外熱像儀在長期使用的過程中會受外部因素影響，上海計量人體測溫黑體爐，而造成誤差，上海計量人體測溫黑體爐，所以需要用黑體來校準。 </p> <p> <br /> </p> <p> <br /> 人體測溫黑體的精度怎么樣。上海計量人體測溫黑體爐</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海計量人體測溫黑體爐,人體測溫黑體爐" src="https://tyunfile.71360.com/WaterMark/UploadFile/shyjkj1/637461548271833531/8957288.png"></div><p> 紅外線測溫儀的性能指標及作用 </p> <p> 確定波長范圍：目標材料的發(fā)射率和表面特性決定測溫儀的光譜相應波長對于高反射率合金材料，有低的或變化的發(fā)射率。在高溫區(qū)，測量金屬材料的比較好波長是近紅外，可選用0.8～1.0μm。其他溫區(qū)可選用1.6μm,2.2μm和3.9μm。由于有些材料在一定波長上是透明的，紅外能量會穿透這些材料，對這種材料應選擇特殊的波長。 </p> <p> 確定響應時間：響應時間表示紅外測溫儀對被測溫度變化的反應速度，定義為到達讀數(shù)的95%能量所需要時間，它與光電探測器、信號處理電路及顯示系統(tǒng)的時間常數(shù)有關。如果目標的運動速度很快或測量快速加熱的目標時，要選用快速響應紅外測溫儀，否則達不到足夠的信號響應，會降低測量精度。然而，并不是所有應用都要求 </p> <p> 快速響應的紅外測溫儀。對于靜止的或目標熱過程存在熱慣性時，測溫儀的響應時間就可以放寬要求了。 </p> <p> <br /> 上海人體測溫黑體爐系列人體測溫黑體在高鐵站的應用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海計量人體測溫黑體爐,人體測溫黑體爐" src="https://tyunfile.71360.com/WaterMark/UploadFile/shyjkj1/637463319132692243/5753405.png"></div><p> 上海蕓尖智能科技公司的人體測溫黑體的技術參數(shù)： </p> <p> 有效發(fā)射率：0.95±0.02 </p> <p> 穩(wěn)定性：（±0.1℃/0.1%t的大者）/10min </p> <p> 準確度：±(0.1+0.002|t|)℃ </p> <p> 分辨率：0.01?℃ </p> <p> 升降溫時間：5分鐘 </p> <p> 靶面尺寸：80X80mm </p> <p> 溫度范圍：室溫+5℃~50?℃ </p> <p> 使用環(huán)境：-10℃～60℃ 濕度≤90%RH </p> <p> 外形尺寸mm：L170×W120×H150mm(含地腳) </p> <p> 重量：1.8kg </p> <p> 電源：AC220V， 50W </p> <p> 黑體自動多段修正功能（30-50）可以每個10℃作為一個溫度修正點。 </p> <p> 黑體安裝方式：上下殼1/4安裝接口，平放/吊裝/三腳架安裝 </p> <p> 選配RS485接口 </p><p> 什么叫輻射測溫或者非接觸測溫？ </p> <p> 輻射測溫法又稱為非接觸測溫法，現(xiàn)有的紅外測溫法、光譜測溫法、全輻射測溫法等都屬于這個范疇，它們都是以物體的熱輻射測量為基礎，直接應用了基本的輻射定律。上世紀60年代之前，輻射測溫還主要用于高溫測量(800℃以上)，但隨著紅外技術的發(fā)展，它已逐步擴展到中溫、常溫甚至低溫范圍。本文將簡要介紹非接觸紅外輻射測溫的基本原理、黑體輻射定律及人體輻射特性。對黑體輻射定律及其意義的徹底了解，乃是進行輻射測溫的基礎；對人體輻射特性的研究奠定了利用非接觸紅外輻射測溫法進行體表溫度測量的理論基礎。 </p> <p> <br /> 人體測溫黑體的工作波段8-14um。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海計量人體測溫黑體爐,人體測溫黑體爐" src="https://tyunfile.71360.com/WaterMark/UploadFile/shyjkj1/637463319374196029/5817119.png"></div><p> 輻射能量 </p> <p> 1 隨著溫度的升高，物體的輻射能量越強。這是紅外輻射理論的出發(fā)點，也是單波段紅外測溫儀的設計依據(jù)。 </p> <p> 2 隨著溫度升高，輻射峰值向短波方向移動（向左)，并且滿足維恩位移定理峰值處的波長與溫度T成反比，虛線為處峰值連線。這個公式告訴我們?yōu)槭裁锤邷販y溫儀多工作在短波處，低溫測溫儀多工作在長波處。 </p> <p> 3 輻射能量隨溫度的變化率，短波處比長波處大，即短波處工作的測溫儀相對信噪比高（靈敏度高），抗干擾性強，測溫儀應盡量選擇工作在峰值波長處，特別是低溫小目標的情況下，這一點顯得尤為重要。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> 抗擊**使用的遠紅外黑體。上海大面源人體測溫黑體爐</p><p style="text-indent:25px">熱成像紅外校準設備，人體測溫黑體。上海計量人體測溫黑體爐</p><p> 上海蕓尖智能科技公司為抗擊**，支持各地開展紅外體溫計校準工作，上海蕓尖智能科技推出 HT-C50人體測溫黑體可以應用于校準紅外線熱像儀，主要用于現(xiàn)場對紅外成像測溫儀、紅外測溫儀等進行實時校準，消除紅外測溫系統(tǒng)受現(xiàn)場復雜環(huán)境所產(chǎn)生的誤差，能有效的提高測量精度，提高紅外測溫系統(tǒng)的可靠性，降低檢錯率。 </p> <p> 功能特點： </p> <p> 體積小巧，整機重量1.8kg，便于現(xiàn)場架設。 </p> <p> 溫度控制采用先進的PID控制，控溫穩(wěn)定高。 </p> <p> 升溫速度快，穩(wěn)定所需時間短。 </p> <p> 具有溫度修正功能。上海計量人體測溫黑體爐</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2928088.html</p></div></div></div></div></div><div id="aky4meo" class="page-right twoColRt"><div id="quesm2g" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="goyg4kk" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應</p></a></div><div id="isqkici" class="recomPic likePro"><a 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