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*现(Xian)货(Huo)贺(He)德(De)克(Ke)ETS326-2-100-000

产(Chan)品(Pin)简(Jian)介(Jie)

*现(Xian)货(Huo)贺(He)德(De)克(Ke)ETS326-2-100-000
2018年(Nian)*正(Zheng)品(Pin)贺(He)德(De)克(Ke)年(Nian)底(Di)冲(Chong)量(Liang)现(Xian)货(Huo)销(Xiao)售(Shou),(?)来(Lai)年(Nian)后(Hou)二(?)个(Ge)月(Yue)全(Quan)部(Bu)做(Zuo)*销(Xiao)售(Shou)处(Chu)理(Li)。(?)公(Gong)司(Si)价(Jia)格(Ge)好(Hao),(?)质(Zhi)量(Liang)优(You),(?)是(Shi)受(Shou)广(Guang)大(Da)用(Yong)户(Hu)的(De)支(Zhi)持(Chi)及(Ji)热(Re)爱(Ai)!(?)

产(Chan)品(Pin)型(Xing)号(Hao):(?)
更(Geng)新(Xin)时(Shi)间(Jian):(?)2024-07-21
厂(Chang)商(Shang)性(Xing)质(Zhi):(?)经(Jing)销(Xiao)商(Shang)
访(Fang)问(Wen)量(Liang):(?)1613
详(Xiang)细(Xi)介(Jie)绍(Shao)在(Zai)线(Xian)留(Liu)言(Yan)
品(Pin)牌(Pai)HYDAC/德(De)国(Guo)贺(He)德(De)克(Ke)

*现(Xian)货(Huo)贺(He)德(De)克(Ke)ETS326-2-100-000
2018年(Nian)*正(Zheng)品(Pin)贺(He)德(De)克(Ke)年(Nian)底(Di)冲(Chong)量(Liang)现(Xian)货(Huo)销(Xiao)售(Shou),(?)来(Lai)年(Nian)最(Zui)后(Hou)二(?)个(Ge)月(Yue)全(Quan)部(Bu)做(Zuo)*销(Xiao)售(Shou)处(Chu)理(Li)。(?)公(Gong)司(Si)价(Jia)格(Ge)好(Hao),(?)质(Zhi)量(Liang)优(You),(?)是(Shi)受(Shou)广(Guang)大(Da)用(Yong)户(Hu)的(De)支(Zhi)持(Chi)及(Ji)热(Re)爱(Ai)!(?)
电(Dian)子(Zi)温(Wen)度(Du)继(Ji)电(Dian)器(Qi)ETS300
应(Ying)用(Yong):ETS300是(Shi)一(Yi)个(Ge)紧(Jin)凑(?)的(De)电(Dian)子(Zi)温(Wen)度(Du)继(Ji)电(Dian)器(Qi),(?)带(Dai)数(Shu)字(Zi)显(Xian)示(Shi)。(?)为(Wei)了(Liao)好(Hao)的(De)适(Shi)应(Ying)各(Ge)种(Zhong)应(Ying)用(Yong)场(Chang)合(He),(?)又(You)分(Fen)为(Wei)两(Liang)种(Zhong)类(Lei)型(Xing)。(?)带(Dai)内(Nei)置(Zhi)温(Wen)度(Du)传(Chuan)感(Gan)器(Qi)的(De)ETS300量(Liang)程(Cheng)为(Wei)-25℃(?)至(Zhi)+100℃(?)。(?),(?)耐(Nai)压(Ya)不(Bu)高(Gao)于(Yu)600bar,(?)所(Suo)以(Yi)可(Ke)直(Zhi)接(Jie)安(An)装(Zhuang)在(Zai)液(Ye)压(Ya)阀(Fa)块(Kuai)上(Shang)。(?)带(Dai)分(Fen)体(Ti)温(Wen)度(Du)传(Chuan)感(Gan)器(Qi)输(Shu)出(Chu)的(De)ETS300,显(Xian)示(Shi)范(Fan)围(Wei)为(Wei)-30℃(?)至(Zhi)+150℃(?)。(?)与(Yu)为(Wei)油(You)箱(Xiang)安(An)装(Zhuang)而(?)专(Zhuan)门(Men)研(Yan)制(Zhi)的(De)温(Wen)度(Du)传(Chuan)感(Gan)器(Qi)TFP100共(Gong)同(Tong)使(Shi)用(Yong),(?)它(Ta)也(Ye)可(Ke)与(Yu)市(Shi)场(Chang)上(Shang)常(Chang)用(Yong)PT100共(Gong)同(Tong)使(Shi)用(Yong)。(?)
带(Dai)1个(Ge)或(Huo)2个(Ge)开(Kai)关(Guan)量(Liang)输(Shu)出(Chu),(?)可(Ke)选(Xuan)择(Ze)带(Dai)附(Fu)加(Jia)模(Mo)拟(Ni)输(Shu)出(Chu)信(Xin)号(Hao)4...20mA的(De)不(Bu)同(Tong)输(Shu)出(Chu)类(Lei)型(Xing),(?)使(Shi)该(Gai)继(Ji)电(Dian)器(Qi)具(Ju)有(You)多(Duo)种(Zhong)使(Shi)用(Yong)可(Ke)能(Neng)。(?)切(Qie)换(Huan)点(Dian)及(Ji)相(Xiang)应(Ying)的(De)延(Yan)滞(Zhi)可(Ke)通(Tong)过(Guo)按(An)键(Jian)方(Fang)便(Bian)地(Di)调(Diao)定(Ding)。(?)
为(Wei)佳(Jia)地(Di)适(Shi)应(Ying)专(Zhuan)门(Men)的(De)应(Ying)用(Yong)场(Chang)合(He),(?)该(Gai)装(Zhuang)置(Zhi)具(Ju)备(Bei)许(Xu)多(Duo)附(Fu)加(Jia)调(Diao)节(Jie)功(Gong)能(Neng)((?)如(Ru)切(Qie)换(Huan)延(Yan)迟(Chi)时(Shi)间(Jian),(?)输(Shu)出(Chu)的(De)常(Chang)开(Kai)、(?)常(Chang)闭(Bi)触(Chu)点(Dian)。(?))(?)。(?)
特(Te)性(Xing):(?)带(Dai)内(Nei)置(Zhi)或(Huo)分(Fen)体(Ti)式(Shi)温(Wen)度(Du)传(Chuan)感(Gan)器(Qi)的(De)紧(Jin)凑(?)温(Wen)度(Du)继(Ji)电(Dian)器(Qi),(?)2个(Ge)晶(Jing)体(Ti)管(Guan)开(Kai)关(Guan)量(Liang)输(Shu)出(Chu),(?)输(Shu)出(Chu)负(Fu)荷(He),(?)每(Mei)个(Ge)1.2A,可(Ke)选(Xuan)择(Ze):(?)模(Mo)拟(Ni)输(Shu)出(Chu)4...20mA.切(Qie)换(Huan)点(Dian)功(Gong)能(Neng)或(Huo)窗(Chuang)口(Kou)功(Gong)能(Neng),(?)许(Xu)多(Duo)有(You)附(Fu)加(Jia)功(Gong)能(Neng)。(?)
设(She)定(Ding)选(Xuan)择(Ze):(?)
ETS300提(Ti)供(Gong)的(De)全(Quan)部(Bu)功(Gong)能(Neng)可(Ke)通(Tong)过(Guo)两(Liang)个(Ge)易(Yi)于(Yu)操(Cao)作(Zuo)的(De)触(Chu)摸(Mo)按(An)键(Jian)设(She)置(Zhi)。(?)为(Wei)防(Fang)止(Zhi)对(Dui)该(Gai)装(Zhuang)置(Zhi)不(Bu)当(Dang)的(De)调(Diao)整(Zheng),(?)可(Ke)以(Yi)对(Dui)设(She)定(Ding)值(Zhi)锁(Suo)定(Ding)。(?)切(Qie)换(Huan)点(Dian)和(He)延(Yan)滞(Zhi)或(Huo)窗(Chuang)口(Kou)功(Gong)能(Neng)的(De)切(Qie)换(Huan)值(Zhi)的(De)设(She)定(Ding)范(Fan)围(Wei)。(?)
切(Qie)换(Huan)点(Dian)被(Bei)定(Ding)义(Yi)为(Wei)温(Wen)度(Du)设(She)定(Ding)值(Zhi),(?)当(Dang)达(Da)到(Dao)时(Shi)((?)随(Sui)着(Zhuo)温(Wen)度(Du)上(Shang)升(Sheng))(?)导(Dao)致(Zhi)切(Qie)换(Huan)输(Shu)出(Chu)的(De)变(Bian)化(Hua)。(?)这(Zhe)种(Zhong)输(Shu)出(Chu)状(Zhuang)态(Tai)被(Bei)维(Wei)持(Chi)知(Zhi)道(Dao)温(Wen)度(Du)下(Xia)降(Jiang)至(Zhi)低(Di)于(Yu)对(Dui)应(Ying)该(Gai)切(Qie)换(Huan)点(Dian)的(De)切(Qie)换(Huan)回(Hui)复(Fu)延(Yan)滞(Zhi)点(Dian)。(?)切(Qie)换(Huan)回(Hui)复(Fu)点(Dian),(?)由(You)预(Yu)设(She)的(De)延(Yan)滞(Zhi)所(Suo)确(Que)定(Ding)。(?)
窗(Chuang)口(Kou)功(Gong)能(Neng):(?)窗(Chuang)口(Kou)功(Gong)能(Neng)就(Jiu)是(Shi)使(Shi)切(Qie)换(Huan)开(Kai)关(Guan)在(Zai)某(Mou)一(Yi)范(Fan)围(Wei)内(Nei)工(Gong)作(Zuo)。(?)对(Dui)每(Mei)一(Yi)个(Ge)切(Qie)换(Huan)开(Kai)关(Guan)或(Huo)输(Shu)入(Ru)上(Shang)、(?)下(Xia)切(Qie)换(Huan)值(Zhi),(?)从(Cong)而(?)确(Que)定(Ding)一(Yi)个(Ge)工(Gong)作(Zuo)范(Fan)围(Wei)。(?)当(Dang)温(Wen)度(Du)进(Jin)入(Ru)此(Ci)范(Fan)围(Wei)时(Shi),(?)相(Xiang)应(Ying)的(De)切(Qie)换(Huan)开(Kai)关(Guan)动(Dong)作(Zuo),(?)当(Dang)温(Wen)度(Du)超(Chao)出(Chu)此(Ci)范(Fan)围(Wei)时(Shi)切(Qie)换(Huan)价(Jia)格(Ge)复(Fu)位(Wei)。(?)
*现(Xian)货(Huo)贺(He)德(De)克(Ke)ETS326-2-100-000
ETS1700电(Dian)子(Zi)温(Wen)度(Du)继(Ji)电(Dian)器(Qi)
应(Ying)用(Yong):(?)电(Dian)子(Zi)温(Wen)度(Du)继(Ji)电(Dian)器(Qi)ETS 1700主(Zhu)要(Yao)与(Yu)专(Zhuan)门(Men)为(Wei)油(You)箱(Xiang)安(An)装(Zhuang)而(?)开(Kai)发(Fa)的(De)温(Wen)度(Du)传(Chuan)感(Gan)器(Qi)TFP 100配(Pei)套(Tao)使(Shi)用(Yong)。(?)四(Si)位(Wei)数(Shu)字(Zi)显(Xian)示(Shi)屏(Ping)可(Ke)显(Xian)示(Shi)当(Dang)前(Qian)温(Wen)度(Du)、(?)一(Yi)个(Ge)切(Qie)换(Huan)点(Dian)温(Wen)度(Du)或(Huo)温(Wen)度(Du)大(Da)值(Zhi)。(?)温(Wen)度(Du)大(Da)值(Zhi)是(Shi)指(Zhi)温(Wen)度(Du)继(Ji)电(Dian)器(Qi)通(Tong)电(Dian)后(Hou),(?)或(Huo)者(Zhe)后(Hou)一(Yi)次(Ci)重(Zhong)新(Xin)启(Qi)动(Dong)以(Yi)来(Lai)出(Chu)现(Xian)的(De)高(Gao)的(De)温(Wen)度(Du)。(?)
四(Si)个(Ge)切(Qie)换(Huan)输(Shu)出(Chu)值(Zhi)可(Ke)以(Yi)调(Diao)节(Jie)液(Ye)压(Ya)、(?)润(Run)滑(Hua)等(Deng)流(Liu)体(Ti)控(Kong)制(Zhi)设(She)备(Bei)的(De)加(Jia)热(Re)及(Ji)冷(Leng)却(Que)过(Guo)程(Cheng)。(?)通(Tong)过(Guo)触(Chu)摸(Mo)按(An)键(Jian)很(Hen)容(Rong)易(Yi)调(Diao)节(Jie)四(Si)个(Ge)相(Xiang)互(Hu)独(Du)立(Li)的(De)切(Qie)换(Huan)点(Dian)和(He)切(Qie)换(Huan)回(Hui)复(Fu)点(Dian)。(?)
为(Wei)与(Yu)监(Jian)控(Kong)系(Xi)统(Tong)连(Lian)接(Jie)((?)如(Ru)与(Yu)PLC系(Xi)统(Tong))(?),(?)还(Huan)提(Ti)供(Gong)一(Yi)个(Ge)模(Mo)拟(Ni)输(Shu)出(Chu)((?)4...20mA或(Huo)0...10V)(?)。(?)
特(Te)性(Xing):(?)
温(Wen)度(Du)范(Fan)围(Wei)0...100℃(?)((?)32...212)(?),(?)四(Si)位(Wei)数(Shu)字(Zi)显(Xian)示(Shi);(?)通(Tong)过(Guo)按(An)键(Jian)设(She)定(Ding)操(Cao)作(Zuo)简(Jian)单(Dan);(?)四(Si)个(Ge)切(Qie)换(Huan)继(Ji)电(Dian)器(Qi)、(?)切(Qie)换(Huan)点(Dian)及(Ji)切(Qie)换(Huan)回(Hui)复(Fu)点(Dian)的(De)设(She)定(Ding)互(Hu)不(Bu)干(Gan)扰(Rao);(?)模(Mo)拟(Ni)输(Shu)出(Chu)信(Xin)号(Hao)可(Ke)选(Xuan)择(Ze)((?)4...20mA或(Huo)0...10V)(?);(?)许(Xu)多(Duo)有(You)用(Yong)的(De)附(Fu)加(Jia)功(Gong)能(Neng);(?)可(Ke)选(Xuan)择(Ze)安(An)装(Zhuang)位(Wei)置(Zhi)((?)传(Chuan)感(Gan)器(Qi)接(Jie)口(Kou)下(Xia)/上(Shang),(?)按(An)键(Jian)和(He)显(Xian)示(Shi)屏(Ping)可(Ke)180°旋(Xuan)转(Zhuan))(?)。(?)
设(She)定(Ding)选(Xuan)择(Ze):(?)
ETS 1700因(Yin)内(Nei)置(Zhi)微(Wei)型(Xing)计(Ji)算(Suan)机(Ji),(?)与(Yu)普(Pu)通(Tong)机(Ji)械(Xie)式(Shi)温(Wen)度(Du)开(Kai)关(Guan)相(Xiang)比(Bi),(?)除(Chu)了(Liao)切(Qie)换(Huan)功(Gong)能(Neng)外(Wai),(?)还(Huan)附(Fu)加(Jia)了(Liao)许(Xu)多(Duo)有(You)用(Yong)功(Gong)能(Neng),(?)例(Li)如(Ru)可(Ke)以(Yi)实(Shi)现(Xian)切(Qie)换(Huan)延(Yan)滞(Zhi)时(Shi)间(Jian),(?)或(Huo)者(Zhe)改(Gai)变(Bian)继(Ji)电(Dian)器(Qi)切(Qie)换(Huan)方(Fang)向(Xiang)等(Deng)。(?)所(Suo)有(You)设(She)定(Ding)通(Tong)过(Guo)触(Chu)摸(Mo)按(An)键(Jian)来(Lai)完(Wan)成(Cheng)。(?)
附(Fu)加(Jia)工(Gong)能(Neng):(?)
继(Ji)电(Dian)器(Qi)1至(Zhi)4的(De)切(Qie)换(Huan)方(Fang)向(Xiang)可(Ke)以(Yi)调(Diao)节(Jie)((?)达(Da)到(Dao)切(Qie)换(Huan)点(Dian)是(Shi)常(Chang)开(Kai)或(Huo)常(Chang)闭(Bi)工(Gong)能(Neng))(?);(?)切(Qie)换(Huan)点(Dian)延(Yan)滞(Zhi)继(Ji)电(Dian)器(Qi)1至(Zhi)4可(Ke)在(Zai)0.0...900秒(Miao)之(Zhi)间(Jian)调(Diao)整(Zheng);(?)切(Qie)换(Huan)回(Hui)复(Fu)模(Mo)块(Kuai)((?)可(Ke)选(Xuan)择(Ze)切(Qie)换(Huan)回(Hui)复(Fu)点(Dian)或(Huo)者(Zhe)切(Qie)换(Huan)回(Hui)复(Fu)延(Yan)滞(Zhi))(?);(?)当(Dang)前(Qian)温(Wen)度(Du)显(Xian)示(Shi),(?)一(Yi)个(Ge)切(Qie)换(Huan)点(Dian)或(Huo)峰(Feng)值(Zhi);(?)显(Xian)示(Shi)范(Fan)围(Wei)的(De)单(Dan)位(Wei)确(Que)定(Ding),(?)用(Yong)℃(?)或(Huo)者(Zhe);(?)所(Suo)显(Xian)示(Shi)的(De)单(Dan)位(Wei)((?)℃(?)或(Huo))(?);(?)模(Mo)拟(Ni)输(Shu)出(Chu)((?)4...20mA或(Huo)0...10V)(?);(?)功(Gong)能(Neng)锁(Suo)定(Ding)。(?)
ETS326-2-100-000贺(He)德(De)克(Ke)温(Wen)度(Du)传(Chuan)感(Gan)器(Qi)使(Shi)用(Yong)挑(Tiao)选(Xuan)
如(Ru)果(Guo)要(Yao)进(Jin)行(Xing)可(Ke)靠(Kao)的(De)温(Wen)度(Du)测(Ce)量(Liang),(?)首(Shou)先(Xian)就(Jiu)需(Xu)要(Yao)选(Xuan)择(Ze)正(Zheng)确(Que)的(De)温(Wen)度(Du)仪(Yi)表(Biao),(?)也(Ye)就(Jiu)是(Shi)温(Wen)度(Du)传(Chuan)感(Gan)器(Qi)。(?)其(Qi)中(Zhong)热(Re)电(Dian)偶(Ou)、(?)热(Re)敏(Min)电(Dian)阻(Zu)、(?)铂(Bo)电(Dian)阻(Zu)(RTD)和(He)温(Wen)度(Du)IC都(Du)是(Shi)测(Ce)试(Shi)中(Zhong)zui常(Chang)用(Yong)的(De)温(Wen)度(Du)传(Chuan)感(Gan)器(Qi)。(?)
以(Yi)下(Xia)是(Shi)对(Dui)热(Re)电(Dian)偶(Ou)和(He)热(Re)敏(Min)电(Dian)阻(Zu)两(Liang)种(Zhong)温(Wen)度(Du)仪(Yi)表(Biao)的(De)特(Te)点(Dian)介(Jie)绍(Shao)。(?)
1、(?)热(Re)电(Dian)偶(Ou)
热(Re)电(Dian)偶(Ou)是(Shi)温(Wen)度(Du)测(Ce)量(Liang)中(Zhong)zui常(Chang)用(Yong)的(De)温(Wen)度(Du)传(Chuan)感(Gan)器(Qi)。(?)其(Qi)主(Zhu)要(Yao)好(Hao)处(Chu)是(Shi)宽(Kuan)温(Wen)度(Du)范(Fan)围(Wei)和(He)适(Shi)应(Ying)各(Ge)种(Zhong)大(Da)气(Qi)环(Huan)境(Jing),(?)而(?)且(Qie)结(Jie)实(Shi)、(?)价(Jia)低(Di),(?)无(Wu)需(Xu)供(Gong)电(Dian),(?)也(Ye)是(Shi)zui便(Bian)宜(Yi)的(De)。(?)热(Re)电(Dian)偶(Ou)由(You)在(Zai)一(Yi)端(Duan)连(Lian)接(Jie)的(De)两(Liang)条(Tiao)不(Bu)同(Tong)金(Jin)属(Shu)线(Xian)(金(Jin)属(Shu)A和(He)金(Jin)属(Shu)B)构(Gou)成(Cheng),(?)当(Dang)热(Re)电(Dian)偶(Ou)一(Yi)端(Duan)受(Shou)热(Re)时(Shi),(?)热(Re)电(Dian)偶(Ou)电(Dian)路(Lu)中(Zhong)就(Jiu)有(You)电(Dian)势(Shi)差(Cha)。(?)可(Ke)用(Yong)测(Ce)量(Liang)的(De)电(Dian)势(Shi)差(Cha)来(Lai)计(Ji)算(Suan)温(Wen)度(Du)。(?)
不(Bu)过(Guo),(?)电(Dian)压(Ya)和(He)温(Wen)度(Du)间(Jian)是(Shi)非(Fei)线(Xian)性(Xing)关(Guan)系(Xi),(?)温(Wen)度(Du)由(You)于(Yu)电(Dian)压(Ya)和(He)温(Wen)度(Du)是(Shi)非(Fei)线(Xian)性(Xing)关(Guan)系(Xi),(?)因(Yin)此(Ci)需(Xu)要(Yao)为(Wei)参(Can)考(Kao)温(Wen)度(Du)(Tref)作(Zuo)第(Di)二(?)次(Ci)测(Ce)量(Liang),(?)并(Bing)利(Li)用(Yong)测(Ce)试(Shi)设(She)备(Bei)软(Ruan)件(Jian)或(Huo)硬(Ying)件(Jian)在(Zai)仪(Yi)器(Qi)内(Nei)部(Bu)处(Chu)理(Li)电(Dian)压(Ya)-温(Wen)度(Du)变(Bian)换(Huan),(?)以(Yi)zui终(Zhong)获(Huo)得(De)热(Re)偶(Ou)温(Wen)度(Du)(Tx)。(?)Agilent34970A和(He)34980A数(Shu)据(Ju)采(Cai)集(Ji)器(Qi)均(Jun)有(You)内(Nei)置(Zhi)的(De)测(Ce)量(Liang)了(Liao)运(Yun)算(Suan)能(Neng)力(Li)。(?)
简(Jian)而(?)言(Yan)之(Zhi),(?)热(Re)电(Dian)偶(Ou)是(Shi)zui简(Jian)单(Dan)和(He)zui通(Tong)用(Yong)的(De)温(Wen)度(Du)传(Chuan)感(Gan)器(Qi),(?)但(Dan)热(Re)电(Dian)偶(Ou)并(Bing)不(Bu)适(Shi)合(He)高(Gao)精(Jing)度(Du)的(De)的(De)测(Ce)量(Liang)和(He)应(Ying)用(Yong)。(?)
2、(?)热(Re)敏(Min)电(Dian)阻(Zu)
热(Re)敏(Min)电(Dian)阻(Zu)是(Shi)用(Yong)半(Ban)导(Dao)体(Ti)材(Cai)料(Liao),(?) 大(Da)多(Duo)为(Wei)负(Fu)温(Wen)度(Du)系(Xi)数(Shu),(?)即(Ji)阻(Zu)值(Zhi)随(Sui)温(Wen)度(Du)增(Zeng)加(Jia)而(?)降(Jiang)低(Di)。(?)温(Wen)度(Du)变(Bian)化(Hua)会(Hui)造(Zao)成(Cheng)大(Da)的(De)阻(Zu)值(Zhi)改(Gai)变(Bian),(?)因(Yin)此(Ci)它(Ta)是(Shi)zui灵(Ling)敏(Min)的(De)温(Wen)度(Du)传(Chuan)感(Gan)器(Qi)。(?)但(Dan)热(Re)敏(Min)电(Dian)阻(Zu)的(De)线(Xian)性(Xing)度(Du)极(Ji)差(Cha),(?)并(Bing)且(Qie)与(Yu)生(Sheng)产(Chan)工(Gong)艺(Yi)有(You)很(Hen)大(Da)关(Guan)系(Xi)。(?)制(Zhi)造(Zao)商(Shang)给(Gei)不(Bu)出(Chu)标(Biao)准(Zhun)化(Hua)的(De)热(Re)敏(Min)电(Dian)阻(Zu)曲(Qu)线(Xian)。(?)
热(Re)敏(Min)电(Dian)阻(Zu)体(Ti)积(Ji)非(Fei)常(Chang)小(Xiao),(?)对(Dui)温(Wen)度(Du)变(Bian)化(Hua)的(De)响(Xiang)应(Ying)也(Ye)快(Kuai)。(?)但(Dan)热(Re)敏(Min)电(Dian)阻(Zu)需(Xu)要(Yao)使(Shi)用(Yong)电(Dian)流(Liu)源(Yuan),(?)小(Xiao)尺(Chi)寸(Cun)也(Ye)使(Shi)它(Ta)对(Dui)自(Zi)热(Re)误(Wu)差(Cha)极(Ji)为(Wei)敏(Min)感(Gan)。(?)
热(Re)敏(Min)电(Dian)阻(Zu)在(Zai)两(Liang)条(Tiao)线(Xian)上(Shang)测(Ce)量(Liang)的(De)是(Shi)温(Wen)度(Du),(?) 有(You)较(Jiao)好(Hao)的(De)精(Jing)度(Du),(?)但(Dan)它(Ta)比(Bi)热(Re)偶(Ou)贵(Gui),(?) 可(Ke)测(Ce)温(Wen)度(Du)范(Fan)围(Wei)也(Ye)小(Xiao)于(Yu)热(Re)偶(Ou)。(?)一(Yi)种(Zhong)常(Chang)用(Yong)热(Re)敏(Min)电(Dian)阻(Zu)在(Zai)25℃(?)时(Shi)的(De)阻(Zu)值(Zhi)为(Wei)5kΩ,(?)每(Mei)1℃(?)的(De)温(Wen)度(Du)改(Gai)变(Bian)造(Zao)成(Cheng)200Ω的(De)电(Dian)阻(Zu)变(Bian)化(Hua)。(?)注(Zhu)意(Yi)10Ω的(De)引(Yin)线(Xian)电(Dian)阻(Zu)仅(Jin)造(Zao)成(Cheng)可(Ke)忽(Hu)略(Lue)的(De) 0.05℃(?)误(Wu)差(Cha)。(?)它(Ta)非(Fei)常(Chang)适(Shi)合(He)需(Xu)要(Yao)进(Jin)行(Xing)快(Kuai)速(Su)和(He)灵(Ling)敏(Min)温(Wen)度(Du)测(Ce)量(Liang)的(De)电(Dian)流(Liu)控(Kong)制(Zhi)应(Ying)用(Yong)。(?)尺(Chi)寸(Cun)小(Xiao)对(Dui)于(Yu)有(You)空(Kong)间(Jian)要(Yao)求(Qiu)的(De)应(Ying)用(Yong)是(Shi)有(You)利(Li)的(De),(?)但(Dan)必(Bi)须(Xu)注(Zhu)意(Yi)防(Fang)止(Zhi)自(Zi)热(Re)误(Wu)差(Cha)。(?)
热(Re)敏(Min)电(Dian)阻(Zu)还(Huan)有(You)其(Qi)自(Zi)身(Shen)的(De)测(Ce)量(Liang)技(Ji)巧(Qiao)。(?)热(Re)敏(Min)电(Dian)阻(Zu)体(Ti)积(Ji)小(Xiao)是(Shi)优(You)点(Dian),(?)它(Ta)能(Neng)很(Hen)快(Kuai)稳(Wen)定(Ding),(?)不(Bu)会(Hui)造(Zao)成(Cheng)热(Re)负(Fu)载(Zai)。(?)不(Bu)过(Guo)也(Ye)因(Yin)此(Ci)很(Hen)不(Bu)结(Jie)实(Shi),(?)大(Da)电(Dian)流(Liu)会(Hui)造(Zao)成(Cheng)自(Zi)热(Re)。(?)由(You)于(Yu)热(Re)敏(Min)电(Dian)阻(Zu)是(Shi)一(Yi)种(Zhong)电(Dian)阻(Zu)性(Xing)器(Qi)件(Jian),(?)任(Ren)何(He)电(Dian)流(Liu)源(Yuan)都(Du)会(Hui)在(Zai)其(Qi)上(Shang)因(Yin)功(Gong)率(Lu)而(?)造(Zao)成(Cheng)发(Fa)热(Re)。(?)功(Gong)率(Lu)等(Deng)于(Yu)电(Dian)流(Liu)平(Ping)方(Fang)与(Yu)电(Dian)阻(Zu)的(De)积(Ji)。(?)因(Yin)此(Ci)要(Yao)使(Shi)用(Yong)小(Xiao)的(De)电(Dian)流(Liu)源(Yuan)。(?)如(Ru)果(Guo)热(Re)敏(Min)电(Dian)阻(Zu)暴(Bao)露(Lu)在(Zai)高(Gao)热(Re)中(Zhong),(?)将(Jiang)导(Dao)致(Zhi)*性(Xing)的(De)损(Sun)坏(Huai)。(?)
温(Wen)度(Du)传(Chuan)感(Gan)器(Qi)在(Zai)安(An)装(Zhuang)和(He)使(Shi)用(Yong)时(Shi),(?)应(Ying)当(Dang)注(Zhu)意(Yi)以(Yi)下(Xia)事(Shi)项(Xiang)方(Fang)可(Ke)保(Bao)证(Zheng)*测(Ce)量(Liang)效(Xiao)果(Guo):(?)
1、(?)安(An)装(Zhuang)不(Bu)当(Dang)引(Yin)入(Ru)的(De)误(Wu)差(Cha)
如(Ru)热(Re)电(Dian)偶(Ou)安(An)装(Zhuang)的(De)位(Wei)置(Zhi)及(Ji)插(Cha)入(Ru)深(Shen)度(Du)不(Bu)能(Neng)反(Fan)映(Ying)炉(Lu)膛(Tang)的(De)真(Zhen)实(Shi)温(Wen)度(Du)等(Deng),(?)换(Huan)句(Ju)话(Hua)说(Shuo),(?)热(Re)电(Dian)偶(Ou)不(Bu)应(Ying)装(Zhuang)在(Zai)太(Tai)靠(Kao)近(Jin)门(Men)和(He)加(Jia)热(Re)的(De)地(Di)方(Fang),(?)插(Cha)入(Ru)的(De)深(Shen)度(Du)至(Zhi)少(Shao)应(Ying)为(Wei)保(Bao)护(Hu)管(Guan)直(Zhi)径(Jing)的(De)8~(?)10倍(Bei);热(Re)电(Dian)偶(Ou)的(De)保(Bao)护(Hu)套(Tao)管(Guan)与(Yu)壁(Bi)间(Jian)的(De)间(Jian)隔(Ge)未(Wei)填(Tian)绝(Jue)热(Re)物(Wu)质(Zhi)致(Zhi)使(Shi)炉(Lu)内(Nei)热(Re)溢(Yi)出(Chu)或(Huo)冷(Leng)空(Kong)气(Qi)侵(Qin)入(Ru),(?)因(Yin)此(Ci)热(Re)电(Dian)偶(Ou)保(Bao)护(Hu)管(Guan)和(He)炉(Lu)壁(Bi)孔(Kong)之(Zhi)间(Jian)的(De)空(Kong)隙(Xi)应(Ying)用(Yong)耐(Nai)火(Huo)泥(Ni)或(Huo)石(Shi)棉(Mian)绳(Sheng)等(Deng)绝(Jue)热(Re)物(Wu)质(Zhi)堵(Du)塞(Sai)以(Yi)免(Mian)冷(Leng)热(Re)空(Kong)气(Qi)对(Dui)流(Liu)而(?)影(Ying)响(Xiang)测(Ce)温(Wen)的(De)准(Zhun)确(Que)性(Xing);热(Re)电(Dian)偶(Ou)冷(Leng)端(Duan)太(Tai)靠(Kao)近(Jin)炉(Lu)体(Ti)使(Shi)温(Wen)度(Du)超(Chao)过(Guo)100℃(?);热(Re)电(Dian)偶(Ou)的(De)安(An)装(Zhuang)应(Ying)尽(Jin)可(Ke)能(Neng)避(Bi)开(Kai)强(Qiang)磁(Ci)场(Chang)和(He)强(Qiang)电(Dian)场(Chang),(?)所(Suo)以(Yi)不(Bu)应(Ying)把(Ba)热(Re)电(Dian)偶(Ou)和(He)动(Dong)力(Li)电(Dian)缆(Lan)线(Xian)装(Zhuang)在(Zai)同(Tong)一(Yi)根(Gen)导(Dao)管(Guan)内(Nei)以(Yi)免(Mian)引(Yin)入(Ru)干(Gan)扰(Rao)造(Zao)成(Cheng)误(Wu)差(Cha);(?)热(Re)电(Dian)偶(Ou)不(Bu)能(Neng)安(An)装(Zhuang)在(Zai)被(Bei)测(Ce)介(Jie)质(Zhi)很(Hen)少(Shao)流(Liu)动(Dong)的(De)区(Qu)域(Yu)内(Nei),(?)当(Dang)用(Yong)热(Re)电(Dian)偶(Ou)测(Ce)量(Liang)管(Guan)内(Nei)气(Qi)体(Ti)温(Wen)度(Du)时(Shi),(?)必(Bi)须(Xu)使(Shi)热(Re)电(Dian)偶(Ou)逆(Ni)着(Zhuo)流(Liu)速(Su)方(Fang)向(Xiang)安(An)装(Zhuang),(?)而(?)且(Qie)充(Chong)分(Fen)与(Yu)气(Qi)体(Ti)接(Jie)触(Chu)。(?)
2、(?)绝(Jue)缘(Yuan)变(Bian)差(Cha)而(?)引(Yin)入(Ru)的(De)误(Wu)差(Cha)
如(Ru)热(Re)电(Dian)偶(Ou)绝(Jue)缘(Yuan)了(Liao),(?)保(Bao)护(Hu)管(Guan)和(He)拉(La)线(Xian)板(Ban)污(Wu)垢(Gou)或(Huo)盐(Yan)渣(Zha)过(Guo)多(Duo)致(Zhi)使(Shi)热(Re)电(Dian)偶(Ou)极(Ji)间(Jian)与(Yu)炉(Lu)壁(Bi)间(Jian)绝(Jue)缘(Yuan)不(Bu)良(Liang),(?)在(Zai)高(Gao)温(Wen)下(Xia)更(Geng)为(Wei)严(Yan)重(Zhong),(?)这(Zhe)不(Bu)仅(Jin)会(Hui)引(Yin)起(Qi)热(Re)电(Dian)势(Shi)的(De)损(Sun)耗(Hao)而(?)且(Qie)还(Huan)会(Hui)引(Yin)入(Ru)干(Gan)扰(Rao),(?)由(You)此(Ci)引(Yin)起(Qi)的(De)误(Wu)差(Cha)有(You)时(Shi)可(Ke)达(Da)上(Shang)百(Bai)度(Du)。(?)
3、(?)热(Re)惰(Duo)性(Xing)引(Yin)入(Ru)的(De)误(Wu)差(Cha)
由(You)于(Yu)热(Re)电(Dian)偶(Ou)的(De)热(Re)惰(Duo)性(Xing)使(Shi)仪(Yi)表(Biao)的(De)指(Zhi)示(Shi)值(Zhi)落(Luo)后(Hou)于(Yu)被(Bei)测(Ce)温(Wen)度(Du)的(De)变(Bian)化(Hua),(?)在(Zai)进(Jin)行(Xing)快(Kuai)速(Su)测(Ce)量(Liang)时(Shi)这(Zhe)种(Zhong)影(Ying)响(Xiang)尤(You)为(Wei)突(Tu)出(Chu)。(?)所(Suo)以(Yi)应(Ying)尽(Jin)可(Ke)能(Neng)采(Cai)用(Yong)热(Re)电(Dian)极(Ji)较(Jiao)细(Xi)、(?)保(Bao)护(Hu)管(Guan)直(Zhi)径(Jing)较(Jiao)小(Xiao)的(De)热(Re)电(Dian)偶(Ou)。(?)测(Ce)温(Wen)环(Huan)境(Jing)许(Xu)可(Ke)时(Shi),(?)甚(Shen)至(Zhi)可(Ke)将(Jiang)保(Bao)护(Hu)管(Guan)取(Qu)去(Qu)。(?)由(You)于(Yu)存(Cun)在(Zai)测(Ce)量(Liang)滞(Zhi)后(Hou),(?)用(Yong)热(Re)电(Dian)偶(Ou)检(Jian)测(Ce)出(Chu)的(De)温(Wen)度(Du)波(Bo)动(Dong)的(De)振(Zhen)幅(Fu)较(Jiao)炉(Lu)温(Wen)波(Bo)动(Dong)的(De)振(Zhen)幅(Fu)小(Xiao)。(?)测(Ce)量(Liang)滞(Zhi)后(Hou)越(Yue)大(Da),(?)热(Re)电(Dian)偶(Ou)波(Bo)动(Dong)的(De)振(Zhen)幅(Fu)就(Jiu)越(Yue)小(Xiao),(?)与(Yu)实(Shi)际(Ji)炉(Lu)温(Wen)的(De)差(Cha)别(Bie)也(Ye)就(Jiu)越(Yue)大(Da)。(?)当(Dang)用(Yong)时(Shi)间(Jian)常(Chang)数(Shu)大(Da)的(De)热(Re)电(Dian)偶(Ou)测(Ce)温(Wen)或(Huo)控(Kong)温(Wen)时(Shi),(?)仪(Yi)表(Biao)显(Xian)示(Shi)的(De)温(Wen)度(Du)虽(Sui)然(Ran)波(Bo)动(Dong)很(Hen)小(Xiao),(?)但(Dan)实(Shi)际(Ji)炉(Lu)温(Wen)的(De)波(Bo)动(Dong)可(Ke)能(Neng)很(Hen)大(Da)。(?)为(Wei)了(Liao)准(Zhun)确(Que)的(De)测(Ce)量(Liang)温(Wen)度(Du),(?)应(Ying)当(Dang)选(Xuan)择(Ze)时(Shi)间(Jian)常(Chang)数(Shu)小(Xiao)的(De)热(Re)电(Dian)偶(Ou)。(?)时(Shi)间(Jian)常(Chang)数(Shu)与(Yu)传(Chuan)热(Re)系(Xi)数(Shu)成(Cheng)反(Fan)比(Bi),(?)与(Yu)热(Re)电(Dian)偶(Ou)热(Re)端(Duan)的(De)直(Zhi)径(Jing)、(?)材(Cai)料(Liao)的(De)密(Mi)度(Du)及(Ji)比(Bi)热(Re)成(Cheng)正(Zheng)比(Bi),(?)如(Ru)要(Yao)减(Jian)小(Xiao)时(Shi)间(Jian)常(Chang)数(Shu),(?)除(Chu)增(Zeng)加(Jia)传(Chuan)热(Re)系(Xi)数(Shu)以(Yi)外(Wai),(?)zui有(You)效(Xiao)的(De)办(Ban)法(Fa)是(Shi)尽(Jin)量(Liang)减(Jian)小(Xiao)热(Re)端(Duan)的(De)尺(Chi)寸(Cun)。(?)使(Shi)用(Yong)中(Zhong),(?)通(Tong)常(Chang)采(Cai)用(Yong)导(Dao)热(Re)性(Xing)能(Neng)好(Hao)的(De)材(Cai)料(Liao),(?)管(Guan)壁(Bi)薄(Bao)、(?)内(Nei)径(Jing)小(Xiao)的(De)保(Bao)护(Hu)套(Tao)管(Guan)。(?)在(Zai)较(Jiao)精(Jing)密(Mi)的(De)温(Wen)度(Du)测(Ce)量(Liang)中(Zhong),(?)使(Shi)用(Yong)无(Wu)保(Bao)护(Hu)套(Tao)管(Guan)的(De)裸(Luo)丝(Si)热(Re)电(Dian)偶(Ou),(?)但(Dan)热(Re)电(Dian)偶(Ou)容(Rong)易(Yi)损(Sun)坏(Huai),(?)应(Ying)及(Ji)时(Shi)校(Xiao)正(Zheng)及(Ji)更(Geng)换(Huan)。(?)
4、(?)热(Re)阻(Zu)误(Wu)差(Cha)
高(Gao)温(Wen)时(Shi),(?)如(Ru)保(Bao)护(Hu)管(Guan)上(Shang)有(You)一(Yi)层(Ceng)煤(Mei)灰(Hui),(?)尘(Chen)埃(Ai)附(Fu)在(Zai)上(Shang)面(Mian),(?)则(Ze)热(Re)阻(Zu)增(Zeng)加(Jia),(?)阻(Zu)碍(Ai)热(Re)的(De)传(Chuan)导(Dao),(?)这(Zhe)时(Shi)温(Wen)度(Du)示(Shi)值(Zhi)比(Bi)被(Bei)测(Ce)温(Wen)度(Du)的(De)真(Zhen)值(Zhi)低(Di)。(?)因(Yin)此(Ci),(?)应(Ying)保(Bao)持(Chi)热(Re)电(Dian)偶(Ou)保(Bao)护(Hu)管(Guan)外(Wai)部(Bu)的(De)清(Qing)洁(Jie),(?)以(Yi)减(Jian)小(Xiao)误(Wu)差(Cha)。(?)
德(De)国(Guo)贺(He)德(De)克(Ke)* HYDAC温(Wen)度(Du)继(Ji)电(Dian)器(Qi)
 

在(Zai)线(Xian)留(Liu)言(Yan)

留(Liu)言(Yan)框(Kuang)

  • 产(Chan)品(Pin):(?)

  • 您(Nin)的(De)单(Dan)位(Wei):(?)

  • 您(Nin)的(De)姓(Xing)名(Ming):(?)

  • 联(Lian)系(Xi)电(Dian)话(Hua):(?)

  • 常(Chang)用(Yong)邮(You)箱(Xiang):(?)

  • 省(Sheng)份(Fen):(?)

  • 详(Xiang)细(Xi)地(Di)址(Zhi):(?)

  • 补(Bu)充(Chong)说(Shuo)明(Ming):(?)

  • 验(Yan)证(Zheng)码(Ma):(?)

    请(Qing)输(Shu)入(Ru)计(Ji)算(Suan)结(Jie)果(Guo)((?)填(Tian)写(Xie)阿(A)拉(La)伯(Bo)数(Shu)字(Zi))(?),(?)如(Ru):(?)三(San)加(Jia)四(Si)=7
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