上海點(diǎn)源人體測(cè)溫黑體爐歡迎咨詢上海蕓尖智能科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="紅外線測(cè)溫儀的性能指標(biāo)及作用確定波長(zhǎng)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(zhǎng)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(zhǎng)是近紅外，可選用0.8～1.0μm。其他溫區(qū)可選用1.6μm,2.2μ"><meta name="keywords" content="上海點(diǎn)源人體測(cè)溫黑體爐,人體測(cè)溫黑體爐"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" 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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>上海點(diǎn)源人體測(cè)溫黑體爐,人體測(cè)溫黑體爐</p><p><span>***更新：</span>2021-01-28 04:22:30</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="u5xvwx0" 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="adkt5yu" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="lg8fk8l" class="box"><p><p> 紅外線測(cè)溫儀的性能指標(biāo)及作用 </p> <p> 確定波長(zhǎng)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(zhǎng)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(zhǎng)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(zhǎng)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(zhǎng)。 </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，上海點(diǎn)源人體測(cè)溫黑體爐，上海點(diǎn)源人體測(cè)溫黑體爐，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，上海點(diǎn)源人體測(cè)溫黑體爐。對(duì)于靜止的或目標(biāo)熱過(guò)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 /> 人體測(cè)溫儀-人體測(cè)溫黑體。上海點(diǎn)源人體測(cè)溫黑體爐</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海點(diǎn)源人體測(cè)溫黑體爐,人體測(cè)溫黑體爐" src="https://tyunfile.71360.com/WaterMark/UploadFile/shyjkj1/637463319374196029/5817119.png"></div><p> 紅外測(cè)溫儀材料： </p> <p> 完全滿足上述要求的材料是很少見(jiàn)的。下面舉例說(shuō)明工作在不同溫度范圍的黑休空腔(芯子)所用的材料。水/銅型熱管黑體輻射源工作溫度范圍一般為40-150℃,它的腔體是用紫銅材料制作的。為提高其表面發(fā)射率，通常在腔體內(nèi)壁面上涂以各種黑色涂料。對(duì)于工作溫度在50-900℃范圍內(nèi)腔體材料一般選用不銹鋼。把不銹鋼腔體加熱到800℃, 在它的表面上能夠形成一層發(fā)射率為。那的穩(wěn)定載化膜, 因此在這一溫度范圍內(nèi)，不銹鋼是一種理想的腔體材料。工作在1500℃以下的黑休空腔通常選擇高鋁管或剛玉管，但因這些材料發(fā)射率不高而且隨波長(zhǎng)的不同而變化，所以，都在高鋁或剛玉管的內(nèi)部涂以sic涂料，其發(fā)射率一般可達(dá)0.85-0.9。溫度計(jì)退度在1500℃以上的黑體空腔，常采用高純高致密石墨管制作，在這種情況下，一般是給石墨管直接通電加熱，石墨管本身銳是加熱器又是黑體空腔。直接加熱石基管的黑休空腔溫度可達(dá)3000℃左右。固定式溫度計(jì)中溫黑體爐黑體空腔的加熱元件，一般采用鎳鉻絲或鐵鉻鋁絲。為了改善黑體空腔溫度分布的均勻性，常常在腔體的外側(cè)采用加熱元件的不均勻繞法。例如，在腔體開(kāi)口端附近熱損失較大，一般在這個(gè)部位都增加加熱元件的圈數(shù)，而且越靠近開(kāi)口端越密。上海低溫人體測(cè)溫黑體爐紅外線熱成像測(cè)溫?cái)z像機(jī)與黑體配合抗擊**。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海點(diǎn)源人體測(cè)溫黑體爐,人體測(cè)溫黑體爐" src="https://tyunfile.71360.com/WaterMark/UploadFile/shyjkj1/637461548404508544/2736998.png"></div><p> 紅外線測(cè)溫儀的性能指標(biāo)及作用 </p> <p> 1 確定距離系數(shù)（光學(xué)分辨率）： </p> <p> 2 距離系數(shù)由D：S之比確定，即測(cè)溫儀探頭到目標(biāo)之間的距離D與被測(cè)目標(biāo)直徑之比。如果測(cè)溫儀由于環(huán)境條件限制必須安裝在遠(yuǎn)離目標(biāo)之處，而又要測(cè)量小的目標(biāo)，就應(yīng)選擇高光學(xué)分辨率的測(cè)溫儀。光學(xué)分辨率越高，即增大D：S比值，測(cè)溫儀的成本也越高。如果測(cè)溫儀遠(yuǎn)離目標(biāo)，而目標(biāo)又小，就應(yīng)選擇高距離系數(shù)的測(cè)溫儀。對(duì)于固定焦距的測(cè)溫儀，在光學(xué)系統(tǒng)焦點(diǎn)處為光斑**小位置，近于和遠(yuǎn)于焦點(diǎn)位置光斑都會(huì)增大。存在兩個(gè)距離系數(shù)。 </p><p> 計(jì)量部門(mén)為什么需要對(duì)儀器進(jìn)行校準(zhǔn) </p> <p> 計(jì)量部門(mén)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(zhǎng)期穩(wěn)定性。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(zhǎng)期穩(wěn)定性判定。對(duì)于不準(zhǔn)確的亮度溫度測(cè)量示值超差，以便計(jì)量校準(zhǔn)參考使用。 </p> <p> <br /> 現(xiàn)貨銷售人體測(cè)溫黑體爐。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海點(diǎn)源人體測(cè)溫黑體爐,人體測(cè)溫黑體爐" src="https://tyunfile.71360.com/WaterMark/UploadFile/shyjkj1/637461548211451918/4180776.png"></div><p> 理論上的黑體原理 </p> <p> 測(cè)溫黑體輻射源的結(jié)構(gòu)原理，如果在密閉等溫腔體上開(kāi)一小孔，則從小孔發(fā)射出的輻射應(yīng)該是遙真地模擬了的黑體輻射，且不論對(duì)于哪一種腔體，實(shí)現(xiàn)紅外測(cè)溫儀腔體的等溫性是重要的。用于校準(zhǔn)各種輻射溫度計(jì)的黑體輻射源，其設(shè)計(jì)問(wèn)題包括腔體結(jié)構(gòu)的選擇、實(shí)現(xiàn)腔體等溫分布的方法、提高黑體空腔有效發(fā)射率的措施，以及預(yù)期要達(dá)到的穩(wěn)定的一溫度方法等。測(cè)溫儀腔體的幾何形狀，一般都考慮回錐體、球體、圓柱體或它們的組合體。球形腔體難以制作，也難以均勻加熱。圓柱形(圓筒形)腔體容易制作，但實(shí)現(xiàn)均勻地加熱也不太容易。雙錐形腔體，是經(jīng)常被采用的一種。這種腔體對(duì)開(kāi)口端的過(guò)度冷卻不太敏感，同時(shí)比簡(jiǎn)單的錐形腔體有較高的有效發(fā)射率。包容腔體的大塊材料稱為芯子，理想的芯子材料應(yīng)該有較高的導(dǎo)熱系數(shù)，以使腔壁的溫度梯度減少;在高溫下要有良好的抗氧化性能，大多數(shù)金屬材料在高溫下不氧化是很少見(jiàn)的，但希望氧化后氧化層不脫落，繼續(xù)附著在基休上。此外，還要求腔休材料有較高的發(fā)射率。便攜式人體測(cè)溫黑體輻射源。上海低溫人體測(cè)溫黑體爐</p><p style="text-indent:25px">人體測(cè)溫黑體高發(fā)射黑體。上海點(diǎn)源人體測(cè)溫黑體爐</p><p> 人體測(cè)溫黑體產(chǎn)品特點(diǎn) </p> <p> 1、外觀簡(jiǎn)潔新穎，操作簡(jiǎn)單。 </p> <p> 2、體積小，重量輕，便于攜帶，適用于實(shí)驗(yàn)室還更適合用于現(xiàn)場(chǎng)的校準(zhǔn)工作。 </p> <p> 3、溫度分辨力0.01，控溫穩(wěn)定準(zhǔn)確，波動(dòng)性小，溫場(chǎng)穩(wěn)定性好。 </p> <p> 4、溫控操作簡(jiǎn)單，升溫速度快，溫度穩(wěn)定快，提高檢測(cè)的工作效率。 </p> <p> 5、選用的控溫儀表，操作簡(jiǎn)單，控溫穩(wěn)定，精度高。 </p> <p> 技術(shù)參數(shù) </p> <p> 溫度范圍：+5℃~50℃ </p> <p> 使用環(huán)境溫度：-10℃~60℃ </p> <p> 溫度分辨率：0.01℃ </p> <p> 控溫穩(wěn)定度：±0.01℃/10min </p> <p> 有效發(fā)射率：0.95 </p> <p> 靶面尺寸(mm)80x80 </p> <p> 外形尺寸(mm)長(zhǎng)170×寬130×高150 </p> <p> 凈重1.8kg </p> <p> 大加熱功率50W </p> <p> 電源220VAC/50Hz </p> <p> 專業(yè)從事紅外線人體溫度篩選儀、工地?fù)P塵噪聲監(jiān)測(cè)系統(tǒng)、自動(dòng)氣象檢測(cè)儀器、土壤墑情監(jiān)測(cè)系統(tǒng)、太陽(yáng)能農(nóng)林防控等環(huán)保設(shè)備的高科技生產(chǎn)型企業(yè)。 </p> <p> <br /> </p> <p> <br /> 上海點(diǎn)源人體測(cè)溫黑體爐</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3043529.html</p></div></div></div></div></div><div id="bwxeiqr" class="page-right twoColRt"><div id="znzzdep" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="yxmnnjn" 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(qiáng) 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