TAM8701系列(lie)光(guang)功率(lv)計是(shi)針對(dui)客戶的(de)(de)(de)需(xu)求并(bing)結合(he)國外(wai)光(guang)儀(yi)表(biao)的(de)(de)(de)特點自(zi)主研發(fa)的(de)(de)(de)一款全新(xin)光(guang)功率(lv)測(ce)試儀(yi)表(biao)。靈巧的(de)(de)(de)外(wai)形、可自(zi)由選擇開關(guan)的(de)(de)(de)背(bei)光(guang)顯示、友好的(de)(de)(de)操作界面使您(nin)對(dui)它頓生好感(gan),超寬(kuan)的(de)(de)(de)光(guang)功率(lv)測(ce)試量程、精(jing)準的(de)(de)(de)測(ce)試精(jing)度以(yi)及全新(xin)的(de)(de)(de)用戶自(zi)校功能會讓您(nin)的(de)(de)(de)工作更加出色(se)。獨到的(de)(de)(de)通用接口(kou)(kou)設(she)計,FC/SC/ST等接口(kou)(kou)通用,無需(xu)復雜(za)轉換。
TAM8701手持光(guang)功率計有(you)如下特(te)性(xing)(xing):全新(xin)的用戶自校準(zhun)功能、超長(chang)電池使用壽命、采用通(tong)(tong)用的5號電池,長(chang)達240小時的連(lian)續工(gong)作時間、線性(xing)(xing)(mW)和非(fei)線性(xing)(xing)(dBm)指標(biao)同時顯示、獨到(dao)的通(tong)(tong)用接(jie)口(kou)設計、FC/SC/ST等(deng)接(jie)口(kou)通(tong)(tong)用,無(wu)(wu)需復雜轉換、快速響(xiang)應,無(wu)(wu)需預熱、可選的自動關機功能、可選開(kai)關的背光(guang)顯示等(deng)。
主要應用于光(guang)纖CATV工(gong)程、光(guang)纖通信(xin)工(gong)程、綜合布線系統、光(guang)器件(jian)生產與研究、光(guang)通信(xin)教學與試驗和其他光(guang)纖工(gong)程。
TAM8712PON光功率(lv)計可(ke)以同時測(ce)試語音、數(shu)據和(he)視(shi)頻信號的(de)(de)光功率(lv)值并(bing)給出判斷,是PON網絡工(gong)程、施工(gong)和(he)維(wei)護的(de)(de)理想選擇(ze)。具有可(ke)以同時測(ce)試PON系(xi)統中的(de)(de)1490,1550,1310三個波長(chang)、采(cai)用PON網絡中通(tong)(tong)用的(de)(de)SC接口、通(tong)(tong)過RS232進行數(shu)據傳達用于1310nm上行波長(chang)的(de)(de)突發模式測(ce)試等技術特性。
NF-906A型(xing)光功(gong)率(lv)(lv)計是(shi)一款多功(gong)能(neng)(neng)新型(xing)光功(gong)率(lv)(lv)測(ce)(ce)(ce)(ce)試儀表(biao),本(ben)系列光功(gong)率(lv)(lv)計功(gong)耗低(di)、體積小(xiao)、重(zhong)量(liang)(liang)輕(qing)、便于(yu)攜帶(dai),可(ke)(ke)廣泛應(ying)用(yong)于(yu)單模/多模LAN、FDDI、WAN、FTTH、CATV等(deng)領域(yu)的(de)(de)施工、維修(xiu)、監(jian)測(ce)(ce)(ce)(ce),既可(ke)(ke)用(yong)于(yu)光功(gong)率(lv)(lv)的(de)(de)直接測(ce)(ce)(ce)(ce)量(liang)(liang),也(ye)可(ke)(ke)用(yong)于(yu)光鏈路損耗的(de)(de)相對(dui)測(ce)(ce)(ce)(ce)量(liang)(liang),還可(ke)(ke)用(yong)于(yu)光信號監(jian)測(ce)(ce)(ce)(ce)等(deng)。具有高精度測(ce)(ce)(ce)(ce)量(liang)(liang)和顯(xian)示、快速反應(ying)和測(ce)(ce)(ce)(ce)量(liang)(liang)、寬測(ce)(ce)(ce)(ce)量(liang)(liang)量(liang)(liang)程、6個基本(ben)波長校(xiao)準點、支持光功(gong)率(lv)(lv)的(de)(de)絕對(dui)測(ce)(ce)(ce)(ce)量(liang)(liang)和相對(dui)測(ce)(ce)(ce)(ce)量(liang)(liang)、實時監(jian)測(ce)(ce)(ce)(ce)和顯(xian)示電(dian)池(chi)電(dian)量(liang)(liang),在電(dian)池(chi)電(dian)量(liang)(liang)過低(di)時進行告警、液(ye)晶屏背(bei)光顯(xian)示功(gong)能(neng)(neng)、可(ke)(ke)自(zi)由設置電(dian)源自(zi)動關機功(gong)能(neng)(neng)等(deng)特(te)點。
YL3200手持式(shi)光(guang)功率計(ji)(ji)是針對(dui)光(guang)纖網絡(luo)安裝,驗(yan)收及維護特點(dian)而全(quan)新設計(ji)(ji)開(kai)(kai)發的(de)(de)一款(kuan)產品,為您提(ti)供光(guang)纖網絡(luo)精準(zhun)測試的(de)(de)解決(jue)方案(an),外觀大(da)氣(qi)、流暢,手感(gan)好,貼心的(de)(de)人性(xing)化(hua)設計(ji)(ji),滿足廣大(da)用(yong)戶的(de)(de)最大(da)需求。具有用(yong)戶自校準(zhun)功能(neng)、采用(yong)內置充電(dian)鋰電(dian)池,長達240小時的(de)(de)連(lian)續工作時間、線(xian)性(xing)(mW)和非線(xian)性(xing)指標(dBm)同時顯(xian)示、可選的(de)(de)十(shi)分鐘自動關機功能(neng)、可選開(kai)(kai)/關的(de)(de)背(bei)光(guang)顯(xian)示、通過232接口連(lian)接PC等特點(dian)。
傳統(tong)的(de)(de)光(guang)(guang)功(gong)(gong)率(lv)計校準(zhun)方(fang)(fang)法是通(tong)過一個激(ji)光(guang)(guang)光(guang)(guang)源經(jing)過衰減調節器,通(tong)過光(guang)(guang)纖(xian)連(lian)接(jie)器的(de)(de)插拔(ba)先后與(yu)標準(zhun)光(guang)(guang)功(gong)(gong)率(lv)計和被測光(guang)(guang)功(gong)(gong)率(lv)計連(lian)接(jie)進行測量。傳統(tong)的(de)(de)校準(zhun)方(fang)(fang)法會(hui)引入插拔(ba)誤差和光(guang)(guang)源穩(wen)定性誤差。
光(guang)(guang)(guang)(guang)(guang)(guang)功(gong)(gong)(gong)(gong)率(lv)(lv)計(ji)(ji)(ji)傳統的(de)校準方法如圖所示,激光(guang)(guang)(guang)(guang)(guang)(guang)光(guang)(guang)(guang)(guang)(guang)(guang)源(yuan)通過光(guang)(guang)(guang)(guang)(guang)(guang)纖(xian)跳線連接(jie)光(guang)(guang)(guang)(guang)(guang)(guang)衰(shuai)減器的(de)輸(shu)出(chu)端(duan)與標準光(guang)(guang)(guang)(guang)(guang)(guang)功(gong)(gong)(gong)(gong)率(lv)(lv)計(ji)(ji)(ji)的(de)輸(shu)入(ru)(ru)端(duan),調節(jie)光(guang)(guang)(guang)(guang)(guang)(guang)衰(shuai)減器使得光(guang)(guang)(guang)(guang)(guang)(guang)源(yuan)輸(shu)出(chu)在某(mou)一功(gong)(gong)(gong)(gong)率(lv)(lv)點上,讀取標準光(guang)(guang)(guang)(guang)(guang)(guang)功(gong)(gong)(gong)(gong)率(lv)(lv)計(ji)(ji)(ji)的(de)示值(zhi)P1,然后將連接(jie)標準光(guang)(guang)(guang)(guang)(guang)(guang)功(gong)(gong)(gong)(gong)率(lv)(lv)計(ji)(ji)(ji)輸(shu)入(ru)(ru)端(duan)的(de)光(guang)(guang)(guang)(guang)(guang)(guang)纖(xian)取下(xia),連接(jie)被檢光(guang)(guang)(guang)(guang)(guang)(guang)功(gong)(gong)(gong)(gong)率(lv)(lv)計(ji)(ji)(ji)的(de)輸(shu)入(ru)(ru)端(duan),讀取這(zhe)時被檢光(guang)(guang)(guang)(guang)(guang)(guang)功(gong)(gong)(gong)(gong)率(lv)(lv)計(ji)(ji)(ji)的(de)示值(zhi)P2。
激光(guang)(guang)(guang)光(guang)(guang)(guang)源(yuan)連(lian)接到光(guang)(guang)(guang)衰(shuai)減(jian)器(qi)(qi)(qi),通過調(diao)節光(guang)(guang)(guang)衰(shuai)減(jian)器(qi)(qi)(qi)輸(shu)出不(bu)同的功率(lv)值(zhi),光(guang)(guang)(guang)源(yuan)輸(shu)出經過光(guang)(guang)(guang)衰(shuai)減(jian)器(qi)(qi)(qi)后進(jin)入一個光(guang)(guang)(guang)纖分束器(qi)(qi)(qi)。通過光(guang)(guang)(guang)分束器(qi)(qi)(qi)的分光(guang)(guang)(guang)原理,把相同的光(guang)(guang)(guang)同時(shi)傳輸(shu)到標準光(guang)(guang)(guang)功率(lv)計和被(bei)檢光(guang)(guang)(guang)功率(lv)計當中,這樣只(zhi)需調(diao)節光(guang)(guang)(guang)衰(shuai)減(jian)器(qi)(qi)(qi),就可(ke)以(yi)同時(shi)讀取(qu)標準光(guang)(guang)(guang)功率(lv)計和被(bei)檢光(guang)(guang)(guang)功率(lv)計不(bu)同功率(lv)點上(shang)的示值(zhi)。
所采用的(de)光(guang)纖(xian)分束器(qi)在(zai)(zai)(zai)兩條分路上(shang)(shang)的(de)功(gong)率值(zhi)在(zai)(zai)(zai)測(ce)(ce)量(liang)前(qian)由同一標(biao)準功(gong)率計(ji)來(lai)測(ce)(ce)量(liang),準確測(ce)(ce)出兩條光(guang)路上(shang)(shang)的(de)功(gong)率差值(zhi),此差值(zhi)作為重要(yao)修正分量(liang)在(zai)(zai)(zai)測(ce)(ce)量(liang)中(zhong)應(ying)進(jin)行修正補償。要(yao)注(zhu)意的(de)是不(bu)(bu)同波長下(xia)的(de)功(gong)率分束比是不(bu)(bu)同的(de),需要(yao)分別修正,在(zai)(zai)(zai)測(ce)(ce)量(liang)中(zhong)應(ying)保持(chi)光(guang)纖(xian)頭(tou)清潔。
隨著光纖(xian)(xian)通(tong)(tong)(tong)(tong)(tong)信(xin)技術的(de)(de)迅速發展(zhan),光纖(xian)(xian)通(tong)(tong)(tong)(tong)(tong)信(xin)已經是(shi)(shi)各種通(tong)(tong)(tong)(tong)(tong)信(xin)網的(de)(de)主要(yao)傳(chuan)(chuan)輸(shu)方式。光功率(lv)是(shi)(shi)光纖(xian)(xian)通(tong)(tong)(tong)(tong)(tong)信(xin)系統(tong)中最基本的(de)(de)測量參(can)數,是(shi)(shi)評價光端設備性能、評估光纖(xian)(xian)傳(chuan)(chuan)輸(shu)質量最重要(yao)的(de)(de)參(can)數之一。光功率(lv)計是(shi)(shi)專門用于測量絕(jue)對光功率(lv)或通(tong)(tong)(tong)(tong)(tong)過一段光纖(xian)(xian)的(de)(de)光功率(lv)相對損耗的(de)(de)儀器(qi),廣(guang)泛應用于通(tong)(tong)(tong)(tong)(tong)信(xin)干線鋪設、設備維護、科研和生產當中。