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class="xn_c_prodv_26_namewz"><span name="_prodv_26_namewz">產(chǎn)品型號：</span></span> <span id="7btb53x" class="xn_c_prodv_26_namemc"><span id="xn_c_prodv_26_Text1">CCZ-20A型</span></span> </div> <div id="nndldrb" class="xn_c_prodv_26_name" style="line-height: 36px;"> <span id="ft5hp55" class="xn_c_prodv_26_namewz"><span name="_prodv_26_namewz">產(chǎn)品時間：</span></span> <span id="pp5hxx5" class="xn_c_prodv_26_namemc"><span id="xn_c_prodv_26_Text1">2024-07-13</span></span> </div> </div> <div class="vzf5bzl" id="prod_view_ms" class="prod_view_ms"><span id="ShoveWebControl_Text7">雙流量粉塵采樣器粉塵檢定確認：</br>CCZ-20A型防爆粉塵采樣器是一種用于測定環(huán)境空氣中浮游粉塵濃度的檢測儀。根據(jù)GB-20964-2007《粉塵采樣器通用技術(shù)條件》、JJG520-2002《粉塵采樣器鑒定規(guī)程》、Q/320581FYK001-2008《粉塵采樣器企業(yè)標準》及GB3836.4-2010標準中ExibI等級（本質(zhì)安全型）防爆設(shè)計，適用于煤礦井下及其它含有爆炸危險性氣體的作業(yè)場</span></div> </div> <p></p> </dd> </dl> <div id="7pvldrh" class="main_top3"><p>產(chǎn)品介紹</p></div> <div id="x5bjlxh" class="product1 pro_1"> <p><span style="font-size:16px"><span style="font-family:黑體"><strong>雙流量粉塵采樣器粉塵檢定確認</strong>技術(shù)參數(shù)：</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">呼吸性粉塵時：20L/min<br />總粉塵時：25L/min<br />負載能力：＞300Pa<br />采樣流量誤差：≤2.5％<br />采樣范圍：全塵或呼吸性粉塵<br />定時范圍：0-99分鐘內(nèi)任意設(shè)置<br />連續(xù)工作時間：＞120min<br />工作噪聲：≤70dB(A)<br />工作電源：儀器采用Ni-H電池2.5A/h，6節(jié)，并聯(lián)5只10Ω/10W的限流電阻，用環(huán)氧樹脂灌封后置于電池盒內(nèi)，額定電壓Ur：7.2V；其高輸出電壓Uo：9.0V；大輸出電流Io：3.5A<br />采樣效能：符合“BMRC”采樣效能曲線<br />外形尺寸：200×120×75(mm)<br />重量：1.75㎏<br />防爆形式：礦用本質(zhì)安全型，防爆標志：Exib I</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><img src="http://pmo81920b.pic35.websiteonline.cn/upload/20160715164041_13241.png" /></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><strong>雙流量粉塵采樣器粉塵檢定確認</strong>安裝調(diào)整</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><span style="line-height:1.6em">粉塵采樣器配置了兩種粉塵預捕器，根據(jù)測塵需要選用全塵采樣頭或呼吸性粉塵采樣頭。</span></span></span></p><ul style="list-style-type:square"><li><span style="font-size:16px"><span style="font-family:黑體">準備器材</span></span></li><li><span style="font-size:16px"><span style="font-family:黑體">粉塵采樣器主機；</span></span></li><li><span style="font-size:16px"><span style="font-family:黑體">預捕器：全塵式或呼吸性粉塵預捕器；</span></span></li><li><span style="font-size:16px"><span style="font-family:黑體">濾膜：配用φ75mm或φ40的測塵纖維濾膜；</span></span></li><li><span style="font-size:16px"><span style="font-family:黑體">天平：感量為萬分之一的全自動電子分析天平；</span></span></li><li><span style="font-size:16px"><span style="font-family:黑體">硅油：六萬粘度的甲基硅油；</span></span></li><li><span style="font-size:16px"><span style="font-family:黑體">干燥器：采用普通干燥器時，應(yīng)放置變色硅膠；</span></span></li><li><span style="font-size:16px"><span style="font-family:黑體">鑷子：不銹鋼鐘表鑷子；</span></span></li><li><span style="font-size:16px"><span style="font-family:黑體">刮刀：不銹鋼小刮刀。</span></span></li></ul><p><span style="font-size:16px"><span style="font-family:黑體">?<span style="line-height:1.6em">呼吸性粉塵測定</span></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">a 玻璃捕集板先用中性洗滌液浸泡，除去表面污漬，經(jīng)清水漂洗后，再用脫脂棉球及*擦凈。</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">b 用潔凈的小刮刀沾取少量硅油，涂抹在捕集板圓心位置。再向側(cè)邊將硅油刮薄展開，使硅油涂成φ15mm的圓形。由于硅油粘度較高，數(shù)小時后才會出現(xiàn)均勻擴散現(xiàn)象。所以捕集板涂抹硅油的工作，應(yīng)在采樣前提前進行，并保證其不受污染，實驗表明，捕集板上涂抹硅油控制在0.5～5mg范圍內(nèi)，粉塵捕集效果將是不受影響的。</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">c 將已涂好硅油的捕集板，放在天平上稱重并做好記錄備用，放入貼好標簽的樣品盒內(nèi)。工作時，將玻璃捕集板從樣品盒內(nèi)取出，安裝在預捕集器分離裝置前部的捕集板座臺上，用金屬卡環(huán)壓緊，再旋上預捕集器的進氣蓋。</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">d 將潔凈的φ40mm濾膜，除去兩面的襯紙放在天平上稱量并做好記錄，壓入濾膜夾，放入貼好標簽的樣品盒內(nèi)備用。工作時，將裝好濾膜的濾膜夾取出，安裝在分離裝置底座的金屬網(wǎng)上，后旋上已經(jīng)安裝好的預捕集器前段，即告安裝完畢。</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><img alt="" 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