在zai開kai關guan電dian源yuan適shi配pei器qi的de新xin產chan品pin調tiao試shi過guo程cheng中zhong，安an全quan問wen題ti是shi排pai在zai第di一yi位wei的de，其qi次ci才cai是shi正zheng確que的de使shi用yong給gei力li一yi起qi和he儀yi表biao。在zai調tiao試shi時shi
，尤you其qi需xu要yao注zhu意yi的de是shi所suo接jie入ru的de開kai關guan電dian源yuan初chu級ji一yi次ci回hui路lu
，這zhe種zhong回hui路lu具ju有you幾ji百bai伏fu甚shen至zhi上shang千qian伏fu的de高gao電dian壓ya，而er開kai關guan電dian源yuan初chu級ji一yi次ci回hui路lu負fu極ji並bing不bu是shi零ling電dian壓ya，所suo以yi一yi旦dan人ren體ti接jie觸chu該gai端duan時shi就jiu會hui遭zao到dao電dian擊ji，這zhe將jiang會hui危wei害hai到dao工gong程cheng師shi的de人ren身shen安an全quan。同tong時shi該gai端duan對dui大da地di連lian接jie會hui造zao成cheng電dian源yuan短duan路lu
，損sun壞huai輸shu入ru的de整zheng流liu器qi件jian。因yin此ci
，調tiao試shi開kai關guan電dian源yuan時shi必bi須xu先xian通tong過guo隔ge離li變bian壓ya器qi實shi現xian電dian氣qi隔ge離li。通tong過guo隔ge離li變bian壓ya器qi以yi後hou，一yi次ci回hui路lu的de負fu極ji可ke以yi和he示shi波bo器qi的de探tan頭tou接jie地di端duan直zhi接jie連lian接jie，並bing通tong過guo示shi波bo器qi的de單dan相xiang三san線xian插cha頭tou與yu供gong電dian係xi統tong的de保bao護hu地di線xian連lian接jie

，以yi排pai除chu安an全quan隱yin患huan。

 

如ru果guo技ji術shu人ren員yuan在zai調tiao試shi過guo程cheng中zhong所suo使shi用yong的de是shi內nei置zhi隔ge離li通tong道dao技ji術shu的de示shi波bo器qi，那na麼me即ji使shi不bu接jie隔ge離li變bian壓ya器qi也ye能neng夠gou直zhi接jie測ce量liang，並bing不bu會hui出chu現xian短duan路lu現xian象xiang
，但dan人ren體ti接jie觸chu初chu級ji回hui路lu會hui遭zao到dao電dian擊ji。因yin此ci，調tiao試shi開kai關guan電dian源yuan過guo程cheng中zhong最zui好hao還hai是shi接jie入ru隔ge離li變bian壓ya器qi。

 

 

zaikaiguandianyuanshipeiqidexinchanpinceshiguochengzhong
，gongchengshiduiguanjianboxingdejianceyeshifeichangzhongyaode
，zaishiyongshiboqijianceshi，gonglvkaiguanguandeloujidianyaboxingnenggouzhijiefanyingchuloujijianfengdianya、二次反射電壓、開kai關guan管guan導dao通tong壓ya降jiang等deng信xin息xi。即ji使shi輸shu入ru電dian壓ya很hen小xiao，當dang漏lou極ji吸xi收shou回hui路lu開kai路lu時shi也ye會hui造zao成cheng很hen高gao的de漏lou極ji尖jian峰feng電dian壓ya，從cong而er造zao成cheng功gong率lv開kai關guan管guan擊ji穿chuan損sun壞huai，需xu要yao工gong程cheng師shi格ge外wai留liu心xin。此ci外wai
，如ru果guo功gong率lv開kai關guan管guan不bu能neng飽bao和he導dao通tong，會hui造zao成cheng很hen大da的de功gong率lv損sun耗hao
，導dao致zhi開kai關guan管guan過guo熱re損sun壞huai。密mi切qie關guan注zhu漏lou極ji電dian壓ya波bo形xing，能neng夠gou迅xun速su發fa現xian危wei險xian情qing況kuang的de出chu現xian
，以yi便bian及ji時shi關guan閉bi電dian源yuan，避bi免mian造zao成cheng元yuan件jian損sun壞huai和he更geng大da的de損sun失shi。

 

 

zaishiyongshiboqiwanchengduikaiguandianyuanshipeiqixinchanpindeceliangguochengzhong，gongchengshixuyaoyijudangqiandeceliangrenwulaixuanyongshihedetantou，zheyangcaihuidedaozuizhunquedeceliangjieguo。zaichangguiceliangdeguochengzhong，yong10比1的探頭就足夠了
，但對於低幅度信號測量
，我們就要考慮使用1比1的探頭。而當測量高電壓時，比如開關功率管得源極電壓，則可以選擇高壓探頭。

 

同(tong)樣(yang)的(de)，在(zai)使(shi)用(yong)示(shi)波(bo)器(qi)產(chan)品(pin)測(ce)量(liang)適(shi)配(pei)器(qi)實(shi)驗(yan)產(chan)品(pin)的(de)電(dian)流(liu)情(qing)況(kuang)時(shi)，就(jiu)需(xu)要(yao)甄(zhen)選(xuan)合(he)適(shi)的(de)電(dian)流(liu)探(tan)頭(tou)了(le)。一(yi)般(ban)情(qing)況(kuang)下(xia)，示(shi)波(bo)器(qi)探(tan)頭(tou)的(de)輸(shu)入(ru)電(dian)壓(ya)多(duo)為(wei)400V（RMS）或者400VDC
，允yun許xu一yi定ding的de峰feng值zhi電dian壓ya短duan時shi間jian超chao出chu這zhe個ge範fan圍wei，如ru果guo峰feng值zhi電dian壓ya比bi較jiao高gao，則ze應ying選xuan擇ze高gao壓ya探tan頭tou。在zai使shi用yong電dian流liu探tan頭tou進jin行xing檢jian測ce工gong作zuo時shi時shi，應ying盡jin量liang連lian接jie到dao電dian壓ya變bian化hua幅fu度du較jiao小xiao的de回hui路lu中zhong。例li如ru測ce量liang功gong率lv開kai關guan管guan的de漏lou極ji電dian流liu時shi，應ying該gai連lian接jie到dao功gong率lv開kai關guan管guan得de源yuan極ji回hui路lu，間jian接jie觀guan察cha漏lou極ji電dian流liu。如ru果guo接jie到dao漏lou極ji回hui路lu中zhong，漏lou極ji的de高gao頻pin尖jian峰feng電dian壓ya會hui對dui測ce量liang產chan生sheng較jiao大da的de幹gan擾rao。

 

 

在(zai)使(shi)用(yong)示(shi)波(bo)器(qi)進(jin)行(xing)開(kai)關(guan)電(dian)源(yuan)適(shi)配(pei)器(qi)的(de)新(xin)產(chan)品(pin)測(ce)試(shi)時(shi)，接(jie)地(di)的(de)合(he)理(li)設(she)置(zhi)也(ye)同(tong)樣(yang)非(fei)常(chang)重(zhong)要(yao)。在(zai)測(ce)試(shi)過(guo)程(cheng)中(zhong)，如(ru)果(guo)技(ji)術(shu)人(ren)員(yuan)使(shi)用(yong)探(tan)頭(tou)接(jie)地(di)夾(jia)接(jie)地(di)，就(jiu)相(xiang)當(dang)於(yu)在(zai)接(jie)地(di)路(lu)徑(jing)中(zhong)加(jia)入(ru)了(le)一(yi)個(ge)串(chuan)聯(lian)電(dian)感(gan)。這(zhe)個(ge)串(chuan)聯(lian)電(dian)感(gan)和(he)探(tan)頭(tou)電(dian)容(rong)共(gong)同(tong)作(zuo)用(yong)，可(ke)能(neng)會(hui)引(yin)起(qi)振(zhen)蕩(dang)和(he)過(guo)衝(chong)。開(kai)關(guan)電(dian)源(yuan)存(cun)在(zai)較(jiao)強(qiang)的(de)電(dian)磁(ci)輻(fu)射(she)，探(tan)頭(tou)接(jie)地(di)線(xian)過(guo)長(chang)也(ye)會(hui)引(yin)入(ru)幹(gan)擾(rao)。開(kai)關(guan)電(dian)源(yuan)的(de)尖(jian)峰(feng)電(dian)流(liu)會(hui)在(zai)電(dian)路(lu)板(ban)上(shang)產(chan)生(sheng)幹(gan)擾(rao)電(dian)壓(ya)，在(zai)不(bu)同(tong)的(de)接(jie)地(di)點(dian)測(ce)量(liang)，得(de)到(dao)的(de)波(bo)形(xing)會(hui)有(you)不(bu)同(tong)，波(bo)形(xing)出(chu)現(xian)抖(dou)動(dong)也(ye)是(shi)正(zheng)常(chang)現(xian)象(xiang)。