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河南快3
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万用表测电阻

选伊萨,找光伟达

  JINGMIDIANZUSHIDIANZICHANPINZHONGSHIYONGZUIDUODEDIANZIYUANQIJIANZHIYI。RUGUOZAISHENGCHANHUOSHIWEIXIUSHI,YOUYIGEJINGMIDIANZU,TADEBIAOJIYIJINGKANBUQINGCHULE,NEIMEYAOZENMEYANGCAINENGKUAISUDECECHUTADEZUZHINI?JINTIANWOMENJIESHAOXIAZUIJIANDANKUAISUDEFANGFA,ZENMEYONGWANYONGBIAOCEJINGMIDIANZU?ZHIYAOSHIYONGWANYONGBIAOJIECHUJINGMIDIANZUDEERDUAN,JIUNENGKUAISUDECESHICHUTADEZUZHILE,NEIJUTIDEFANGFASHIZENMEYANGDE?WANYONGBIAOCEJINGMIDIANZUYUANLIYOUSHIZENMEYANGNI?

  万用表测精密电阻原理_怎么用万用表测精密电阻

  万用表测精密电阻原理_怎么用万用表测精密电阻----怎么用万用表测精密电阻步骤

河南快3  1、WOMENSUOSHIYONGDEWANYONGBIAO,BUGUANSHIZAICEDIANYAHAISHIDIANLIU,JINGMIDIANZU,DOUSHIGONGYONGDEYIGEBIAOTOU。ZAIXUYAOCELIANGJINGMIDIANZUSHI,WOMENSHOUXIANYAODIAODAOOUMUDANG。YIBANYOU:&TImes;1,&TImes;10,&TImes;100,&TImes;1000JIGEDANGWEI。

  万用表测精密电阻原理_怎么用万用表测精密电阻

河南快3  2、CELIANGZHIQIANRUOSHIBIAODEZHIZHENHUOSHI(SHUZIWANYONGBIAOERBIAOBEIDUANLUSHIDUSHUBUWEILING),JIUHUISHIDUSHUYOULINGWUCHA。RUGUOWOMENZAICESHIQIANFAXIAN,MEIYOUGUILING,WOMENBIXUXIANBATADIAODAOLINGWEI,FANGFARUXIA:

河南快3  1)WANYONGWANYONGWANYONGWANYONGDIANBIAOYOULIANGZHIBIAOBI,YIZHIHONGBIAOBI,YIZHIHEIBIAOBI,HONGBIAOBICHARUBIAOYOU“+”HAODECHAKONGZHONG,HEIBIAOBICHARUBIAOYOU“-”HAODECHAKONGZHONG。DIAOZHENGJIXIELINGWEISHI,SHOUXIANRANGLIANGBIAOBIDUANKAI,RUOBIAOZHENBUTINGZAIBIAOPANZUODUANDELINGWEIZHI,ZEYINGYONGLUOSIDAOXUANDONGBIAOPANXIAMIANDEDINGWEILUOSIO,TONGGUOBIAONEILUOXUANDANHUANGBAZHIZHENDIAODAOJIXIELINGWEI。

  万用表测精密电阻原理_怎么用万用表测精密电阻

河南快3  2)BALIANGZHIBIAOBIJIECHU,JIDUANLU,XIANGDANGLIANGZHIBIAOBIZHIJIANDEJINGMIDIANZUWEILING,CISHIBIAOZHENYINGTINGZAIBIAOPANYOUDUAN“0Ω”ZUZHICHU,ZHEISHIDIANLIUZUIDA。DANSHIYOUYUDIANCHIYIJINGSHIYONGSHIYONGSHIYONGSHIYONGGUO,SHIDEBIAOBIDUANLUSHI,ZHIZHENYIBANBUZAIJINGMIDIANZUZHIDELINGWEICHU,ZHEISHIKEXUANDONGDIAOLINGXUANNIUQ,SHIZHIZHENZHIZAILINGOUMUCHU。

  3、XUANZEBEILV

  LIYONGWANWANWANWANYONGYONGYONGYONGDIANBIAOCEJINGMIDIANZUBIAOCEJINGMIDIANZUBIAOCEJINGMIDIANZUBIAOCEJINGMIDIANZU,WEILEBIANYUZHUNQUEDIDUSHU,YAOJINKENENGSHIBIAOZHENZHIZAIBIAOPANZHONGJIANBUWEI,SUOYIXUYAOQIADANGDIXUANZEBEILVDANG。LIRU,ZAICER1=50ΩDEJINGMIDIANZUSHI,YINGXUAN“×1”DANG,SHIBIAOZHENZAIBIAOPANZHONGBUFUJINPIANZHUAN。RUGUOXUANYONG“×10”DANG,ZEBIAOPANDUSHUKUODA10BEI,ZHEIJIANGSHIBIAOZHENPIANDAOBIAOPANKAOYOUDEBUWEI,DUSHUJIUNANYIZHUNQUE。YIBANQINGKUANGXIA,KEYIZHEIYANGXUANZEHESHIDEBEILV,JIANGDAICEJINGMIDIANZUNIRXZHIDESHULIANGJICHUYI10,SUODEDESHANGJIUSHIYINGXUANDEBEILV。LIRUCERX=510kΩDEJINGMIDIANZU,RXDESHULIANGJISHI100k,(RX=5.1×100k),SUOYIYIXUAN“×10k”DEBEILV。RUGUOWANYONGWANYONGWANYONGWANYONGDIANBIAOWU×10kBEILVDANG,ZEKEXUANZUIJIEJINDEDANG。

河南快3  RUGUOSHIXIANBUZHIDAOJINGMIDIANZUDEZUZHI,KEYISHITANZHEXUANZEBEILVDANG,SHENMESHIHOUSHIBIAOZHENNENGZHIZAIBIAOPANDEZHONGBUFUJIN,CISHIDEBEILVDANGJIUSHIBIJIAOHESHIDE。

河南快3  XIANZAISHUZIWANYONGBIAOGENBENBUZAIXUYAOXUANZEBEILV,ZAITADEMIANBANSHANGJIUZHIYOUYIGEOUMUDANGWEI,SUOYIWOMENZAICESHIDESHIHOUJIUZHIYAODIAODAOOUMUDANGWEIJIUKEYILE。TAJIUZHIJIEXIANSHICHUJINGMIDIANZUDEZUZHI。

  万用表测精密电阻原理_怎么用万用表测精密电阻

  万用表测精密电阻原理_怎么用万用表测精密电阻----万用表测精密电阻原理

 ZAIDIANYABUBIANDEQINGKUANGXIA,RUGUOHUILUJINGMIDIANZUZENGJIAYIBEI,ZEDIANLIUJIANSHAOWEIYIBAN。GENJUZHEIGEYUANLI,KEYIYONGWANYONGBIAODEBIAOTOULAICELIANGJINGMIDIANZUZHI。QICELIANGYUANLIRUTU1SUOSHI。BAOUMUDANGDE+、-BIAOBIDUANJIE,CISHILIUGUOBIAOTOUDEDIANLIUZUIDA,DIAOJIEXIANLIUJINGMIDIANZURDSHIBIAOZHIZHENZHIDAOMANKEDU,DUANKAILIANGBIAOBIDUANJIE,JIESHANGBEICEJINGMIDIANZUZEDIANLIUXIAJIANG,QIZHISHIZHIJIWEIBEICEJINGMIDIANZUDEZUZHI, DANOUMUKEDUSHIBUDENGFENDEDAOKEDU。DANGBEICEJINGMIDIANZUDENGYUOUMUBIAODER×1DANGDEZONGHENEIZUSHI,ZHIZHENZHIZAIBIAOPANDEZHONGXINWEIZHI。SUOYIGAIZHONGXINZUZHIJIAOZUOOUMUBIAODEBIAOPANZHONGXINKEDUZUZHI。GUJINGMIDIANZUCELIANGSHIGEDANGDEZHONGXINZUZHI,DENGYUBIAOPANZHONGXINKEDUZUZHICHENGGAIDANGDEBEILV。

  万用表测精密电阻原理_怎么用万用表测精密电阻

河南快3  TU1 JINGMIDIANZUCELIANGDIANLU

  SHUZIWANYONGBIAOZUIZAOSHICAIQUHENGLIUFA,ZAIPEIHEYUNSUANFANGDAQILAISHIXIANΩ/ VZHUANHUAN。ERXIANZAIDADUOCAIYONGBILIFALAICELIANGJINGMIDIANZU,ZHEIYANGKEJIANGDIJIZHUNDIANYADEYAOQIU。QIGONGZUOYUANLIRUTU2SUOSHI。TUZHONGBEICEJINGMIDIANZU

  万用表测精密电阻原理_怎么用万用表测精密电阻

  TU2 SHUZIWANYONGBIAODEJINGMIDIANZUCELIANGDIANLU

  RXYUJIZHUNJINGMIDIANZUR0CHUANLIANHOUJIEZAIV+YUCOMZHIJIAN。V+YUVREF+,VREF-YUIN+,YUIN-YUCOMLIANGLIANGXIANGTONG。LIYONGA/DZHUANHUANQIDEJIZHUNDIANYAYUANV+,XIANGRXHE R0TIGONGCESHIDIANLIUI。R0SHANGDEYAJIANGVR0JIANZUOJIZHUNDIANYA,RXSHANGDEYAJIANGVRXZUOWEISHURUDIANYAVIN,YOUGUANXISHI:

  万用表测精密电阻原理_怎么用万用表测精密电阻

河南快3  DANGRX=R0SHIXIANSHIZHIWEI1000,RX=2R0SHIXIANSHIMANLIANGCHENG。LIYONGXUANZEKAIGUANGAIBIANJIZHUNJINGMIDIANZUR0DESHUZHI,JIUGOUCHENGLEDUOLIANGCHENGDEJINGMIDIANZUCELIANGDIANLU。

  万用表测精密电阻原理_怎么用万用表测精密电阻----数字万用表的使用方法

  XIANZAI,SHUZISHICELIANGYIBIAOYICHENGWEIZHULIU,YOUQUDAIMONISHIYIBIAODEQUSHI。YUMONISHIYIBIAOXIANGBI,SHUZISHIYIBIAOLINGMINDUGAO,ZHUNQUEDUGAO,XIANSHIQINGXI,GUOZAINENGLIQIANG,BIANYUXIEDAI,SHIYONGGENGJIANDAN。XIAMIANYIVC9802XINGSHUZIWANYONGBIAOWEILI,JIANDANJIESHAOQISHIYONGFANGFAHEZHUYISHIXIANG。

  万用表测精密电阻原理_怎么用万用表测精密电阻

  万用表测精密电阻原理_怎么用万用表测精密电阻

  (1)SHIYONGFANGFA

河南快3  a、SHIYONGQIAN,YINGRENZHENYUEDUYOUGUANDESHIYONGSHUOMINGSHU,SHUXIDIANYUANKAIGUAN、LIANGCHENGKAIGUAN、CHAKONG、TESHUCHAKOUDEZUOYONG。

  b、JIANGDIANYUANKAIGUANZHIYUONWEIZHI。

河南快3  c、JIAOZHILIUDIANYADECELIANG:GENJUXUYAOJIANGLIANGCHENGKAIGUANBOZHIDCV(ZHILIU)HUOACV(JIAOLIU)DEHESHILIANGCHENG,HONGBIAOBICHARUV/Ω KONG,HEIBIAOBICHARUCOMKONG,BINGJIANGBIAOBIYUBEICEXIANLUBINGLIAN,

  DUSHUJIXIANSHI。

  d、JIAOZHILIUDIANLIUDECELIANG:JIANGLIANGCHENGKAIGUANBOZHIDCA(ZHILIU)HUOACA(JIAOLIU)DEHESHILIANGCHENG,HONGBIAOBICHARUmAKONG(<200mASHI)HUO10AKONG(>200mASHI),HEIBIAOBICHARUCOMKONG,BINGJIANGWANYONGBIAOCHUANLIANZAIBEICEDIANLUZHONGJIKE。CELIANGZHILIULIANGSHI,SHUZIWANYONGBIAONENGZIDONGXIANSHIJIXING。

河南快3  e、JINGMIDIANZUDECELIANG:JIANGLIANGCHENGKAIGUANBOZHIΩ DEHESHILIANGCHENG,HONGBIAOBICHARUV/Ω KONG,HEIBIAOBICHARUCOMKONG。RUGUOBEICEJINGMIDIANZUZHICHAOCHUSUOXUANZELIANGCHENGDEZUIDAZHI,WANYONGBIAOJIANGXIANSHI.1.ZHEISHIYINGXUANZEGENGGAODELIANGCHENG。CELIANGJINGMIDIANZUSHI,HONGBIAOBIWEIZHENGJI,HEIBIAOBIWEIFUJI,ZHEIYUZHIZHENSHIWANYONGBIAOZHENGHAOXIANGFAN。YINCI,CELIANGJINGTIGUAN、DIANJIEDIANRONGQIDENGYOUJIXINGDEYUANQIJIANSHI,BIXUZHUYIBIAOBIDEJIXING。

河南快3  (2)。SHIYONGZHUYISHIXIANG

  a、RUGUOWUFAYUXIANGUJIBEICEDIANYAHUODIANLIUDEDAXIAO,ZEYINGXIANBOZHIZUIGAOLIANGCHENGDANGCELIANGYICI,ZAISHIQINGKUANGZHUJIANBALIANGCHENGJIANXIAODAOHESHIWEIZHI。CELIANGWANBI,YINGJIANGLIANGCHENGKAIGUANBODAOZUIGAODIANYADANG,BINGGUANBIDIANYUAN。

河南快3  b、MANLIANGCHENGSHI,YIBIAOJINZAIZUIGAOWEIXIANSHISHUZI.1.,QITAWEIJUNXIAOSHI,ZHEISHIYINGXUANZEGENGGAODELIANGCHENG。

  c、CELIANGDIANYASHI,YINGJIANGSHUZIWANYONGBIAOYUBEICEDIANLUBINGLIAN。CEDIANLIUSHIYINGYUBEICEDIANLUCHUANLIAN,CEZHILIULIANGSHIBUBIKAOLVZHENG、FUJIXING。

  d、DANGWUYONGJIAOLIUDIANYADANGQUCELIANGZHILIUDIANYA,HUOZHEWUYONGZHILIUDIANYADANGQUCELIANGJIAOLIUDIANYASHI,XIANSHIPINGJIANGXIANSHI.000.,HUODIWEISHANGDESHUZICHUXIANTIAODONG。

  e、JINZHIZAICELIANGGAODIANYA(220VYISHANG)HUODADIANLIU(0.5AYISHANG)SHIHUANLIANGCHENG,YIFANGZHICHANSHENGDIANHU,SHAOHUIKAIGUANCHUDIAN。

  f、DANGXIANSHI。 。、.BATT.HUO.LOWBAT. SHI,BIAOSHIDIANCHIDIANYADIYUGONGZUODIANYA。

  

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