云南保羅PORA傳感器代理商抱誠(chéng)守真上海持承自動(dòng)化設(shè)備供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="拾音器即麥克風(fēng)傳感器功能分類：1、主動(dòng)式拾音器主動(dòng)拾音器相對(duì)于被動(dòng)拾音器優(yōu)點(diǎn)：功率大、噪音小、延音好、增益好。缺點(diǎn)：就是對(duì)琴體木材的音色特點(diǎn)反映不好，而且沒(méi)有被動(dòng)拾音器的那種非常有特點(diǎn)的PASSIVE音色。2、被動(dòng)式拾音器優(yōu)點(diǎn)：是忠實(shí)反映木"><meta name="keywords" content="云南保羅PORA傳感器代理商,傳感器"><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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id="th3sugi" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/second-_yiqiyibiao/">儀器儀表</a>?<a href="http://www.cdcfah.com/cp/third-yiqiyibiao_chuanganqi/">傳感器</a>?云南保羅PORA傳感器代理商抱誠(chéng)守真上海持承自動(dòng)化設(shè)備供應(yīng)</p><div id="f3zdfhj" class="leftbox clearfix"><h1>云南保羅PORA傳感器代理商抱誠(chéng)守真上海持承自動(dòng)化設(shè)備供應(yīng)</h1><div id="hldaxj2" class="proBig"><div id="xgdk2ws" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shchicheng/637439888053671733/356777.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="7rdvnp5" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shchicheng/637439888053671733/356777.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="x378arl" 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>云南保羅PORA傳感器代理商,傳感器</p><p><span>***更新：</span>2021-02-02 04:19:06</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="tihzwdc" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海持承自動(dòng)化設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>林生</p><p><span>郵箱: </span>2851096290@qq.com</p><p><span>電話: </span>13795447976</p><p><span>傳真: </span>021_71506557</p><p><span>網(wǎng)址: </span>http://www.shccautom.com</p><p><span>手機(jī): </span>021-59112708</p><p><span>地址: </span>呂巷鎮(zhèn)干巷榮昌路318號(hào)3幢1018室</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="8nkmo73" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="es3k7z3" class="box"><p><p> 拾音器即麥克風(fēng)傳感器功能分類： </p> <p> 1、主動(dòng)式拾音器 </p> <p> 主動(dòng)拾音器相對(duì)于被動(dòng)拾音器 </p> <p> 優(yōu)點(diǎn)：功率大、噪音小、延音好、增益好。 </p> <p> 缺點(diǎn)：就是對(duì)琴體木材的音色特點(diǎn)反映不好，而且沒(méi)有被動(dòng)拾音器的那種非常有特點(diǎn)的PASSIVE 音色。 </p> <p> 2、被動(dòng)式拾音器 </p> <p> 優(yōu)點(diǎn)：是忠實(shí)反映木材音色。 </p> <p> 缺點(diǎn)：噪音大、增益不好、功率小。 </p> <p> 拾音器即麥克風(fēng)傳感器應(yīng)用場(chǎng)合： </p> <p> 應(yīng)用于中國(guó)航空航天、**重點(diǎn)工程、**指揮系統(tǒng)、**電子裝備、高鐵列車車廂，云南保羅PORA傳感器代理商、銀行金融系統(tǒng)、證券交易所，云南保羅PORA傳感器代理商、監(jiān)獄監(jiān)倉(cāng)、探訪室、公檢法審訊室、巡邏、戶外車載指揮車、公交車、地鐵、派出所、法院庭審、司法督察、高速公路收費(fèi)站、服務(wù)窗口、大廳、戒毒所、工商（稅務(wù)）調(diào)解室、檔案館、博物館、勞教所、機(jī)楊安檢通道、邊檢口岸、海關(guān)哨所、醫(yī)院、學(xué)校多媒體課室、教室講臺(tái)、會(huì)議室主席臺(tái)、投標(biāo)室、評(píng)標(biāo)室、拍賣行、廣播廣電，云南保羅PORA傳感器代理商、娛樂(lè)廣場(chǎng)、街道、公務(wù)機(jī)關(guān)大門、室外曠野同步錄音錄像等各個(gè)領(lǐng)域，總之需要對(duì)聲音進(jìn)行采集的地方。 </p> <p> <br /> 上海持承自動(dòng)化設(shè)備有限公司主打脈沖力錘傳感器，如需技術(shù)支持，可留言我們！云南保羅PORA傳感器代理商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南保羅PORA傳感器代理商,傳感器" src="https://tyunfile.71360.com/WaterMark/UploadFile/shchicheng/637439888053671733/356777.jpg"></div><p> 壓力傳感器故障檢測(cè)： </p> <p> 檢查施工現(xiàn)場(chǎng)出現(xiàn)的故障，絕大多數(shù)是由于壓力傳感器使用和安裝方法不當(dāng)引起的，歸納起來(lái)有幾個(gè)方面。 </p> <p> 1、一次元件(孔板、遠(yuǎn)傳測(cè)量接頭等)堵塞或安裝形式不對(duì)，取壓點(diǎn)不合理。 </p> <p> 2、引壓管泄漏或堵塞，充液管里有殘存氣體或充氣管里有殘存液體，變送器過(guò)程法蘭中存有沉積物，形成測(cè)量死區(qū)。 </p> <p> 3、變送器接線不正確，電源電壓過(guò)高或過(guò)低，指示表頭與儀表接線端子連接處接觸不良。 </p> <p> 4、沒(méi)有嚴(yán)格按照技術(shù)要求安裝，安裝方式和現(xiàn)場(chǎng)環(huán)境不符合技術(shù)要求。 </p> <p> <br /> 四川PCB力傳感器源頭采購(gòu)上海持承自動(dòng)化設(shè)備有限公司主營(yíng)加速度傳感器，如有需求，敬請(qǐng)來(lái)電！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南保羅PORA傳感器代理商,傳感器" src="https://tyunfile.71360.com/WaterMark/UploadFile/shchicheng/637439887965751668/2774365.jpg"></div><p> 加速度傳感器的選型： </p> <p> 測(cè)量頻率范圍 </p> <p> 傳感器的頻率測(cè)量范圍是指?jìng)鞲衅髟谝?guī)定的頻率響應(yīng)幅值誤差內(nèi)（±5%, ±10%, ±3dB）傳感器所能測(cè)量的頻率范圍。頻率范圍的高，低限分別稱為高，低頻截至頻率。截至頻率與誤差直接相關(guān)，所允許的誤差范圍大則其頻率范圍也就寬。作為一般原則，傳感器的高頻響應(yīng)取決于傳感器的機(jī)械特性，而低頻響應(yīng)則由傳感器和后繼電路的綜合電參數(shù)所決定。高頻截止頻率高的傳感器必然是體積小，重量輕，反之用于低頻測(cè)量的高靈敏度傳感器相對(duì)來(lái)說(shuō)則一定體積大和重量重。 </p> <p> 內(nèi)部結(jié)構(gòu) </p> <p> 內(nèi)部結(jié)構(gòu)是指敏感材料晶體片感受振動(dòng)的方式及安裝形式，有壓縮和剪切兩大類，常見(jiàn)的有中心壓縮、平面剪切、環(huán)型剪切。中心壓縮頻響高于剪切型，剪切型的環(huán)境適應(yīng)性好于中心壓縮型。如配用積分型電荷放大器測(cè)量速度、位移時(shí)，較好選用剪切型產(chǎn)品，這樣所得信號(hào)波動(dòng)小，穩(wěn)定性好。 </p> <p> 取決于系統(tǒng)和加速度傳感器之間的接口。一般模擬輸出的電壓和加速度是成比例的。數(shù)字輸出一般使用脈寬調(diào)制（PWM）信號(hào)。 </p> <p> 內(nèi)置電路 </p> <p> 內(nèi)置的概念是將電荷/電壓轉(zhuǎn)換放大電路置于加速度計(jì)內(nèi)，成為具有電壓輸出功能的傳感元件。它可分雙電源(四線)及單電源(二線并帶偏置的稱ICP)兩種，下面所指內(nèi)裝電路專指ICP型。 </p> <p> <br /> </p><p> 壓力傳感器性能參數(shù)： </p> <p> 壓力傳感器的種類繁多，其性能也有較大的差異，如何選擇較為適用的傳感器，做到經(jīng)濟(jì)、合理的使用。 </p> <p> 1. 損壞壓力 </p> <p> 損壞壓力是指能夠加在傳感器上且不使傳感器元件或傳感器外殼損壞的較大壓力。 </p> <p> 2. 線性度 </p> <p> 線性度是指在工作壓力范圍內(nèi)，傳感器輸出與壓力之間直線關(guān)系的較大偏離。 </p> <p> 3壓力遲滯 </p> <p> 為在室溫下及工作壓力范圍內(nèi)，從較小工作壓力和較大工作壓力趨近某一壓力時(shí)，傳感器輸出之差。 </p> <p> 4.溫度范圍 </p> <p> 壓力傳感器的溫度范圍分為補(bǔ)償溫度范圍和工作溫度范圍。補(bǔ)償溫度范圍是由于施加了溫度補(bǔ)償，精度進(jìn)入額定范圍內(nèi)的溫度范圍。工作溫度范圍是保證壓力傳感器能正常工作的溫度范圍。 </p> <p> 技術(shù)參數(shù) ： </p> <p> （量程15MPa-200MPa） </p> <p> 參數(shù) 單位技術(shù)指標(biāo) 參數(shù) 單位技術(shù)指標(biāo) </p> <p> 靈敏度 mV/V 1.0±0.05 靈敏度溫度系數(shù) ≤%F·S/10℃ ±0.03 </p> <p> 非線性 ≤%F·S ±0.02～±0.03 工作溫度范圍 ℃ -20℃～+80℃ </p> <p> 滯后 ≤%F·S ±0.02～±0.03 輸入電阻 Ω 400±10Ω </p> <p> 重復(fù)性 ≤%F·S ±0.02～±0.03 輸出電阻 Ω 350±5Ω </p> <p> 蠕變 ≤%F·S/30min ±0.02 安全過(guò)載 ≤%F·S 150% F·S </p> <p> 零點(diǎn)輸出 ≤%F·S ±2 絕緣電阻 MΩ ≥5000MΩ(50VDC) </p> <p> 零點(diǎn)溫度系數(shù) ≤%F·S/10℃ ±0.03 推薦激勵(lì)電壓 V 10V-15V 上海持承自動(dòng)化設(shè)備有限公司主營(yíng)糾偏傳感器，如需選型樣本，請(qǐng)通知我們！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南保羅PORA傳感器代理商,傳感器" src="https://tyunfile.71360.com/WaterMark/UploadFile/shchicheng/637439888047294814/7764384.jpg"></div><p> <p> 如何理解傳感器電流輸出信號(hào)？ </p> <p> 在連續(xù)7天24小時(shí)過(guò)程監(jiān)控應(yīng)用中，需要PLC，DCS或SCADA系統(tǒng)記錄、分析信號(hào)趨勢(shì)，具有4-20mA輸出信號(hào)的振動(dòng)變送器是比較理想的選擇。但是4-20mA信號(hào)究竟表達(dá)什么呢？因?yàn)榇蠖鄶?shù)振動(dòng)變送器的基礎(chǔ)傳感元件跟典型的加速度計(jì)一樣或者相似，變送器將AC交流原始電壓信號(hào)在內(nèi)部轉(zhuǎn)化成電流信號(hào)。在轉(zhuǎn)化的過(guò)程中，電流輸出可能擴(kuò)展為以下三個(gè)值中之一： </p> <p> RMS (root mean square) 有效值RMS（均方根值） </p> <p> AC信號(hào)轉(zhuǎn)換到DC信號(hào)并不是平均每個(gè)AC信號(hào)值那么簡(jiǎn)單。對(duì)于正弦波，正半周期和負(fù)半周期是相等的，這個(gè)平均會(huì)產(chǎn)生零，沒(méi)有測(cè)量數(shù)值。相反，為了獲取有用的結(jié)果，對(duì)AC信號(hào)進(jìn)行加權(quán)平均計(jì)算，術(shù)語(yǔ)稱為均方根值（RMS）。 </p> <p> Peak 峰值 </p> <p> True Peak 真實(shí)峰值 </p> <p> 一個(gè)4-20mA變送器轉(zhuǎn)換加速度電壓輸出到電流輸出，是通過(guò)多個(gè)電路過(guò)程來(lái)實(shí)現(xiàn)的。在AC到DC電壓轉(zhuǎn)換過(guò)程中，所有的頻率數(shù)據(jù)都從信號(hào)中消除。 </p> <p> <br /> </p> </p> <p> <br /> 上海持承自動(dòng)化設(shè)備有限公司主營(yíng)接近開(kāi)關(guān)傳感器，如有任何需求，撥打我司電話！遼寧PCB麥克風(fēng)傳感器源頭采購(gòu)</p><p style="text-indent:25px">上海持承自動(dòng)化設(shè)備有限公司主營(yíng)扭矩/扭力傳感器，有什么疑問(wèn)，歡迎咨詢！云南保羅PORA傳感器代理商</p><p> 拾音器即麥克風(fēng)傳感器選擇和注意事項(xiàng)： </p> <p> 一、拾音器安裝位置的選擇 </p> <p> 1、天花板吸頂或吊頂安裝。 </p> <p> 2、墻面?zhèn)葤彀惭b。 </p> <p> 3、桌面嵌入式安裝。 </p> <p> 4、埋墻隱蔽安裝。 </p> <p> 注意：安裝位置盡量以談話區(qū)域?yàn)橹行?。安裝原則：盡量靠近主要的談話區(qū)域，這樣的拾音效果更佳。 </p> <p> 二、拾音器連接電纜的選擇及布線 </p> <p> 拾音器可以使用普通4 芯電話線、5 類網(wǎng)絡(luò)雙絞線、屏蔽/非屏蔽信號(hào)電纜等。 </p> <p> 拾音器供電一般分為兩種： </p> <p> 1、單獨(dú)供電（推薦穩(wěn)壓電源。 </p> <p> 2、集中供電（在機(jī)房集中供電），用3×0.5 RVVP芯電纜，分別為電源正、音頻信號(hào)正、公共地。電磁復(fù)雜環(huán)境可以使用屏蔽電纜，其屏蔽層單端連接設(shè)備地。即拾音器（拾音器）一端的屏蔽網(wǎng)懸空，設(shè)備端的屏蔽網(wǎng)接設(shè)備地（機(jī)殼）。注意：布線時(shí)比較好單獨(dú)走線，不要同交流電等強(qiáng)電使用同一纜槽，同時(shí)盡量遠(yuǎn)離變壓器、燈具整流器等強(qiáng)電磁干擾設(shè)備。 </p> <p> 3、怎么選擇供電電源 </p> <p> 安裝時(shí)要考慮到電源效率和線損問(wèn)題，盡量選用標(biāo)稱值較高的電源。這里所指的直流穩(wěn)壓電源就是常說(shuō)的“線型變壓器”，一般由電源變壓器、整流二極管、濾波電容及集成穩(wěn)壓器構(gòu)成。盡量不要使用開(kāi)關(guān)電源，它可能會(huì)導(dǎo)致大量的電路雜音！市面上很多開(kāi)關(guān)電源品質(zhì)差，紋波系數(shù)非常大，會(huì)引起拾音器有嗡嗡聲。 </p> <p> <br /> </p> <p> <br /> 云南保羅PORA傳感器代理商</p><p style="text-indent:25px">上海持承自動(dòng)化設(shè)備有限公司致力于機(jī)械及行業(yè)設(shè)備，是一家服務(wù)型公司。公司業(yè)務(wù)分為變頻器，傳感器，伺服系統(tǒng)，糾偏系統(tǒng)等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司從事機(jī)械及行業(yè)設(shè)備多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。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/3120203.html</p></div></div></div></div></div><div id="fyqnpgd" class="page-right twoColRt"><div id="mb82coa" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="qaxzrd3" class="recomPic likePro"><a 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