分(Fen)享(Xiang)一(Yi)些(Xie)预(Yu)防(Fang)PT100变(Bian)送(Song)器(Qi)跳(Tiao)变(Bian)的(De)措(Cuo)施(Shi)
(?) (?)PT100变(Bian)送(Song)器(Qi)在(Zai)温(Wen)度(Du)测(Ce)量(Liang)领(Ling)域(Yu)应(Ying)用(Yong)广(Guang)泛(Fan),(?)但(Dan)跳(Tiao)变(Bian)问(Wen)题(Ti)可(Ke)能(Neng)会(Hui)影(Ying)响(Xiang)测(Ce)量(Liang)的(De)准(Zhun)确(Que)性(Xing)和(He)稳(Wen)定(Ding)性(Xing)。(?)以(Yi)下(Xia)是(Shi)一(Yi)些(Xie)有(You)效(Xiao)的(De)预(Yu)防(Fang)措(Cuo)施(Shi):(?)
(?) (?)
(?) (?)一(Yi)、(?)安(An)装(Zhuang)过(Guo)程(Cheng)的(De)注(Zhu)意(Yi)事(Shi)项(Xiang) (?) (?)
(?) (?)确(Que)保(Bao)PT100探(Tan)头(Tou)与(Yu)被(Bei)测(Ce)物(Wu)体(Ti)良(Liang)好(Hao)接(Jie)触(Chu)是(Shi)关(Guan)键(Jian)。(?)对(Dui)于(Yu)安(An)装(Zhuang)在(Zai)管(Guan)道(Dao)上(Shang)的(De)探(Tan)头(Tou),(?)要(Yao)根(Gen)据(Ju)管(Guan)道(Dao)尺(Chi)寸(Cun)确(Que)定(Ding)合(He)适(Shi)的(De)插(Cha)入(Ru)深(Shen)度(Du)。(?)一(Yi)般(Ban)来(Lai)说(Shuo),(?)插(Cha)入(Ru)深(Shen)度(Du)应(Ying)为(Wei)管(Guan)道(Dao)直(Zhi)径(Jing)的(De)三(San)分(Fen)之(Zhi)一(Yi)至(Zhi)二(?)分(Fen)之(Zhi)一(Yi)。(?)在(Zai)插(Cha)入(Ru)探(Tan)头(Tou)时(Shi),(?)要(Yao)保(Bao)证(Zheng)其(Qi)垂(Chui)直(Zhi)于(Yu)管(Guan)道(Dao)壁(Bi),(?)避(Bi)免(Mian)倾(Qing)斜(Xie)造(Zao)成(Cheng)与(Yu)流(Liu)体(Ti)接(Jie)触(Chu)不(Bu)良(Liang)。(?)若(Ruo)在(Zai)容(Rong)器(Qi)壁(Bi)安(An)装(Zhuang),(?)探(Tan)头(Tou)需(Xu)与(Yu)容(Rong)器(Qi)壁(Bi)紧(Jin)密(Mi)贴(Tie)合(He),(?)可(Ke)使(Shi)用(Yong)导(Dao)热(Re)硅(Gui)脂(Zhi)填(Tian)充(Chong)探(Tan)头(Tou)与(Yu)安(An)装(Zhuang)面(Mian)之(Zhi)间(Jian)的(De)微(Wei)小(Xiao)间(Jian)隙(Xi),(?)以(Yi)改(Gai)善(Shan)热(Re)传(Chuan)递(Di)效(Xiao)率(Lu),(?)减(Jian)少(Shao)因(Yin)接(Jie)触(Chu)不(Bu)良(Liang)引(Yin)起(Qi)的(De)温(Wen)度(Du)测(Ce)量(Liang)误(Wu)差(Cha)和(He)跳(Tiao)变(Bian)。(?)
(?) (?)对(Dui)于(Yu)需(Xu)要(Yao)长(Chang)期(Qi)固(Gu)定(Ding)的(De)探(Tan)头(Tou),(?)要(Yao)使(Shi)用(Yong)合(He)适(Shi)的(De)安(An)装(Zhuang)夹(Jia)具(Ju)或(Huo)密(Mi)封(Feng)装(Zhuang)置(Zhi)。(?)例(Li)如(Ru),(?)在(Zai)高(Gao)温(Wen)高(Gao)压(Ya)环(Huan)境(Jing)下(Xia),(?)可(Ke)选(Xuan)用(Yong)耐(Nai)高(Gao)温(Wen)、(?)高(Gao)压(Ya)的(De)密(Mi)封(Feng)垫(Dian)片(Pian)和(He)紧(Jin)固(Gu)螺(Luo)栓(Shuan),(?)防(Fang)止(Zhi)探(Tan)头(Tou)在(Zai)运(Yun)行(Xing)过(Guo)程(Cheng)中(Zhong)松(Song)动(Dong)或(Huo)位(Wei)移(Yi)。(?)同(Tong)时(Shi),(?)在(Zai)安(An)装(Zhuang)后(Hou)要(Yao)检(Jian)查(Cha)探(Tan)头(Tou)的(De)稳(Wen)定(Ding)性(Xing),(?)轻(Qing)轻(Qing)晃(Huang)动(Dong)探(Tan)头(Tou),(?)若(Ruo)有(You)明(Ming)显(Xian)松(Song)动(Dong),(?)需(Xu)重(Zhong)新(Xin)安(An)装(Zhuang)。(?)
(?) (?)布(Bu)线(Xian)时(Shi)要(Yao)充(Chong)分(Fen)考(Kao)虑(Lu)电(Dian)磁(Ci)环(Huan)境(Jing)对(Dui)PT100变(Bian)送(Song)器(Qi)的(De)影(Ying)响(Xiang)。(?)信(Xin)号(Hao)线(Xian)应(Ying)尽(Jin)量(Liang)远(Yuan)离(Li)大(Da)型(Xing)电(Dian)机(Ji)、(?)变(Bian)压(Ya)器(Qi)、(?)变(Bian)频(Pin)器(Qi)等(Deng)强(Qiang)电(Dian)磁(Ci)干(Gan)扰(Rao)源(Yuan)。(?)如(Ru)果(Guo)无(Wu)法(Fa)避(Bi)免(Mian)交(Jiao)叉(Cha),(?)应(Ying)使(Shi)信(Xin)号(Hao)线(Xian)与(Yu)电(Dian)源(Yuan)线(Xian)以(Yi)直(Zhi)角(Jiao)交(Jiao)叉(Cha),(?)减(Jian)少(Shao)电(Dian)磁(Ci)感(Gan)应(Ying)。(?)信(Xin)号(Hao)线(Xian)采(Cai)用(Yong)屏(Ping)蔽(Bi)电(Dian)缆(Lan),(?)并(Bing)且(Qie)屏(Ping)蔽(Bi)层(Ceng)要(Yao)单(Dan)端(Duan)接(Jie)地(Di),(?)通(Tong)常(Chang)在(Zai)控(Kong)制(Zhi)端(Duan)接(Jie)地(Di),(?)以(Yi)避(Bi)免(Mian)形(Xing)成(Cheng)地(Di)环(Huan)路(Lu)引(Yin)入(Ru)干(Gan)扰(Rao)。(?)在(Zai)铺(Pu)设(She)电(Dian)缆(Lan)时(Shi),(?)可(Ke)将(Jiang)其(Qi)放(Fang)置(Zhi)在(Zai)金(Jin)属(Shu)线(Xian)槽(Cao)或(Huo)线(Xian)管(Guan)内(Nei),(?)进(Jin)一(Yi)步(Bu)增(Zeng)强(Qiang)抗(Kang)干(Gan)扰(Rao)能(Neng)力(Li)。(?)对(Dui)于(Yu)长(Chang)距(Ju)离(Li)传(Chuan)输(Shu)的(De)信(Xin)号(Hao)线(Xian),(?)要(Yao)注(Zhu)意(Yi)信(Xin)号(Hao)衰(Shuai)减(Jian)问(Wen)题(Ti),(?)可(Ke)以(Yi)适(Shi)当(Dang)增(Zeng)加(Jia)信(Xin)号(Hao)放(Fang)大(Da)器(Qi)或(Huo)采(Cai)用(Yong)分(Fen)布(Bu)式(Shi)温(Wen)度(Du)采(Cai)集(Ji)系(Xi)统(Tong)来(Lai)保(Bao)证(Zheng)信(Xin)号(Hao)质(Zhi)量(Liang)。(?) (?) (?)
(?) (?)二(?)、(?)使(Shi)用(Yong)中(Zhong)的(De)维(Wei)护(Hu)要(Yao)点(Dian)
(?) (?)定(Ding)期(Qi)对(Dui)PT100变(Bian)送(Song)器(Qi)的(De)接(Jie)线(Xian)进(Jin)行(Xing)检(Jian)查(Cha),(?)包(Bao)括(Kuo)端(Duan)子(Zi)连(Lian)接(Jie)是(Shi)否(Fou)牢(Lao)固(Gu)、(?)导(Dao)线(Xian)有(You)无(Wu)破(Po)损(Sun)等(Deng)。(?)松(Song)动(Dong)的(De)接(Jie)线(Xian)端(Duan)子(Zi)会(Hui)增(Zeng)加(Jia)接(Jie)触(Chu)电(Dian)阻(Zu),(?)导(Dao)致(Zhi)测(Ce)量(Liang)信(Xin)号(Hao)不(Bu)稳(Wen)定(Ding)。(?)在(Zai)检(Jian)查(Cha)过(Guo)程(Cheng)中(Zhong),(?)可(Ke)使(Shi)用(Yong)合(He)适(Shi)的(De)工(Gong)具(Ju)轻(Qing)轻(Qing)拧(Ning)紧(Jin)接(Jie)线(Xian)端(Duan)子(Zi),(?)但(Dan)要(Yao)注(Zhu)意(Yi)避(Bi)免(Mian)用(Yong)力(Li)过(Guo)猛(Meng)损(Sun)坏(Huai)端(Duan)子(Zi)。(?)对(Dui)于(Yu)有(You)氧(Yang)化(Hua)迹(Ji)象(Xiang)的(De)接(Jie)线(Xian)端(Duan)子(Zi),(?)可(Ke)使(Shi)用(Yong)细(Xi)砂(Sha)纸(Zhi)轻(Qing)轻(Qing)打(Da)磨(Mo),(?)去(Qu)除(Chu)氧(Yang)化(Hua)层(Ceng)后(Hou)重(Zhong)新(Xin)连(Lian)接(Jie)。(?)同(Tong)时(Shi),(?)检(Jian)查(Cha)导(Dao)线(Xian)的(De)绝(Jue)缘(Yuan)层(Ceng)是(Shi)否(Fou)完(Wan)好(Hao),(?)若(Ruo)发(Fa)现(Xian)破(Po)损(Sun),(?)应(Ying)及(Ji)时(Shi)更(Geng)换(Huan)导(Dao)线(Xian),(?)防(Fang)止(Zhi)因(Yin)漏(Lou)电(Dian)或(Huo)短(Duan)路(Lu)引(Yin)起(Qi)信(Xin)号(Hao)跳(Tiao)变(Bian)。(?)
(?) (?)尽(Jin)量(Liang)保(Bao)持(Chi)PT100变(Bian)送(Song)器(Qi)周(Zhou)围(Wei)环(Huan)境(Jing)温(Wen)度(Du)和(He)湿(Shi)度(Du)的(De)相(Xiang)对(Dui)稳(Wen)定(Ding)。(?)虽(Sui)然(Ran)PT100本(Ben)身(Shen)具(Ju)有(You)一(Yi)定(Ding)的(De)温(Wen)度(Du)补(Bu)偿(Chang)能(Neng)力(Li),(?)但(Dan)剧(Ju)烈(Lie)的(De)环(Huan)境(Jing)温(Wen)度(Du)变(Bian)化(Hua)仍(Reng)可(Ke)能(Neng)影(Ying)响(Xiang)其(Qi)测(Ce)量(Liang)精(Jing)度(Du)和(He)稳(Wen)定(Ding)性(Xing)。(?)对(Dui)于(Yu)安(An)装(Zhuang)在(Zai)室(Shi)外(Wai)或(Huo)温(Wen)度(Du)变(Bian)化(Hua)较(Jiao)大(Da)区(Qu)域(Yu)的(De)变(Bian)送(Song)器(Qi),(?)可(Ke)以(Yi)采(Cai)取(Qu)保(Bao)温(Wen)、(?)隔(Ge)热(Re)措(Cuo)施(Shi),(?)如(Ru)安(An)装(Zhuang)保(Bao)温(Wen)罩(Zhao)或(Huo)遮(Zhe)阳(Yang)板(Ban)。(?)此(Ci)外(Wai),(?)要(Yao)避(Bi)免(Mian)变(Bian)送(Song)器(Qi)直(Zhi)接(Jie)暴(Bao)露(Lu)在(Zai)潮(Chao)湿(Shi)、(?)腐(Fu)蚀(Shi)性(Xing)环(Huan)境(Jing)中(Zhong),(?)如(Ru)果(Guo)无(Wu)法(Fa)避(Bi)免(Mian),(?)应(Ying)选(Xuan)用(Yong)防(Fang)护(Hu)等(Deng)级(Ji)高(Gao)、(?)具(Ju)有(You)防(Fang)腐(Fu)性(Xing)能(Neng)的(De)变(Bian)送(Song)器(Qi),(?)并(Bing)定(Ding)期(Qi)清(Qing)洁(Jie)变(Bian)送(Song)器(Qi)表(Biao)面(Mian),(?)防(Fang)止(Zhi)腐(Fu)蚀(Shi)物(Wu)质(Zhi)损(Sun)坏(Huai)传(Chuan)感(Gan)器(Qi)元(Yuan)件(Jian)。(?)
(?) (?)
(?) (?)三(San)、(?)校(Xiao)准(Zhun)与(Yu)检(Jian)测(Ce)
(?) (?)建(Jian)立(Li)定(Ding)期(Qi)校(Xiao)准(Zhun)制(Zhi)度(Du),(?)根(Gen)据(Ju)使(Shi)用(Yong)频(Pin)率(Lu)和(He)环(Huan)境(Jing)条(Tiao)件(Jian),(?)每(Mei)隔(Ge)一(Yi)定(Ding)时(Shi)间(Jian)((?)如(Ru)半(Ban)年(Nian)或(Huo)一(Yi)年(Nian))(?)对(Dui)PT100变(Bian)送(Song)器(Qi)进(Jin)行(Xing)校(Xiao)准(Zhun)。(?)校(Xiao)准(Zhun)应(Ying)使(Shi)用(Yong)精(Jing)度(Du)更(Geng)高(Gao)的(De)标(Biao)准(Zhun)温(Wen)度(Du)计(Ji)或(Huo)校(Xiao)准(Zhun)设(She)备(Bei),(?)在(Zai)不(Bu)同(Tong)温(Wen)度(Du)点(Dian)下(Xia)对(Dui)比(Bi)PT100变(Bian)送(Song)器(Qi)的(De)测(Ce)量(Liang)值(Zhi)和(He)标(Biao)准(Zhun)值(Zhi),(?)并(Bing)对(Dui)变(Bian)送(Song)器(Qi)的(De)参(Can)数(Shu)进(Jin)行(Xing)调(Diao)整(Zheng),(?)确(Que)保(Bao)其(Qi)测(Ce)量(Liang)误(Wu)差(Cha)在(Zai)允(Yun)许(Xu)范(Fan)围(Wei)内(Nei)。(?)在(Zai)校(Xiao)准(Zhun)过(Guo)程(Cheng)中(Zhong),(?)要(Yao)详(Xiang)细(Xi)记(Ji)录(Lu)校(Xiao)准(Zhun)数(Shu)据(Ju),(?)以(Yi)便(Bian)分(Fen)析(Xi)变(Bian)送(Song)器(Qi)的(De)性(Xing)能(Neng)变(Bian)化(Hua)趋(Qu)势(Shi),(?)及(Ji)时(Shi)发(Fa)现(Xian)潜(Qian)在(Zai)问(Wen)题(Ti)。(?)
(?) (?)对(Dui)于(Yu)关(Guan)键(Jian)应(Ying)用(Yong)场(Chang)景(Jing)中(Zhong)的(De)PT100变(Bian)送(Song)器(Qi),(?)可(Ke)以(Yi)安(An)装(Zhuang)实(Shi)时(Shi)监(Jian)测(Ce)系(Xi)统(Tong),(?)连(Lian)续(Xu)采(Cai)集(Ji)和(He)分(Fen)析(Xi)变(Bian)送(Song)器(Qi)的(De)输(Shu)出(Chu)信(Xin)号(Hao)。(?)通(Tong)过(Guo)设(She)置(Zhi)合(He)理(Li)的(De)阈(Yu)值(Zhi),(?)当(Dang)测(Ce)量(Liang)值(Zhi)出(Chu)现(Xian)异(Yi)常(Chang)波(Bo)动(Dong)或(Huo)跳(Tiao)变(Bian)时(Shi),(?)系(Xi)统(Tong)能(Neng)够(Gou)及(Ji)时(Shi)发(Fa)出(Chu)警(Jing)报(Bao),(?)提(Ti)示(Shi)维(Wei)护(Hu)人(Ren)员(Yuan)进(Jin)行(Xing)检(Jian)查(Cha)和(He)处(Chu)理(Li)。(?)此(Ci)外(Wai),(?)可(Ke)利(Li)用(Yong)数(Shu)据(Ju)分(Fen)析(Xi)技(Ji)术(Shu),(?)对(Dui)变(Bian)送(Song)器(Qi)的(De)历(Li)史(Shi)数(Shu)据(Ju)进(Jin)行(Xing)趋(Qu)势(Shi)分(Fen)析(Xi),(?)预(Yu)测(Ce)可(Ke)能(Neng)出(Chu)现(Xian)的(De)故(Gu)障(Zhang),(?)提(Ti)前(Qian)采(Cai)取(Qu)预(Yu)防(Fang)措(Cuo)施(Shi),(?)如(Ru)提(Ti)前(Qian)校(Xiao)准(Zhun)或(Huo)更(Geng)换(Huan)老(Lao)化(Hua)的(De)部(Bu)件(Jian)。(?)
(?) (?)
(?) (?)通(Tong)过(Guo)以(Yi)上(Shang)从(Cong)安(An)装(Zhuang)、(?)使(Shi)用(Yong)到(Dao)校(Xiao)准(Zhun)等(Deng)多(Duo)方(Fang)面(Mian)的(De)预(Yu)防(Fang)措(Cuo)施(Shi),(?)可(Ke)以(Yi)有(You)效(Xiao)降(Jiang)低(Di)PT100变(Bian)送(Song)器(Qi)跳(Tiao)变(Bian)的(De)概(Gai)率(Lu),(?)确(Que)保(Bao)温(Wen)度(Du)测(Ce)量(Liang)的(De)准(Zhun)确(Que)性(Xing)和(He)稳(Wen)定(Ding)性(Xing),(?)保(Bao)障(Zhang)相(Xiang)关(Guan)系(Xi)统(Tong)的(De)可(Ke)靠(Kao)运(Yun)行(Xing)。(?)