TAM8701系列光(guang)功(gong)(gong)率(lv)計是針對(dui)客戶的(de)需求(qiu)并結合國外光(guang)儀(yi)表(biao)(biao)的(de)特點自主研發的(de)一款全新光(guang)功(gong)(gong)率(lv)測試儀(yi)表(biao)(biao)。靈巧的(de)外形、可自由選擇開關的(de)背(bei)光(guang)顯示、友好的(de)操(cao)作界(jie)面(mian)使您對(dui)它頓生好感,超寬的(de)光(guang)功(gong)(gong)率(lv)測試量(liang)程、精準(zhun)的(de)測試精度(du)以及全新的(de)用(yong)戶自校功(gong)(gong)能會讓您的(de)工作更加(jia)出色。獨到的(de)通(tong)(tong)用(yong)接口設計,FC/SC/ST等接口通(tong)(tong)用(yong),無需復(fu)雜轉換。
TAM8701手持光(guang)功率計有如下(xia)特性(xing):全新(xin)的(de)用戶(hu)自(zi)校準功能(neng)、超長電池使用壽命、采(cai)用通用的(de)5號(hao)電池,長達240小時的(de)連續工(gong)作時間、線性(xing)(mW)和非線性(xing)(dBm)指標同時顯(xian)示、獨到的(de)通用接(jie)口設(she)計、FC/SC/ST等接(jie)口通用,無需(xu)復雜轉換、快速響(xiang)應,無需(xu)預熱、可選的(de)自(zi)動關機功能(neng)、可選開關的(de)背(bei)光(guang)顯(xian)示等。
主(zhu)要(yao)應用于光(guang)纖CATV工程、光(guang)纖通(tong)信工程、綜合布線系(xi)統、光(guang)器(qi)件生(sheng)產與研(yan)究、光(guang)通(tong)信教學與試驗和(he)其他光(guang)纖工程。
TAM8712PON光(guang)功率計可以(yi)同時(shi)測(ce)試語(yu)音、數據和視頻信號(hao)的光(guang)功率值并給出判斷,是PON網(wang)絡工(gong)程、施工(gong)和維護的理想(xiang)選擇。具有可以(yi)同時(shi)測(ce)試PON系統中(zhong)(zhong)的1490,1550,1310三個波(bo)長、采用PON網(wang)絡中(zhong)(zhong)通用的SC接(jie)口、通過RS232進行(xing)數據傳達(da)用于1310nm上行(xing)波(bo)長的突發模式(shi)測(ce)試等技術(shu)特性(xing)。
NF-906A型(xing)光(guang)(guang)功(gong)(gong)率(lv)計(ji)是一(yi)款多(duo)功(gong)(gong)能新型(xing)光(guang)(guang)功(gong)(gong)率(lv)測(ce)(ce)試儀表,本(ben)系列光(guang)(guang)功(gong)(gong)率(lv)計(ji)功(gong)(gong)耗低、體積小、重量(liang)(liang)輕(qing)、便于攜帶,可(ke)廣(guang)泛(fan)應(ying)用于單(dan)模(mo)/多(duo)模(mo)LAN、FDDI、WAN、FTTH、CATV等領域的(de)(de)施工、維修、監測(ce)(ce),既(ji)可(ke)用于光(guang)(guang)功(gong)(gong)率(lv)的(de)(de)直(zhi)接測(ce)(ce)量(liang)(liang),也可(ke)用于光(guang)(guang)鏈路損耗的(de)(de)相對(dui)(dui)測(ce)(ce)量(liang)(liang),還(huan)可(ke)用于光(guang)(guang)信號監測(ce)(ce)等。具有高精度測(ce)(ce)量(liang)(liang)和顯(xian)示(shi)(shi)、快速(su)反(fan)應(ying)和測(ce)(ce)量(liang)(liang)、寬測(ce)(ce)量(liang)(liang)量(liang)(liang)程、6個基本(ben)波長校準點(dian)(dian)、支持光(guang)(guang)功(gong)(gong)率(lv)的(de)(de)絕對(dui)(dui)測(ce)(ce)量(liang)(liang)和相對(dui)(dui)測(ce)(ce)量(liang)(liang)、實(shi)時(shi)監測(ce)(ce)和顯(xian)示(shi)(shi)電池電量(liang)(liang),在電池電量(liang)(liang)過低時(shi)進行告警、液晶屏背光(guang)(guang)顯(xian)示(shi)(shi)功(gong)(gong)能、可(ke)自(zi)由(you)設置電源(yuan)自(zi)動(dong)關機功(gong)(gong)能等特點(dian)(dian)。
YL3200手持式(shi)光(guang)功(gong)率計(ji)是(shi)針對光(guang)纖網(wang)絡安(an)裝,驗收及維護特(te)點而全新設(she)計(ji)開發的(de)一款產品,為您提(ti)供光(guang)纖網(wang)絡精準測(ce)試(shi)的(de)解決方案,外觀(guan)大氣、流暢,手感好(hao),貼心的(de)人(ren)性(xing)化設(she)計(ji),滿足廣大用戶(hu)的(de)最大需(xu)求。具有用戶(hu)自(zi)校準功(gong)能、采用內置充電鋰(li)電池,長達240小時(shi)(shi)的(de)連續工(gong)作時(shi)(shi)間、線性(xing)(mW)和非線性(xing)指標(dBm)同時(shi)(shi)顯示(shi)(shi)、可(ke)選的(de)十分鐘自(zi)動關機功(gong)能、可(ke)選開/關的(de)背光(guang)顯示(shi)(shi)、通(tong)過(guo)232接口(kou)連接PC等特(te)點。
傳統(tong)的(de)(de)光(guang)(guang)功率(lv)計(ji)校(xiao)準(zhun)方法是通過一(yi)個激光(guang)(guang)光(guang)(guang)源經過衰(shuai)減調節器,通過光(guang)(guang)纖連接器的(de)(de)插拔先后(hou)與(yu)標準(zhun)光(guang)(guang)功率(lv)計(ji)和被測(ce)光(guang)(guang)功率(lv)計(ji)連接進行測(ce)量。傳統(tong)的(de)(de)校(xiao)準(zhun)方法會(hui)引(yin)入插拔誤差(cha)和光(guang)(guang)源穩定性誤差(cha)。
光(guang)(guang)(guang)功(gong)(gong)(gong)率(lv)(lv)計(ji)傳(chuan)統的(de)(de)(de)校(xiao)準(zhun)方法如圖所(suo)示,激光(guang)(guang)(guang)光(guang)(guang)(guang)源(yuan)通(tong)過光(guang)(guang)(guang)纖跳線連(lian)接光(guang)(guang)(guang)衰減(jian)器(qi)的(de)(de)(de)輸(shu)出端(duan)與標準(zhun)光(guang)(guang)(guang)功(gong)(gong)(gong)率(lv)(lv)計(ji)的(de)(de)(de)輸(shu)入(ru)(ru)端(duan),調節光(guang)(guang)(guang)衰減(jian)器(qi)使得光(guang)(guang)(guang)源(yuan)輸(shu)出在某(mou)一功(gong)(gong)(gong)率(lv)(lv)點上,讀取標準(zhun)光(guang)(guang)(guang)功(gong)(gong)(gong)率(lv)(lv)計(ji)的(de)(de)(de)示值P1,然后將連(lian)接標準(zhun)光(guang)(guang)(guang)功(gong)(gong)(gong)率(lv)(lv)計(ji)輸(shu)入(ru)(ru)端(duan)的(de)(de)(de)光(guang)(guang)(guang)纖取下(xia),連(lian)接被檢(jian)光(guang)(guang)(guang)功(gong)(gong)(gong)率(lv)(lv)計(ji)的(de)(de)(de)輸(shu)入(ru)(ru)端(duan),讀取這時被檢(jian)光(guang)(guang)(guang)功(gong)(gong)(gong)率(lv)(lv)計(ji)的(de)(de)(de)示值P2。
激光(guang)(guang)(guang)光(guang)(guang)(guang)源連接到光(guang)(guang)(guang)衰(shuai)減(jian)器,通(tong)過調節(jie)光(guang)(guang)(guang)衰(shuai)減(jian)器輸(shu)出不同(tong)的(de)功(gong)(gong)率(lv)(lv)值,光(guang)(guang)(guang)源輸(shu)出經(jing)過光(guang)(guang)(guang)衰(shuai)減(jian)器后(hou)進入(ru)一個光(guang)(guang)(guang)纖分(fen)(fen)束器。通(tong)過光(guang)(guang)(guang)分(fen)(fen)束器的(de)分(fen)(fen)光(guang)(guang)(guang)原理,把相同(tong)的(de)光(guang)(guang)(guang)同(tong)時傳輸(shu)到標準光(guang)(guang)(guang)功(gong)(gong)率(lv)(lv)計和被(bei)檢光(guang)(guang)(guang)功(gong)(gong)率(lv)(lv)計當(dang)中(zhong),這樣只(zhi)需調節(jie)光(guang)(guang)(guang)衰(shuai)減(jian)器,就(jiu)可以同(tong)時讀取標準光(guang)(guang)(guang)功(gong)(gong)率(lv)(lv)計和被(bei)檢光(guang)(guang)(guang)功(gong)(gong)率(lv)(lv)計不同(tong)功(gong)(gong)率(lv)(lv)點上(shang)的(de)示值。
所采(cai)用的(de)光(guang)纖分束器在(zai)(zai)兩條分路上的(de)功率值(zhi)(zhi)在(zai)(zai)測量(liang)前(qian)由(you)同(tong)一標準功率計來測量(liang),準確測出兩條光(guang)路上的(de)功率差值(zhi)(zhi),此(ci)差值(zhi)(zhi)作為重(zhong)要(yao)(yao)修(xiu)正(zheng)分量(liang)在(zai)(zai)測量(liang)中應進行修(xiu)正(zheng)補償。要(yao)(yao)注意的(de)是不同(tong)波(bo)長下的(de)功率分束比(bi)是不同(tong)的(de),需要(yao)(yao)分別修(xiu)正(zheng),在(zai)(zai)測量(liang)中應保持光(guang)纖頭清潔。
隨著(zhu)光(guang)(guang)纖(xian)通信(xin)技術(shu)的(de)迅(xun)速發展,光(guang)(guang)纖(xian)通信(xin)已經是(shi)各(ge)種通信(xin)網的(de)主要傳(chuan)輸(shu)方(fang)式(shi)。光(guang)(guang)功率(lv)(lv)是(shi)光(guang)(guang)纖(xian)通信(xin)系統中最(zui)基(ji)本的(de)測(ce)量(liang)參數,是(shi)評價光(guang)(guang)端設備性能、評估光(guang)(guang)纖(xian)傳(chuan)輸(shu)質量(liang)最(zui)重要的(de)參數之一。光(guang)(guang)功率(lv)(lv)計(ji)是(shi)專門(men)用(yong)于測(ce)量(liang)絕對(dui)光(guang)(guang)功率(lv)(lv)或通過(guo)一段光(guang)(guang)纖(xian)的(de)光(guang)(guang)功率(lv)(lv)相(xiang)對(dui)損耗的(de)儀(yi)器(qi),廣泛應用(yong)于通信(xin)干線(xian)鋪設、設備維護、科研和(he)生產當(dang)中。