松江區(qū)潔凈室噪聲檢測(cè)服務(wù)公司服務(wù)為先上海綠環(huán)商品檢測(cè)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="噪音器檢測(cè)注意事項(xiàng)的原因：1、使用前應(yīng)先閱讀說(shuō)明書(shū)，松江區(qū)潔凈室噪聲檢測(cè)服務(wù)公司，了解儀器的使用方法與注意事項(xiàng)。2、安裝電池或外接電源注意極性，切勿反接。長(zhǎng)期不用應(yīng)取下電池，以免漏液損壞儀器。3、傳聲器切勿拆卸，防止擲摔，不用時(shí)放置妥當(dāng)。4"><meta name="keywords" content="松江區(qū)潔凈室噪聲檢測(cè)服務(wù)公司,噪聲檢測(cè)"><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 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href="http://www.cdcfah.com/cp/first-_huanbao/">環(huán)保</a>?<a href="http://www.cdcfah.com/cp/second-huanbao_hjjcyq/">環(huán)境檢測(cè)儀器</a>?<a href="http://www.cdcfah.com/cp/third-hjjcyq_zaoyinjipy/">噪音計(jì)</a>?松江區(qū)潔凈室噪聲檢測(cè)服務(wù)公司服務(wù)為先上海綠環(huán)商品檢測(cè)供應(yīng)</p><div id="ztlikjv" class="leftbox clearfix"><h1>松江區(qū)潔凈室噪聲檢測(cè)服務(wù)公司服務(wù)為先上海綠環(huán)商品檢測(cè)供應(yīng)</h1><div id="peln32k" class="proBig"><div id="v3vskm7" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SHLHJC1/637449324910438479/921874.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="l8pm3i3" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SHLHJC1/637449324910438479/921874.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="goqnuwq" 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>松江區(qū)潔凈室噪聲檢測(cè)服務(wù)公司,噪聲檢測(cè)</p><p><span>***更新：</span>2021-01-24 03:17:17</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="3qahz7e" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海綠環(huán)商品檢測(cè)有限公司</a></p><p><span>聯(lián)系人：</span>程莉君</p><p><span>郵箱: </span>chenglijun139@163.com</p><p><span>電話(huà): </span>18717976244</p><p><span>傳真: </span>021_62384557</p><p><span>網(wǎng)址: </span>http://www.x-gpi.com</p><p><span>手機(jī): </span>021-62398830</p><p><span>地址: </span>綏德路2弄8號(hào)第四層</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="srewd8v" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="lf73ho8" class="box"><p><p style="text-indent:25px">噪音器檢測(cè)注意事項(xiàng)的原因：1、使用前應(yīng)先閱讀說(shuō)明書(shū)，松江區(qū)潔凈室噪聲檢測(cè)服務(wù)公司，了解儀器的使用方法與注意事項(xiàng)。2、安裝電池或外接電源注意極性，切勿反接。長(zhǎng)期不用應(yīng)取下電池，以免漏液損壞儀器。3、傳聲器切勿拆卸，防止擲摔，不用時(shí)放置妥當(dāng)。4、儀器應(yīng)避免放置于高溫、潮濕、有污水、灰塵及含鹽酸、堿成分高的空氣或化學(xué)氣體的地方。5、勿擅自拆卸儀器。如儀器不正常，可送修理單位或廠方檢修。6、噪音計(jì)注意防水，防止高空摔。主要用途檢查通信干擾用于檢查沒(méi)有網(wǎng)絡(luò)連接通信速度很慢等通信干擾的原因。監(jiān)視生產(chǎn)線設(shè)備的噪聲出現(xiàn)噪聲時(shí)，松江區(qū)潔凈室噪聲檢測(cè)服務(wù)公司，設(shè)備會(huì)產(chǎn)生誤動(dòng)作，生產(chǎn)線可能會(huì)停止運(yùn)行，松江區(qū)潔凈室噪聲檢測(cè)服務(wù)公司。而且這也可能會(huì)成為導(dǎo)致出現(xiàn)次品的原因。通過(guò)監(jiān)視噪聲，可將損失控制在較低限度。另外，也可用于電氣施工行業(yè)、設(shè)備維護(hù)、大樓與工廠的保養(yǎng)、檢查、汽車(chē)方面、電力、通信相關(guān)行業(yè)等。檢測(cè)地線·通信線·電源線的電流干擾和頻率可簡(jiǎn)單觀測(cè)不同頻率帶域的電流干擾水平可收集并記錄不同頻率帶域的干擾水平變動(dòng)可利用電流檢測(cè)出干擾程度，地線的干擾程度也可測(cè)出可捕捉頻譜分析儀以及示波器難于檢測(cè)出的單發(fā)干擾可將測(cè)試數(shù)據(jù)自動(dòng)保存至pc卡內(nèi)，并可長(zhǎng)期進(jìn)行測(cè)試。噪聲功率正比于系統(tǒng)的帶寬，選用的電壓表其帶寬應(yīng)遠(yuǎn)大于被測(cè)系統(tǒng)的噪聲帶寬。松江區(qū)潔凈室噪聲檢測(cè)服務(wù)公司</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="松江區(qū)潔凈室噪聲檢測(cè)服務(wù)公司,噪聲檢測(cè)" src="https://tyunfile.71360.com/UploadFile/SHLHJC1/637449324910438479/921874.png"></div><p style="text-indent:25px">噪聲測(cè)量的統(tǒng)計(jì)特性的測(cè)量：滿(mǎn)度波峰因數(shù)和測(cè)量時(shí)間的影響。波峰因數(shù)是交流電壓的峰值與有效值之比，如正弦波的波峰因數(shù)為。以測(cè)量確知信號(hào)正弦波為例，當(dāng)有效值電壓表指示滿(mǎn)度時(shí)，其寬帶放大器所承受的較大瞬時(shí)電壓（峰值）為有效值的倍，若放大器的動(dòng)態(tài)范圍足夠，不會(huì)產(chǎn)生測(cè)量誤差。所以，對(duì)電壓表中使用的放大器，可用其滿(mǎn)度波峰因數(shù)間接反映放大器的動(dòng)態(tài)范圍般測(cè)量正弦波的電壓表來(lái)說(shuō)，要求電壓表具有的滿(mǎn)度波峰因數(shù)就可勝任。由于噪聲電壓的峰值是隨機(jī)的，即其波峰因數(shù)也是隨機(jī)的，所以，只能用統(tǒng)計(jì)學(xué)方法來(lái)定量描述峰值大于有效值的概率，以高斯白噪聲為例，其峰值是波峰因數(shù)大于4．4出現(xiàn)的概率為0.001%。所以，若電壓表的滿(mǎn)度波峰因數(shù)大于4．4，那么，用來(lái)測(cè)量高斯白噪聲是足夠的，因?yàn)?，這時(shí)電壓表只對(duì)出現(xiàn)概率小于0．001%的那些高峰值不予計(jì)及（被放大器削波），分析指出，由此產(chǎn)生的測(cè)量誤差為-0．05%。松江區(qū)潔凈室噪聲檢測(cè)服務(wù)公司必須注意電壓表的檢波特性，有效值電壓表是測(cè)量噪聲電壓比較理想的儀表。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="松江區(qū)潔凈室噪聲檢測(cè)服務(wù)公司,噪聲檢測(cè)" src="https://tyunfile.71360.com/UploadFile/SHLHJC1/637437362640688700/8493263.png"></div><p style="text-indent:25px">環(huán)境噪聲測(cè)量注意事項(xiàng)有哪些：（1）環(huán)境噪聲測(cè)量主要是要取得指定區(qū)域噪聲的隨時(shí)間和地點(diǎn)不同的分布情況，測(cè)量時(shí)要根據(jù)與測(cè)量目的相對(duì)應(yīng)的有關(guān)標(biāo)準(zhǔn)的要求開(kāi)展測(cè)量工作。（2）選擇測(cè)量?jī)x器時(shí)，首先應(yīng)根據(jù)測(cè)量需要，決定儀器的精度等級(jí)和性能規(guī)格，即要求所使用的儀器在頻率計(jì)權(quán)、時(shí)間計(jì)權(quán)和允許誤差等方面具有標(biāo)準(zhǔn)規(guī)定的性能，包括一起的統(tǒng)計(jì)分析功能、自動(dòng)檢測(cè)與記錄功能和足夠的動(dòng)態(tài)范圍等。（3）環(huán)境噪聲測(cè)量時(shí)，須注意使用之前應(yīng)使用活塞發(fā)聲器或聲級(jí)校準(zhǔn)器對(duì)聲級(jí)計(jì)進(jìn)行校準(zhǔn)。（4）進(jìn)行噪聲測(cè)量時(shí)應(yīng)注意對(duì)背景聲進(jìn)行修正。</p><p style="text-indent:25px">噪聲是一種惡性刺激物，長(zhǎng)期作用于人的系統(tǒng)，可使大腦皮層的興奮和克制失調(diào)，條件反射異常，出現(xiàn)頭暈、、耳鳴、多夢(mèng)、、心慌、記憶力減退、注意力不集中等癥狀，嚴(yán)重者可產(chǎn)生精神錯(cuò)亂。這種癥狀，藥物治療療效很差，但當(dāng)脫離噪聲環(huán)境時(shí)，癥狀就會(huì)明顯好轉(zhuǎn)。噪聲可引起植物神經(jīng)系統(tǒng)功能紊亂，表現(xiàn)在血壓升高或降低，心率改變，心臟病加劇。噪聲會(huì)使人唾液、胃液分泌減少，胃酸降低，胃蠕動(dòng)減弱，食欲不振，引起胃潰瘍。噪聲對(duì)人的內(nèi)分泌機(jī)能也會(huì)產(chǎn)生影響，如：導(dǎo)致女性性機(jī)能紊亂，月經(jīng)失調(diào)，流產(chǎn)率增加等。噪聲對(duì)兒童的智力發(fā)育也有不利影響，據(jù)調(diào)查，3歲前兒童生活在75分貝的噪聲環(huán)境里，他們的心腦功能發(fā)育都會(huì)受到不同程度的損害，在噪聲環(huán)境下生活的兒童，智力發(fā)育水平要比安靜條件下的兒童低20％。噪聲對(duì)人的心理影響主要是使人煩惱、激動(dòng)、易怒，甚至失去理智。此外，噪聲還對(duì)動(dòng)物、建筑物有損害，在噪聲下的植物也生長(zhǎng)不好，有的甚至死亡。適用于一般測(cè)量和普通調(diào)查。脈沖精密聲級(jí)計(jì)除用于測(cè)量穩(wěn)態(tài)聲源功率外。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="松江區(qū)潔凈室噪聲檢測(cè)服務(wù)公司,噪聲檢測(cè)" src="https://tyunfile.71360.com/UploadFile/SHLHJC1/637449324825272384/4274578.png"></div><p style="text-indent:25px">不同區(qū)域噪聲檢測(cè)方法：若是廠界存在圍墻，則噪聲檢測(cè)點(diǎn)必須在圍墻以上，應(yīng)根據(jù)實(shí)際狀況合理設(shè)置布點(diǎn)的數(shù)量。接下來(lái)要按照各噪聲測(cè)點(diǎn)位置開(kāi)展噪聲檢測(cè)工作，同時(shí)認(rèn)真記錄相關(guān)數(shù)據(jù)，確保將工業(yè)等場(chǎng)所噪聲檢測(cè)結(jié)果準(zhǔn)確顯示出來(lái)。三是建筑施工噪聲檢測(cè)。在建筑施工場(chǎng)地噪聲檢測(cè)過(guò)程中，應(yīng)從被檢測(cè)建筑物的建筑方案出發(fā)，將噪聲檢測(cè)位置與氛圍合理確定下來(lái)。應(yīng)較全掌握建筑物形成污染源位置，之后在建筑施工現(xiàn)場(chǎng)邊界線上選擇污染源較近的檢測(cè)點(diǎn)，并從施工現(xiàn)場(chǎng)實(shí)際情況出發(fā)，有針對(duì)性作出調(diào)整，保證獲得較佳的噪聲檢測(cè)結(jié)果。當(dāng)環(huán)境天氣風(fēng)速大于四級(jí)時(shí)，應(yīng)停止室外測(cè)量。松江區(qū)潔凈室噪聲檢測(cè)服務(wù)公司</p><p style="text-indent:25px">在實(shí)踐中不斷作出修改與調(diào)整，保證其適用性與先進(jìn)性。松江區(qū)潔凈室噪聲檢測(cè)服務(wù)公司</p><p style="text-indent:25px">噪聲監(jiān)測(cè)要點(diǎn)：（1）固定聲源的影響。監(jiān)測(cè)時(shí)間：穩(wěn)態(tài)噪聲測(cè)量1min的等效聲級(jí)，如晝間測(cè)量1min得到Ld，夜間測(cè)量1min得到Ln。非穩(wěn)態(tài)噪聲測(cè)量整個(gè)工作時(shí)間（或有替代性時(shí)段）的等效聲級(jí)。監(jiān)測(cè)頻次：一般為不少于連續(xù)監(jiān)測(cè)2天，晝夜各2次，即每天晝間監(jiān)測(cè)1次，夜間監(jiān)測(cè)1次。（2）交通噪聲源（流動(dòng)聲源）監(jiān)測(cè)時(shí)間：對(duì)于道路交通，晝、夜各測(cè)量不低于平均運(yùn)行密度的20min等效聲級(jí)Leq。對(duì)于鐵路、城市軌道交通（地面段）、內(nèi)河航道，晝、夜各測(cè)量不低于平均運(yùn)行密度的1h等效聲級(jí)Leq，若城市軌道交通（地面段）的運(yùn)行車(chē)次密集，測(cè)量時(shí)間可縮短至20min。松江區(qū)潔凈室噪聲檢測(cè)服務(wù)公司</p><p style="text-indent:25px">上海綠環(huán)商品檢測(cè)有限公司主要經(jīng)營(yíng)范圍是儀器儀表，擁有一支專(zhuān)業(yè)技術(shù)團(tuán)隊(duì)和良好的市場(chǎng)口碑。上海綠環(huán)商品檢測(cè)致力于為客戶(hù)提供良好的環(huán)境監(jiān)測(cè)，公共場(chǎng)所衛(wèi)生檢測(cè)，建設(shè)工程衛(wèi)生學(xué)評(píng)價(jià)，室內(nèi)空氣檢測(cè)，一切以用戶(hù)需求為中心，深受廣大客戶(hù)的歡迎。公司秉持誠(chéng)信為本的經(jīng)營(yíng)理念，在儀器儀表深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢(shì)，打造儀器儀表良好品牌。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶(hù)成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2983041.html</p></div></div></div></div></div><div id="n8gnphg" class="page-right twoColRt"><div id="uz7mqry" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="isumo8z" 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) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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