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class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_yiqiyibiao/">儀器儀表</a>?<a href="http://www.cdcfah.com/cp/second-yiqiyibiao_jlbzqj/">計(jì)量標(biāo)準(zhǔn)器具</a>?<a href="http://www.cdcfah.com/cp/third-jlbzqj_gxjlbzqj/">光學(xué)計(jì)量標(biāo)準(zhǔn)器具</a>?上海人體測(cè)溫黑體爐銷售廠家歡迎來電上海蕓尖智能科技供應(yīng)</p><div id="m8ouqgm" class="leftbox clearfix"><h1>上海人體測(cè)溫黑體爐銷售廠家歡迎來電上海蕓尖智能科技供應(yīng)</h1><div id="q240iwu" class="proBig"><div id="ey4oocy" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shyjkj1/637463319003190181/4064101.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="sm4aa20" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shyjkj1/637463319003190181/4064101.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="yy2gsyw" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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(guān)鍵詞：</span>上海人體測(cè)溫黑體爐銷售廠家,人體測(cè)溫黑體爐</p><p><span>***更新：</span>2021-01-16 07:20:49</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="w4swusy" 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(jī): </span>021-13564032</p><p><span>地址: </span>上海市浦東新區(qū)金亭路8號(hào)3-2</p><p>[當(dāng)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="a4o4msg" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="cgkigmk" class="box"><p><p> 人體測(cè)溫黑體的主要技術(shù)指標(biāo) </p> <p> 工作環(huán)境溫濕度：室溫-10℃-60℃/≤80%RH </p> <p> 黑體溫度范圍：室溫-50℃可調(diào)； </p> <p> 溫度分辨率：0.01℃； </p> <p> 溫度穩(wěn)定性：±0.1℃（0.1t的大者）/10min </p> <p> 溫控精度：±0.1℃；（環(huán)境穩(wěn)定） </p> <p> 有效輻射面：80mm×80mm </p> <p> 等效發(fā)射率：0.96±0.02 </p> <p> 功率：110-220VAC/50Hz 50W </p> <p> 體積：長×寬×高170mm×120mm×150mm </p> <p> 重量：≤1.8kg </p> <p> 安裝方式：上下殼體預(yù)留1/4UNU18安裝螺紋，上海人體測(cè)溫黑體爐銷售廠家，上海人體測(cè)溫黑體爐銷售廠家，上海人體測(cè)溫黑體爐銷售廠家，平面放置，吊裝，三腳架安裝，實(shí)驗(yàn)室擺放，高低溫箱使用。 </p> <p> 適用熱像儀：大華海康大立高德艾睿等等等 </p> <p> <br /> </p> <p> <br /> 人體測(cè)溫黑體的精度。上海人體測(cè)溫黑體爐銷售廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海人體測(cè)溫黑體爐銷售廠家,人體測(cè)溫黑體爐" src="https://tyunfile.71360.com/WaterMark/UploadFile/shyjkj1/637463319003190181/4064101.png"></div><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(gè)參照物，相當(dāng)于一個(gè)零點(diǎn)。但現(xiàn)實(shí)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(duì)任一波長，定義發(fā)射率為該波長的一個(gè)微小波長間隔內(nèi)，真實(shí)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(cè)條件。如果發(fā)射率與波長無關(guān)，那么可把物體叫作灰體(grey body)，否則叫選擇性輻射體。紅外熱像儀在長期使用的過程中會(huì)受外部因素影響，而造成誤差，所以需要用黑體來校準(zhǔn) </p> <p> <br /> </p> <p> <br /> 上海人體測(cè)溫黑體爐廠家定價(jià)人體測(cè)溫黑的上海生產(chǎn)廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海人體測(cè)溫黑體爐銷售廠家,人體測(cè)溫黑體爐" src="https://tyunfile.71360.com/WaterMark/UploadFile/shyjkj1/637461548100231300/1820748.png"></div><p> 我們換一個(gè)角度來說：??所謂黑體輻射其實(shí)就是當(dāng)?shù)氐臓顟B(tài)光和物質(zhì)達(dá)到平衡所表現(xiàn)出的現(xiàn)象：物質(zhì)達(dá)到平衡，所以可以用一個(gè)溫度來描述物質(zhì)的狀態(tài)，而光和物質(zhì)的交互作用很強(qiáng)，而如此光和光之間也可以用一個(gè)溫度來描述（光和光之間本身不會(huì)有交互作用，但光和物質(zhì)的交互作用很強(qiáng)）。而描述這關(guān)系的便是普朗克分布(Plank?distribution)。?而在現(xiàn)實(shí)上黑體輻射是不存在的，只有非常近似（好比在一顆恒星之中），因?yàn)槔碚撋系暮隗w是發(fā)射率等于1.0，但是現(xiàn)實(shí)中發(fā)射率做不到1.0. </p> <p> <br /> </p><p> 紅外線測(cè)溫儀的性能指標(biāo)及作用 </p> <p> 確定波長范圍：目標(biāo)材料的發(fā)射率和表面特性決定測(cè)溫儀的光譜相應(yīng)波長對(duì)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(cè)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(huì)穿透這些材料，對(duì)這種材料應(yīng)選擇特殊的波長。 </p> <p> <br /> </p> <p> 確定響應(yīng)時(shí) 間：響應(yīng)時(shí)間表示紅外測(cè)溫儀對(duì)被測(cè)溫度變化的反應(yīng)速度，定義為到達(dá)***讀數(shù)的95%能量所需要時(shí)間，它與光電探測(cè)器、信號(hào)處理電路及顯示系統(tǒng)的時(shí)間常數(shù)有關(guān)。如果目標(biāo)的運(yùn)動(dòng)速度很快或測(cè)量快速加熱的目標(biāo)時(shí)，要選用快速響應(yīng)紅外測(cè)溫儀，否則達(dá)不到足夠的信號(hào)響應(yīng)，會(huì)降低測(cè)量精度。然而，并不是所有應(yīng)用都要求 </p> <p> 快速響應(yīng)的紅外測(cè)溫儀。對(duì)于靜止的或目標(biāo)熱過程存在熱慣性時(shí)，測(cè)溫儀的響應(yīng)時(shí)間就可以放寬要求了。 </p> <p> <br /> 便攜式人體測(cè)溫黑體爐校準(zhǔn)規(guī)范。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海人體測(cè)溫黑體爐銷售廠家,人體測(cè)溫黑體爐" src="https://tyunfile.71360.com/WaterMark/UploadFile/shyjkj1/637461548211451918/4180776.png"></div><p> 計(jì)量部門對(duì)篩檢儀進(jìn)行現(xiàn)場(chǎng)校準(zhǔn)的主要目的，是保證其亮度溫度測(cè)量的溯源性和長期穩(wěn)定性。 </p> <p> 根據(jù)JJF?1107-2003?《測(cè)量人體溫度的紅外溫度計(jì)校準(zhǔn)規(guī)范》，對(duì)篩檢儀的計(jì)量性能檢測(cè)項(xiàng)目主要針對(duì)報(bào)警溫度點(diǎn)進(jìn)行校準(zhǔn)，目的是保證篩檢儀測(cè)量黑體的溫度準(zhǔn)確，從而保證測(cè)量人臉某部位的亮度溫度準(zhǔn)確。亮度溫度校準(zhǔn)將保證同一現(xiàn)場(chǎng)條件下的篩檢儀可以使用相同修正數(shù)據(jù)，也便于探索不同條件下統(tǒng)一的體溫修正規(guī)律。示值誤差用于修正溫度值和長期穩(wěn)定性判定。對(duì)于不***的亮度溫度測(cè)量示值超差， </p> <p> <br /> 現(xiàn)貨銷售人體測(cè)溫黑體爐。上海人體測(cè)溫黑體爐廠家定價(jià)</p><p style="text-indent:25px">人體測(cè)溫黑體如何修正參數(shù)。上海人體測(cè)溫黑體爐銷售廠家</p><p style="text-indent:25px">復(fù)工復(fù)產(chǎn)的熱潮來了，打好**防控的阻擊戰(zhàn)，確保安全有序的復(fù)工復(fù)產(chǎn)是異常“硬仗”，不少企業(yè)選擇購買熱成像技術(shù)的設(shè)備來輔助復(fù)工防疫排查的工作，但是熱成像測(cè)溫的攝像頭有很多種，都建議搭配黑體使用，對(duì)溫度的測(cè)量會(huì)更加精細(xì)，那么熱成像技術(shù)中的黑體是什么意思？黑體有什么樣的作用？其實(shí)黑體是一種理想化的輻射體，它能吸收所有波長的輻射能量，沒有能量的反射和透過。也就是說，***黑體只發(fā)射紅外電磁波，但不反射外界環(huán)境的電磁波，使其輻射情況只于溫度有關(guān)，有效避免外界環(huán)境干擾以及自身材料影響。因此，紅外熱成像系統(tǒng)可以利用黑體的特性開展測(cè)溫標(biāo)定：將黑體輻射源（校準(zhǔn)裝置）設(shè)置在熱成像攝像機(jī)視野范圍內(nèi)，建立灰度與溫度的準(zhǔn)確對(duì)應(yīng)關(guān)系，進(jìn)行測(cè)量溫度實(shí)時(shí)校正，將視頻畫面和個(gè)人體溫對(duì)應(yīng)顯示，可以大幅度提高人體測(cè)溫的精度，減少測(cè)溫誤差到±0.3℃。上海人體測(cè)溫黑體爐銷售廠家</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2871415.html</p></div></div></div></div></div><div id="ywmsi2m" class="page-right twoColRt"><div id="ci4ykqo" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="wcaq4gk" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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