TAM8701系列(lie)光(guang)功(gong)(gong)率計(ji)是針對(dui)客(ke)戶的(de)需求并結(jie)合國外光(guang)儀(yi)表(biao)的(de)特點自(zi)主研發(fa)的(de)一款(kuan)全新光(guang)功(gong)(gong)率測(ce)試(shi)儀(yi)表(biao)。靈巧的(de)外形、可自(zi)由選擇開關(guan)的(de)背光(guang)顯示、友好的(de)操(cao)作(zuo)界面使(shi)您對(dui)它頓生(sheng)好感(gan)，超寬(kuan)的(de)光(guang)功(gong)(gong)率測(ce)試(shi)量(liang)程、精(jing)準(zhun)的(de)測(ce)試(shi)精(jing)度以及(ji)全新的(de)用戶自(zi)校功(gong)(gong)能會(hui)讓您的(de)工(gong)作(zuo)更加出色(se)。獨(du)到的(de)通用接口設計(ji)，FC/SC/ST等(deng)接口通用，無(wu)需復雜轉換。
TAM8701手持光功率(lv)計(ji)有如下特性(xing)：全新的用(yong)戶自校準功能、超長(chang)電池使用(yong)壽命、采用(yong)通(tong)用(yong)的5號(hao)電池，長(chang)達240小(xiao)時的連續(xu)工(gong)作(zuo)時間(jian)、線(xian)性(xing)（mW）和非線(xian)性(xing)（dBm）指標同時顯示(shi)(shi)、獨到的通(tong)用(yong)接口設(she)計(ji)、FC/SC/ST等(deng)接口通(tong)用(yong)，無需復雜轉換、快速響應，無需預熱(re)、可(ke)選的自動關(guan)機功能、可(ke)選開關(guan)的背光顯示(shi)(shi)等(deng)。
主(zhu)要應用于光(guang)(guang)纖(xian)CATV工(gong)程、光(guang)(guang)纖(xian)通信(xin)工(gong)程、綜合布線(xian)系統、光(guang)(guang)器(qi)件生(sheng)產與研究、光(guang)(guang)通信(xin)教學與試驗和(he)其他光(guang)(guang)纖(xian)工(gong)程。
TAM8712PON光功率(lv)計可(ke)以同時測試語音、數據和(he)視頻信(xin)號的(de)(de)光功率(lv)值并給(gei)出判斷，是(shi)PON網(wang)絡(luo)工程、施工和(he)維護的(de)(de)理想選擇(ze)。具有可(ke)以同時測試PON系統中(zhong)的(de)(de)1490，1550，1310三個(ge)波長(chang)、采用PON網(wang)絡(luo)中(zhong)通用的(de)(de)SC接口、通過RS232進行數據傳(chuan)達用于1310nm上(shang)行波長(chang)的(de)(de)突(tu)發模式測試等(deng)技術(shu)特性。
NF-906A型光(guang)(guang)(guang)功率(lv)(lv)計是一款(kuan)多(duo)(duo)功能(neng)新型光(guang)(guang)(guang)功率(lv)(lv)測(ce)(ce)(ce)試(shi)儀(yi)表，本系(xi)列(lie)光(guang)(guang)(guang)功率(lv)(lv)計功耗低(di)、體積小、重量(liang)(liang)輕、便于(yu)攜帶，可廣泛(fan)應用于(yu)單模/多(duo)(duo)模LAN、FDDI、WAN、FTTH、CATV等(deng)領域的(de)施工(gong)、維(wei)修(xiu)、監(jian)測(ce)(ce)(ce)，既可用于(yu)光(guang)(guang)(guang)功率(lv)(lv)的(de)直接測(ce)(ce)(ce)量(liang)(liang)，也可用于(yu)光(guang)(guang)(guang)鏈路損(sun)耗的(de)相對測(ce)(ce)(ce)量(liang)(liang)，還可用于(yu)光(guang)(guang)(guang)信(xin)號監(jian)測(ce)(ce)(ce)等(deng)。具有高精(jing)度測(ce)(ce)(ce)量(liang)(liang)和(he)顯(xian)(xian)示、快速反應和(he)測(ce)(ce)(ce)量(liang)(liang)、寬測(ce)(ce)(ce)量(liang)(liang)量(liang)(liang)程、6個基本波長校準點(dian)、支持光(guang)(guang)(guang)功率(lv)(lv)的(de)絕對測(ce)(ce)(ce)量(liang)(liang)和(he)相對測(ce)(ce)(ce)量(liang)(liang)、實時(shi)監(jian)測(ce)(ce)(ce)和(he)顯(xian)(xian)示電(dian)池電(dian)量(liang)(liang)，在(zai)電(dian)池電(dian)量(liang)(liang)過低(di)時(shi)進行告(gao)警、液晶屏背光(guang)(guang)(guang)顯(xian)(xian)示功能(neng)、可自(zi)由設置電(dian)源自(zi)動關(guan)機(ji)功能(neng)等(deng)特點(dian)。
YL3200手持式光功率計是針對光纖網絡安裝，驗收(shou)及維護特(te)點而全新設(she)計開發的(de)(de)(de)一(yi)款產品，為您提供(gong)光纖網絡精準(zhun)(zhun)測試的(de)(de)(de)解決方(fang)案，外觀大氣(qi)、流(liu)暢，手感好，貼心的(de)(de)(de)人性(xing)化設(she)計，滿足廣大用(yong)戶的(de)(de)(de)最大需求(qiu)。具有(you)用(yong)戶自(zi)校準(zhun)(zhun)功能、采用(yong)內(nei)置充電(dian)鋰電(dian)池(chi)，長達240小(xiao)時的(de)(de)(de)連續工作時間、線性(xing)（mW）和非線性(xing)指標（dBm）同時顯(xian)示、可選(xuan)的(de)(de)(de)十分鐘(zhong)自(zi)動關(guan)機功能、可選(xuan)開/關(guan)的(de)(de)(de)背光顯(xian)示、通過232接(jie)口連接(jie)PC等特(te)點。
傳(chuan)統(tong)的(de)光(guang)(guang)功(gong)率計(ji)校準方法是(shi)通(tong)過(guo)一個激光(guang)(guang)光(guang)(guang)源經過(guo)衰減調節(jie)器，通(tong)過(guo)光(guang)(guang)纖連接(jie)器的(de)插拔先后與標準光(guang)(guang)功(gong)率計(ji)和(he)被測光(guang)(guang)功(gong)率計(ji)連接(jie)進行測量。傳(chuan)統(tong)的(de)校準方法會引入插拔誤(wu)差和(he)光(guang)(guang)源穩定性誤(wu)差。
光(guang)(guang)功(gong)(gong)率(lv)(lv)計(ji)傳(chuan)統的(de)校準(zhun)方法如圖所(suo)示，激光(guang)(guang)光(guang)(guang)源通過光(guang)(guang)纖(xian)跳線連(lian)接(jie)(jie)光(guang)(guang)衰減(jian)器的(de)輸(shu)出端與標(biao)(biao)(biao)準(zhun)光(guang)(guang)功(gong)(gong)率(lv)(lv)計(ji)的(de)輸(shu)入端，調(diao)節光(guang)(guang)衰減(jian)器使得光(guang)(guang)源輸(shu)出在某(mou)一功(gong)(gong)率(lv)(lv)點上(shang)，讀取(qu)標(biao)(biao)(biao)準(zhun)光(guang)(guang)功(gong)(gong)率(lv)(lv)計(ji)的(de)示值(zhi)P1，然(ran)后將連(lian)接(jie)(jie)標(biao)(biao)(biao)準(zhun)光(guang)(guang)功(gong)(gong)率(lv)(lv)計(ji)輸(shu)入端的(de)光(guang)(guang)纖(xian)取(qu)下，連(lian)接(jie)(jie)被檢光(guang)(guang)功(gong)(gong)率(lv)(lv)計(ji)的(de)輸(shu)入端，讀取(qu)這時被檢光(guang)(guang)功(gong)(gong)率(lv)(lv)計(ji)的(de)示值(zhi)P2。
激光(guang)(guang)(guang)(guang)(guang)光(guang)(guang)(guang)(guang)(guang)源連接到(dao)光(guang)(guang)(guang)(guang)(guang)衰減(jian)器(qi)，通過(guo)調節(jie)光(guang)(guang)(guang)(guang)(guang)衰減(jian)器(qi)輸(shu)(shu)出不同(tong)的(de)(de)功(gong)(gong)率(lv)值，光(guang)(guang)(guang)(guang)(guang)源輸(shu)(shu)出經過(guo)光(guang)(guang)(guang)(guang)(guang)衰減(jian)器(qi)后進(jin)入一個光(guang)(guang)(guang)(guang)(guang)纖分(fen)束器(qi)。通過(guo)光(guang)(guang)(guang)(guang)(guang)分(fen)束器(qi)的(de)(de)分(fen)光(guang)(guang)(guang)(guang)(guang)原理(li)，把(ba)相同(tong)的(de)(de)光(guang)(guang)(guang)(guang)(guang)同(tong)時傳輸(shu)(shu)到(dao)標(biao)準光(guang)(guang)(guang)(guang)(guang)功(gong)(gong)率(lv)計(ji)(ji)和被(bei)檢光(guang)(guang)(guang)(guang)(guang)功(gong)(gong)率(lv)計(ji)(ji)當中，這樣只需調節(jie)光(guang)(guang)(guang)(guang)(guang)衰減(jian)器(qi)，就可以同(tong)時讀取標(biao)準光(guang)(guang)(guang)(guang)(guang)功(gong)(gong)率(lv)計(ji)(ji)和被(bei)檢光(guang)(guang)(guang)(guang)(guang)功(gong)(gong)率(lv)計(ji)(ji)不同(tong)功(gong)(gong)率(lv)點上的(de)(de)示(shi)值。
所采用(yong)的光(guang)纖分束器在兩條(tiao)分路上(shang)(shang)的功(gong)率(lv)(lv)值(zhi)在測(ce)量(liang)前由同一標準(zhun)功(gong)率(lv)(lv)計來(lai)測(ce)量(liang)，準(zhun)確測(ce)出兩條(tiao)光(guang)路上(shang)(shang)的功(gong)率(lv)(lv)差值(zhi)，此(ci)差值(zhi)作為重要修正(zheng)(zheng)分量(liang)在測(ce)量(liang)中(zhong)應進行修正(zheng)(zheng)補償。要注(zhu)意的是(shi)不同波長(chang)下的功(gong)率(lv)(lv)分束比是(shi)不同的，需要分別修正(zheng)(zheng)，在測(ce)量(liang)中(zhong)應保持光(guang)纖頭清(qing)潔。
隨著光(guang)(guang)纖(xian)(xian)通(tong)(tong)(tong)信(xin)技術的(de)迅速(su)發(fa)展，光(guang)(guang)纖(xian)(xian)通(tong)(tong)(tong)信(xin)已經是(shi)(shi)各種通(tong)(tong)(tong)信(xin)網的(de)主要(yao)傳輸(shu)方式。光(guang)(guang)功率(lv)是(shi)(shi)光(guang)(guang)纖(xian)(xian)通(tong)(tong)(tong)信(xin)系統(tong)中(zhong)最基本的(de)測(ce)量(liang)(liang)(liang)參數(shu)，是(shi)(shi)評價(jia)光(guang)(guang)端設備性能、評估光(guang)(guang)纖(xian)(xian)傳輸(shu)質量(liang)(liang)(liang)最重要(yao)的(de)參數(shu)之一。光(guang)(guang)功率(lv)計是(shi)(shi)專門用(yong)于測(ce)量(liang)(liang)(liang)絕對光(guang)(guang)功率(lv)或通(tong)(tong)(tong)過一段(duan)光(guang)(guang)纖(xian)(xian)的(de)光(guang)(guang)功率(lv)相對損耗的(de)儀器(qi)，廣泛應用(yong)于通(tong)(tong)(tong)信(xin)干線(xian)鋪設、設備維護、科研和生產當中(zhong)。
