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热电阻如何测温度 热电阻的测温原理

点击次数:   发布时间:2018-10-26 12:35:10

  ZAIGONGYESHENGCHANZHONGDEYINGYONGYESHIHENGUANGFANDE。NEIMEWOMENLAILEJIEYIXIASHIRUHECEWENDUDE、 REDIANZUDECEWENYUANLIYOUSHISHENME?

  

HT-WZPT-101

 

  热电阻如何测温度

  REDIANZUCEWENXITONGYIBANYOUREDIANZU、LIANJIEDAOXIANHEXIANSHIYIBIAODENGZUCHENG。

  XIANGYAOZHENGQUEDECEWEN,SHIYONGZHONGBIXUZHUYIYIXIALIANGDIAN:

  1、REDIANZUHEXIANSHIYIBIAODEFENDUHAOBIXUYIZHI。ZAIDCSXITONGI/0ZUTAIZHONGYEYAOZHUYIFENDUHAODESHEZHI。

  2、JINLIANGXIAOCHULIANJIEDAOXIANDIANZUBIANHUADEYINGXIANG。ZAIREDIANZUBENSHENMEIYOUWENTISHI,ZHIYAOXIXINGUANCHAGONGZUOXIANCHANGJISHIZHIBIANHUA,JIUNENGZHAODAOGUZHANGYUANYIN。SHUOQILAIJIANDAN,ZHENZHENGCHULIWENTISHIJIUYAOXIAYIXIEGONGFULE。DANGFASHENGWENTISHI,YIFENDUIYINGSHIZHIFENDUBIAOSHIBIBUKESHAODE。ZAIGONGZUOXIANCHANGJINGFENDUBIAOQUEDINGWENDUSHISHOUXIANYAOZUODE。YINWEIZHEILISHIREDIANZUYUANJIANYUXIANSHIYIBIAODEFENJIEXIAN,KEYIZHIJIEFENBIANCHUYICIYUANJIAN、ERCIYIBIAOJIXIANLUNAGEZHUMIANCHULEWENTI。

  DUIREDIANZUDEANZHUANG,YINGZHUYIYOULIYUCEWENZHUNQUE,ANQUANKEKAOJIWEIXIUFANGBIAN,

  ERQIEBUYINGXIANGSHEBEIYUNXINGHESHENGCHANCAOZUO。YAOMANZUYISHANGYAOQIU,ZAIXUANZEDUIREDIANZUDEANZHUANGBUWEIHECHARUSHENDUSHIYAOZHUYIYIXIAJIDIAN:

黄大仙玄机资料独家   A、WEILESHIREDIANZUDECELIANGDUANYUBEICEJIEZHIZHIJIANYOUCHONGFENDEREJIAOHUAN,YINGHELIXUANZECEDIANWEIZHI,JINLIANGBIMIANZAIFAMEN,WANTOUJIGUANDAOHESHEBEIDESIJIAOFUJINZHUANGSHEREDIANZU。

  B、带有保护套管的热电阻有传热和散热损失,为了减少测量误差,热电偶和热电阻应该有足够的插入深度:

  1)DUIYUCELIANGGUANDAOZHONGXINLIUTIWENDUDEREDIANZU,YIBANDOUYINGJIANGQICELIANGDUANCHARUDAOGUANDAOZHONGXINCHU(CHUIZHIANZHUANGHUOQINGXIEANZHUANG)。RUBEICELIUTIDEGUANDAOZHIJINGSHI200HAOMI,NEIREDIANZUCHARUSHENDUYINGXUANZE100HAOMI;

黄大仙玄机资料独家   2)DUIYUGAOWENGAOYAHEGAOSULIUTIDEWENDUCELIANG(RUZHUZHENGQIWENDU),WEILEJIANXIAOBAOHUTAODUILIUTIDEZULIHEFANGZHIBAOHUTAOZAILIUTIZUOYONGXIAFASHENGDUANLIE,KECAIQUBAOHUGUANQIANCHAFANGSHIHUOCAIYONGRETAOSHIREDIANZU。QIANCHASHIDEREDIANZUBAOHUTAOGUAN,QICHARUZHUZHENGQIGUANDAODESHENDUYINGBUXIAOYU75mm;RETAOSHIREDIANZUDEBIAOZHUNCHARUSHENDUWEI100mm。

  3)JIARUXUYAOCELIANGSHIYANDAONEIYANQIDEWENDU,JINGUANYANDAOZHIJINGWEI4m,REDIANZUCHARUSHENDU1mJIKE。

黄大仙玄机资料独家   4)DANGCELIANGYUANJIANCHARUSHENDUCHAOGUO1mSHI,YINGJINKENENGCHUIZHIANZHUANG,HUOJIAZHUANGZHICHENGJIAHEBAOHUTAOGUAN。

  ANZHUANGZHUYI

  1、REDIANZUYINGJINLIANGCHUIZHIZHUANGZAISHUIPINGHUOCHUIZHIGUANDAOSHANG,ANZHUANGSHIYINGYOUBAOHUTAOGUAN,YIFANGBIANJIANXIUHEGENGHUAN。

黄大仙玄机资料独家   2、GAOWENQUSHIYONGNAIGAOWENDIANLANHUONAIGAOWENBUCHANGXIAN。

黄大仙玄机资料独家   3、YAOGENJUBUTONGDEWENDUXUANZEBUTONGDECELIANGYUANJIAN。YIBANCELIANGWENDUXIAOYU400℃SHIXUANZEREDIANZU。

  4、JIEXIANYAOHELIMEIGUAN,BIAOZHENZHISHIYAOZHENGQUE。

黄大仙玄机资料独家   5、CELIANGGUANDAONEIWENDUSHI,YUANJIANZHANGDUYINGZAIGUANDAOZHONGXINXIANSHANG(JIBAOHUGUANCHARUSHENDUYINGWEIGUANJINGDEYIBAN)。

  6、WENDUDONGQUANBIAOANZHUANGSHI,KAIKONGCHICUNYAOHESHI,ANZHUANGYAOMEIGUANDAFANG。

  

WZPT-101

 

  热电阻的测温原理

  REDIANZUYUANJIANDEDIANZUZHIGENJUWENDUBIANHUAHUICHANSHENGYIDINGBILIDEBIANHUA,RANGYIDINGDIANLIUTONGGUODIANZUYUANJIAN,BINGSHIYONGCELIANGQICELIANGDIANZUYUANJIANLIANGDUANDEDIANYA,RANHOUANZHAOOUMUDINGLVU=I×RJISUANCHUDIANZUZHI,CONGERTUIDAOCHUWENDUDAXIAO。

黄大仙玄机资料独家   REDIANZUWENDUJISHILIYONGJINSHUDAOTIDEDIANZUZHISUIWENDUDEBIANHUAERGAIBIANDETEXINGLAICELIANGWENDUDE。

  REDIANZUDEDIANZUZHIYUWENDUDEGUANXI,YIBANKEYONGXIASHIBIAOSHI:

  R=R0[1+α(t-t0)]

  HUO△R=αR0△t

  SHIZHONGR0——WENDUWEIt0(TONGCHANGWEI0℃)SHIDEDIANZUZHI;

  α——DIANZUWENDUXISHU;

  △t——WENDUDEBIANHUA;

  △R——DIANZUZHIDEBIANHUA。

  KEJIAN,YOUYUWENDUDEBIANHUA,DAOZHILEJINSHUDAOTIDIANZUDEBIANHUA。SHIYANBIAOMING,DADUOSHUJINSHUZAIWENDUSHENGGAO1℃SHI,DIANZUZHIZENGJIA0.46~0.6%。SHEFACECHUDIANZUZHIDEBIANHUA,JIUKEDADAOWENDUCELIANGDEMUDE。

  

 

  REDIANZUCEWENCHANGHUIXUANYONGYIXIAJIZHONGLEIXING

黄大仙玄机资料独家   【Pt100REDIANZU】SHIYONGDEZUIGUANGFAN。Pt100SHIBOREDIANZU,TADEZUZHIGENWENDUDEBIANHUACHENGZHENGBI。PT100DEZUZHIYUWENDUBIANHUAGUANXIWEI:DANGPT100WENDUWEI0℃SHITADEZUZHIWEI100OUMU,ZAI100℃SHITADEZUZHIYUEWEI138.5OUMU。TADEGONGYEYUANLI:DANGPT100ZAI0SHESHIDUDESHIHOUTADEZUZHIWEI100OUMU,TADEZUZHIHUISUIZHEWENDUSHANGSHENGERCHENGYUNSUZENGZHANGDE。

  【TONGREDIANZU】WENDUTEXINGPIANCHAXIAO,JIAGEBIANYI。DANSHI,YOUYUQIDIANZULV(GUYOUDIANZU)JIAOXIAO,TIJISHANGWUFASHIXIANXIAOXINGHUA。CIWAI,YOUYUZAIGAOWENXIARONGYIYANGHUA,TADESHIYONGSHANGXIANWENDUWEI+180。

  【NIEREDIANZU】MEI1DEDIANZUZHIBIANHUAJIAODA,JIAGEDILIAN。DANSHI,NIEREDIANZUZAI+300ZUOYOUCUNZAILINJIEDIAN,YINERQISHIYONGSHANGXIANWENDUJIAODI。

黄大仙玄机资料独家   【BOGUREDIANZU】NIEGUREDIANZUSHIYIZHONGJIANGBOGUHEJINYONGYUDIANZUYUANJIANDECHUANGANQI,YONGLAICELIANGJIDIWENDU

  【ZHUANGPEISHIREDIANZU】JIANGNEIBUDAOXIANLIANJIEDAODIANZUYUANJIANBINGFANGRUBAOHUGUAN,ANZHAODUANZIHOUJINXINGSHIYONG,ZHEISHIZHUANGPEISHIREDIANZUZUIJIBENDEJIEGOU。QIYOUDIANSHIKEYIXUANZEBUTONGANZHAOXINGSHIHEBUTONGCAIZHIBAOHUGUAN,KEYISHIYONGYUYIBANHUANJINGHUONAIFUSHIHUANJINGCEWEN,CIWAIJIAGEDILIAN,SHIYONGFANGBIAN。DANSHIHEKAIZHUANGREDIANZUXIANGBIJIAO,YEJUYOUTIJIJIAODA、XIANGYINGSUDUMANDEQUEDIAN。

  

 

  【KAIZHUANGREDIANZU】KAIZHUANGREDIANZUSHIZAIJINSHUXIGUAN(KAIZHUANG)、NEIBUDAOXIANHEDIANZUYUANJIANZHIJIANTIANCHONGGAOCHUNDUMgO(YANGHUAMEI),RANHOUJINXINGYITIHUAJIAGONG。KAIZHUANGREDIANZUTIXINGXIZHANG,KAIZHUANGNEIBUCUNZAIKONGQICENG,XIANGYINGXUNSUSHIQIZUIDAYOUDIAN。CIWAI,TADEHAOCHUHAIZAIYUKEYIZIYOUWANQUXINGZHUANG,SUOXIWAIJING。

  

 

  GUANYULEJIEYIXIAREDIANZUSHIRUHECEWENDUDE、 REDIANZUDECEWENYUANLIYOUSHISHENME?BEIJINGHAOHAIYUNTIANJIUJIESHAOJIUDAOZHEILI,XIWANGNENGGOUBANGZHUNINGENGJIAZHENGQUEDESHIYONGREDIANZUCEWENJIDUIREDIANZUDEXUANXING!

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