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您现在的位置:广东11选5 >> 技术文章 >> 中瑞祥解析 万用表功能及原理
中瑞祥解析 万用表功能及原理
浏览次数:134发布日期:2019-11-21

 万用表又称为复用表、多用表、三用表、繁用表等,是电力电子等部门不可缺少的测量仪表,一般以测量电压、电流和电阻为主要目的。万用表按显示方式分为指针万用表和数字万用表。是一种多功能、多量程的测量仪表,一般万用表可测量直流电流、直流电压、交流电流、交流电压、电阻和音频电平等,有的还可以测交流电流、电容量、电感量及半导体的一些参数(如β)等。
万用表是一种带有整流器的、可以测量交、直流电流、电压及电阻等多种电学参量的磁电式仪表。对于每一种电学量,一般都有几个量程。又称多用电表或简称多用表。万用表是由磁电系电流表(表头),测量电路和选择开关等组成的。通过选择开关的变换,可方便地对多种电学参量进行测量。其电路计算的主要依据是闭合电路欧姆定律。万用表种类很多,使用时应根据不同的要求进行选择。

JIBENGONGYONG

WANYONGBIAOBUJINKEYIYONGLAICELIANGBEICELIANGWUTIDEDIANZU,JIAOZHILIUDIANYAHAIKEYICELIANGZHILIUDIANYA。SHENZHIYOUDEWANYONGBIAOHAIKEYICELIANGJINGTIGUANDEZHUYAOCANSHUYIJIDIANRONGQIDEDIANRONGLIANGDENG。CHONGFENSHULIANZHANGWOWANYONGBIAODESHIYONGFANGFASHIDIANZIJISHUDEJIBENJINENGZHIYI。CHANGJIANDEWANYONGBIAOYOUZHIZHENSHIWANYONGBIAOHESHUZISHIWANYONGBIAO。ZHIZHENSHIDUOYONGBIAOSHIYIBIAOTOUWEIHEXINBUJIANDEDUOGONGNENGCELIANGYIBIAO,CELIANGZHIYOUBIAOTOUZHIZHENZHISHIDUQU。SHUZISHIWANYONGBIAODECELIANGZHIYOUYEJINGXIANSHIPINGZHIJIEYISHUZIDEXINGSHIXIANSHI,DUQUFANGBIAN,YOUXIEHAIDAIYOUYUYINTISHIGONGNENG。WANYONGBIAOSHIGONGYONGYIGEBIAOTOU,JIDIANYABIAO、DIANLIUBIAOHEOUMUBIAOYUYITIDEYIBIAO。

 

广东11选5WANYONGBIAODEZHILIUDIANLIUDANGSHIDUOLIANGCHENGDEZHILIUDIANYABIAO。BIAOTOUBINGLIANBILUSHIFENYADIANZUJIKEKUODAQIDIANYALIANGCHENG。WANYONGBIAODEZHILIUDIANYADANGSHIDUOLIANGCHENGDEZHILIUDIANYABIAO。BIAOTOUCHUANLIANFENYADIANZUJIKEKUODAQIDIANYALIANGCHENG。FENYADIANZUBUTONG,XIANGYINGDELIANGCHENGYEBUTONG。WANYONGBIAODEBIAOTOUWEICIDIANXICELIANGJIGOU,TAZHINENGTONGGUOZHILIU,LIYONGERJIGUANJIANGJIAOLIUBIANWEIZHILIU,CONGERSHIXIANJIAOLIUDIANDECELIANG。

JIEGOUZUCHENG

广东11选5WANYONGBIAOYOUBIAOTOU、CELIANGDIANLUJIZHUANHUANKAIGUANDENGSANGEZHUYAOBUFENZUCHENG。WANYONGBIAOSHIDIANZICESHILINGYUJIBENDEGONGJU,YESHIYIZHONGSHIYONGGUANGFANDECESHIYIQI。WANYONGBIAOYOUJIAODUOYONGBIAO、SANYONGBIAO(A,V,ΩYEJIDIANLIU,DIANYA,DIANZUSANYONG)、FUYONGBIAO、BIAO,WANYONGBIAOFENWEIZHIZHENSHIWANYONGBIAOHESHUZIWANYONGBIAO,HAIYOUYIZHONGDAISHIBOQIGONGNENGDESHIBOWANYONGBIAO,SHIYIZHONGDUOGONGNENG、DUOLIANGCHENGDECELIANGYIBIAO。YIBANWANYONGBIAOKECELIANGZHILIUDIANLIU、ZHILIUDIANYA、JIAOLIUDIANYA、DIANZUHEYINPINDIANPINGDENG,YOUDEHAIKEYICEJIAOLIUDIANLIU、DIANRONGLIANG、DIANGANLIANG、WENDUJIBANDAOTI(ERJIGUAN、SANJIGUAN)DEYIXIECANSHU。SHUZISHIWANYONGBIAOYICHENGWEIZHULIU,YIJINGQUDAIMONISHIYIBIAO。YUMONISHIYIBIAOXIANGBI,SHUZISHIYIBIAOLINGMINDUGAO,DUGAO,XIANSHIQINGXI,GUOZAINENGLIQIANG,BIANYUXIEDAI,SHIYONGYEGENGFANGBIANJIANDAN。

BIAOTOU

 

WANYONGBIAODEBIAOTOUSHILINGMINDIANLIUJI。BIAOTOUSHANGDEBIAOPANYINYOUDUOZHONGFUHAO,KEDUXIANHESHUZHI。FUHAOAYIVYIΩBIAOSHIZHEIZHIDIANBIAOSHIKEYICELIANGDIANLIU、DIANYAHEDIANZUDEDUOYONGBIAO。BIAOPANSHANGYINYOUDUOTIAOKEDUXIAN,QIZHONGYOUDUANBIAOYOU"Ω"DESHIDIANZUKEDUXIAN,QIYOUDUANWEILING,ZUODUANWEI∞,KEDUZHIFENBUSHIBUJUNYUNDE。FUHAO"-"HUO"DC"BIAOSHIZHILIU,"~"HUO"AC"BIAOSHIJIAOLIU,"~"BIAOSHIJIAOLIUHEZHILIUGONGYONGDEKEDUXIAN。KEDUXIANXIADEJIXINGSHUZISHIYUXUANZEKAIGUANDEBUTONGDANGWEIXIANGDUIYINGDEKEDUZHI。

 

BIAOTOUSHANGHAISHEYOUJIXIELINGWEIDIAOZHENGXUANNIU,YONGYIXIAOZHENGZHIZHENZAIZUODUANLINGWEI。

XUANZEKAIGUAN

 

WANYONGBIAODEXUANZEKAIGUANSHIYIGEDUODANGWEIDEXUANZHUANKAIGUAN。YONGLAIXUANZECELIANGXIANGMUHELIANGCHENG。

 

YIBANDEWANYONGBIAOCELIANGXIANGMUBAOKUO:"mA";ZHILIUDIANLIU、"V(-)":ZHILIUDIANYA、"V(~)":JIAOLIUDIANYA、"Ω":DIANZU。MEIGECELIANGXIANGMUYOUHUAFENWEIJIGEBUTONGDELIANGCHENGYIGONGXUANZE。

 

BIAOBIHEBIAOBICHAKONG

 

广东11选5BIAOBIFENWEIHONG、HEIERZHI。SHIYONGSHIYINGJIANGHONGSEBIAOBICHARUBIAOYOU"+"HAODECHAKONG,HEISEBIAOBICHARUBIAOYOU"-"HAODECHAKONG。

BIAOTOU(ZHIZHENSHI)

 

TASHIYIZHIGAOLINGMINDUDECIDIANSHIZHILIUDIANLIUBIAO,WANYONGBIAODEZHUYAOXINGNENGZHIBIAOJIBENSHANGQUJUEYUBIAOTOUDEXINGNENG。BIAOTOUDELINGMINDUSHIZHIBIAOTOUZHIZHENMANKEDUPIANZHUANSHILIUGUOBIAOTOUDEZHILIUDIANLIUZHI,ZHEIGEZHIYUEXIAO,BIAOTOUDELINGMINDUYUGAO。CEDIANYASHIDENEIZUYUEDA,QIXINGNENGJIUYUEHAO。BIAOTOUSHANGYOUSITIAOKEDUXIAN,TAMENDEGONGNENGRUXIA:TIAO(CONGSHANGDAOXIA)BIAOYOURHUOΩ,ZHISHIDESHIDIANZUZHI,ZHUANHUANKAIGUANZAIOUMUDANGSHI,JIDUCITIAOKEDUXIAN。DIERTIAOBIAOYOU∽HEVA,ZHISHIDESHIJIAO、ZHILIUDIANYAHEZHILIUDIANLIUZHI,DANGZHUANHUANKAIGUANZAIJIAO、ZHILIUDIANYAHUOZHILIUDIANLIUDANG,LIANGCHENGZAICHUJIAOLIU10VYIWAIDEQITAWEIZHISHI,JIDUCITIAOKEDUXIAN。DISANTIAOBIAOYOU10V,ZHISHIDESHI10VDEJIAOLIUDIANYAZHI,DANGZHUANHUANKAIGUANZAIJIAO、ZHILIUDIANYADANG,LIANGCHENGZAIJIAOLIU10VSHI,JIDUCITIAOKEDUXIAN。DISITIAOBIAOYOUdB,ZHISHIDESHIYINPINDIANPING。

BIAOTOU(SHUZISHI)

 

广东11选5SHUZIWANYONGBIAODEBIAOTOUYIBANYOUYIZHIA/D(MONI/SHUZI)ZHUANHUANXINPIAN+WAIWEIYUANJIAN+YEJINGXIANSHIQIZUCHENG,WANYONGBIAODEJINGDUSHOUBIAOTOUDEYINGXIANG,WANYONGBIAOYOUYUA/DXINPIANZHUANHUANCHULAIDESHUZI,YIBANYECHENGWEI3 1/2WEISHUZIWANYONGBIAO,4 1/2WEISHUZIWANYONGBIAODENGDENG。CHANGYONGDEXINPIANSHIICL7106(3WEIBANLCDSHOUDONGLIANGCHENGJINGDIANXINPIAN,HOUXUBANBENWEI7106A,7106B,7206,7240DENGDENG),ICL7129(4WEIBANLCDSHOUDONGLIANGCHENGJINGDIANXINPIAN),ICL7107(3WEIBANLEDSHOUDONGLIANGCHENGJINGDIANXINPIAN)。

 

CELIANGXIANLU

CELIANGXIANLUSHIYONGLAIBAGEZHONGBEICELIANGZHUANHUANDAOSHIHEBIAOTOUCELIANGDEWEIXIAOZHILIUDIANLIUDEDIANLU,TAYOUDIANZU、BANDAOTIYUANJIANJIDIANCHIZUCHENG

 

TANENGJIANGGEZHONGBUTONGDEBEICELIANG(RUDIANLIU、DIANYA、DIANZUDENG)、BUTONGDELIANGCHENG,JINGGUOYIXILIEDECHULI(RUZHENGLIU、FENLIU、FENYADENG)TONGYIBIANCHENGYIDINGLIANGXIANDEWEIXIAOZHILIUDIANLIUSONGRUBIAOTOUJINXINGCELIANG。

 

ZHUANHUANKAIGUAN

 

广东11选5QIZUOYONGSHIYONGLAIXUANZEGEZHONGBUTONGDECELIANGXIANLU,YIMANZUBUTONGZHONGLEIHEBUTONGLIANGCHENGDECELIANGYAOQIU。ZHUANHUANKAIGUANYIBANSHIYIGEYUANXINGBOPAN,ZAIQIZHOUWEIFENBIEBIAOYOUGONGNENGHELIANGCHENG。

GONGZUOYUANLI

广东11选5WANYONGBIAODEJIBENYUANLISHILIYONGYIZHILINGMINDECIDIANSHIZHILIUDIANLIUBIAO(WEIANBIAO)ZUOBIAOTOU。

SHEJIYUANLI

广东11选5SHUZIWANYONGBIAODECELIANGGUOCHENGYOUZHUANHUANDIANLUJIANGBEICELIANGZHUANHUANCHENGZHILIUDIANYAXINHAO,ZAIYOUMO/SHU(A/D)ZHUANHUANQIJIANGDIANYAMONILIANGZHUANHUANCHENGSHUZILIANG,RANHOUTONGGUODIANZIJISHUQIJISHU,HOUBACELIANGJIEGUOYONGSHUZIZHIJIEXIANSHIZAIXIANSHIPINGSHANG。

 

广东11选5WANYONGBIAOCELIANGDIANYA、DIANLIUHEDIANZUGONGNENGSHITONGGUOZHUANHUANDIANLUBUFENSHIXIANDE,ERDIANLIU、DIANZUDECELIANGDOUSHIJIYUDIANYADECELIANG,YEJIUSHISHUOSHUZIWANYONGBIAOSHIZAISHUZIZHILIUDIANYABIAODEJICHUSHANGKUOZHANERCHENGDE。

 

广东11选5SHUZIZHILIUDIANYABIAOA/DZHUANHUANQIJIANGSUISHIJIANLIANXUBIANHUADEMONIDIANYALIANGBIANHUANCHENGSHUZILIANG,ZAIYOUDIANZIJISHUQIDUISHUZILIANGJINXINGJISHUDEDAOCELIANGJIEGUO,ZAIYOUYIMAXIANSHIDIANLUJIANGCELIANGJIEGUOXIANSHICHULAI。LUOJIKONGZHIDIANLUKONGZHIDIANLUDEXIEDIAOGONGZUO,ZAISHIZHONGDEZUOYONGXIAANSHUNXUWANCHENGZHENGGECELIANGGUOCHENG

 

DANGWEIXIAODIANLIUTONGGUOBIAOTOU,JIUHUIYOUDIANLIUZHISHI。DANBIAOTOUBUNENGTONGGUODADIANLIU,SUOYI,BIXUZAIBIAOTOUSHANGBINGLIANYUCHUANLIANYIXIEDIANZUJINXINGFENLIUHUOJIANGYA,CONGERCECHUDIANLUZHONGDEDIANLIU、DIANYAHEDIANZU。

 

 

 

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