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热电阻温度传感器的探头类型与结构型式

发布时间:2020-5-28      发布人:泽天传感      点击:

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由于铂电阻是一种应用广泛的热电阻温度传感器,这里重点介绍一下。铂电阻传感器福彩快三本质上来讲属于PTC热敏电阻的一种。金属的电阻率会随着温度的升高而增大,因此这种特性被用来测量温度。薄膜式铂电阻,由于结构超薄,因此在电阻不被影响的前提下,配置了一个玻璃套管,用以保护。目前通用的铂电阻的电阻值为100Ohm(0℃时),这是目前国际通用的铂电阻。另外一种PT100传感器采用绕线陶瓷式,此种方法将铂丝攻成螺旋状,再装入陶瓷基体内,此传感器结构十分紧密,在所有铂电阻传感器中,这种结构精度最高,使用时间持久并且无老化现象,但是相较于热电偶的测量原理,反应时间较缓,因此在应用时经常运用于食品科技,特别是实验室研发环节。

铂电阻传感器

REDIANZUWENDUCHUANGANQIZHICHENGDEWENDUTANTOULEIXINGZHUYAOYOUSANZHONG:

1、CIRU/JINRUSHITANTOU:YONGYUCELIANGYETIJIGUTIDEWENDU,TANTOUDEQIANDUANSHEJIWEIZHENZHUANGCIRUSHI。SHIYONGSHIRUGUOCELIANGTANTOUDEWENDUBIBEICEWUTIDI,GENJUNENGLIANGSHOUHENGYUANLI,RENENGHUICONGBEICEWUTIREDAOZHITANTOUSHANG;RUGUOCELIANGTANTOUDEWENDUBIBEICEWUTIJIAOGAO,TONGLIRENENGZECONGTANTOUCHUANDAOZHIBEICEWUTI。ZHEIJIUYIWEIZHEBEICEWUTIBEIJIARESHENGWEN,SUOCEDEDEWENDUSHIJIAWENZHIHOUDEWUTIWENDU,ZAICICELIANGQINGKUANG,TANTOUYUJIEZHIDEBIZHIBIXUKAOLV,YINWEITANTOUYUJIEZHIDEBIZHIYUEHAO,YUENENGGENGJINGZHUNDECEDEWUTIHUOQUDENENGLIANG,YOUYUNENGLIANGZHUANYIDEYUANYINHUIDAOZHICELIANGSHICHANSHENGWUCHA。WOMENYIDINGYAOZHUYIYIQICELIANGDEBUSHIJIEZHIDEWENDU,ERSHICHUANGANQIDEWENDU,CICELIANGWUCHAKEYITONGGUOYIXIAFANGSHIJIANXIAO:CIRUHUOJINRUDESHENDU10HUO15BEIYUTANTOUDEZHIJING;DANGCELIANGYETISHI,JINLIANGHECHIYETIDELIUDONGKEYIYOUXIAOJIANSHAOWUCHA。

2、KONGQIWENDUTANTOU,YONGLAICELIANGKONGQIWENDU,LIRULENGKU、LENGJU、KONGDIAOSHI(DIAOWEN)、TONGFENGCHANGSUO(TONGFENG/PAIFENG)DENG,KONGQITANTOUDECHUANGANQILUOLU,YINCISHIZHIHENRONGYISHOUQILIUSUOYINGXIANG,ZUIJIADEJIEJUEFANGFASHIZAIQILIUWEI2-3m/sSHI,SHUNLIUQINGYITANTOU,SHIWENDUDACHENGPINGHENGWENDING。

3、表面探头,用来测量物体的表面温度。空气温度探头和表面探头使用进行表面温度测量时,探头的前端必须垂直于被测物体,与被测物体充分完全的接触。必须注意的是探头与被测物的接触面必须平坦,否则在测量时则会影响测量结果。

福彩快三 WENDUTANTOUCAIYONGJIECHUFANGFA,ZHUYAOYINGYONGZAISHIPINDECHOUYANGJIANCHA、SHIPINYUNSHUGUOCHENGZHONGDEWENDUJIANKONG、YANDAOZHONGLIUDONGYANQIZHONGXINWENDUCELIANG、BUTONGDIANWENCHACELIANG、DIANZIHANJIESHITONGGUOBIAOMIANWENDUCELIANGJIANCEYUREZHUANGKUANG、ZAIHUAXUEFANYINGGUOCHENGSHITONGGUOJINRUSHICELIANGHUAXUERONGYEDEWENDU、ZAIJIXIEZHIZAOXINGYE,CELIANGZHOUCHENGYUCHILUNDEBIAOMIANWENDU,YONGYIWEIHUJIJIANXIUDENGDENGFANGMIAN。

福彩快三 REDIANZUWENDUCHUANGANQIYOUYIXIAJIZHONGJIEGOUXINGSHI:

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福彩快三 3)DUANMIANREDIANZU DUANMIANREDIANZUGANWENYUANJIANYOUTESHUCHULIDEDIANZUSICAIRAOZHI,JINTIEZAIWENDUJIDUANMIAN,。TAYUYIBANZHOUXIANGREDIANZUXIANGBI,NENGGENGZHENGQUEHEKUAISUDIFANYINGBEICEDUANMIANDESHIJIWENDU,SHIYONGYUCELIANGZHOUWAHEQITAJIJIANDEDUANMIANWENDU。

4)隔爆型热电阻 隔爆型热电阻通过特殊结构的接线盒,把其外壳内部爆炸性混合气体因受到火花或电弧等影响而发生的爆炸局限在接线盒内,生产现场不会引超爆炸。隔爆型热电阻可用于Bla~B3c级区内具有爆炸危险场所的温度测量。本文源自泽天传感,转载请保留出处。