压(Ya)力(Li)变(Bian)送(Song)器(Qi)如(Ru)何(He)校(Xiao)准(Zhun)

    压(Ya)力(Li)变(Bian)送(Song)器(Qi)如(Ru)何(He)校(Xiao)准(Zhun)

1.  输(Shu)入(Ru)下(Xia)限(Xian)压(Ya)力(Li)信(Xin)号(Hao)时(Shi)，(?)调(Diao)整(Zheng)变(Bian)送(Song)器(Qi)输(Shu)出(Chu)电(Dian)流(Liu)(调(Diao)零(Ling))为(Wei)物(Wu)理(Li)零(Ling)位(Wei);加(Jia)压(Ya)至(Zhi)上(Shang)限(Xian)压(Ya)力(Li)信(Xin)号(Hao)值(Zhi)时(Shi)，(?)调(Diao)整(Zheng)输(Shu)出(Chu)电(Dian)流(Liu)(量(Liang)程(Cheng))为(Wei)满(Man)量(Liang)程(Cheng)，(?)反(Fan)复(Fu)调(Diao)整(Zheng)直(Zhi)至(Zhi)二(?)者(Zhe)都(Du)达(Da)到(Dao)要(Yao)求(Qiu);根(Gen)据(Ju)运(Yun)行(Xing)要(Yao)求(Qiu)进(Jin)行(Xing)零(Ling)点(Dian)的(De)正(Zheng)或(Huo)负(Fu)迁(Qian)移(Yi);智(Zhi)能(Neng)变(Bian)送(Song)器(Qi)初(Chu)次(Ci)校(Xiao)准(Zhun)时(Shi)，(?)应(Ying)施(Shi)加(Jia)被(Bei)测(Ce)物(Wu)理(Li)量(Liang)进(Jin)行(Xing)校(Xiao)准(Zhun)，(?)以(Yi)后(Hou)校(Xiao)准(Zhun)可(Ke)以(Yi)通(Tong)过(Guo)手(Shou)操(Cao)器(Qi)进(Jin)行(Xing)校(Xiao)准(Zhun)。(?)传(Chuan)感(Gan)器(Qi)认(Ren)为(Wei)的(De)0kpa，(?)而(?)零(Ling)点(Dian)迁(Qian)移(Yi)是(Shi)指(Zhi)在(Zai)传(Chuan)感(Gan)器(Qi)测(Ce)量(Liang)正(Zheng)确(Que)的(De)前(Qian)提(Ti)下(Xia)，(?)对(Dui)4MA 和(He)20MA 电(Dian)流(Liu)进(Jin)行(Xing)设(She)置(Zhi)，(?)使(Shi)之(Zhi)分(Fen)别(Bie)对(Dui)应(Ying)两(Liang)个(Ge)压(Ya)力(Li)测(Ce)量(Liang)值(Zhi)。(?)

　(?)　(?)2.首(Shou)先(Xian)弄(Nong)清(Qing)楚(Chu)变(Bian)送(Song)器(Qi)的(De)厂(Chang)家(Jia)及(Ji)型(Xing)号(Hao)，(?)不(Bu)同(Tong)厂(Chang)家(Jia)调(Diao)校(Xiao)不(Bu)同(Tong)。(?)例(Li)如(Ru)3051.将(Jiang)电(Dian)源(Yuan)正(Zheng)负(Fu)极(Ji)对(Dui)应(Ying)接(Jie)好(Hao)。(?)PWR 接(Jie)正(Zheng)极(Ji)。(?)-接(Jie)电(Dian)源(Yuan)负(Fu)极(Ji)。(?)零(Ling)点(Dian)调(Diao)校(Xiao)是(Shi)指(Zhi)输(Shu)入(Ru)压(Ya)力(Li)为(Wei) 0 千(Qian)帕(Pa)时(Shi)，(?)变(Bian)送(Song)器(Qi)检(Jian)测(Ce)出(Chu)的(De)过(Guo)程(Cheng)值(Zhi) PRESS (即(Ji)测(Ce)量(Liang)值(Zhi))也(Ye)应(Ying)为(Wei)0KPA，(?)但(Dan)LRV 测(Ce)量(Liang)下(Xia)限(Xian)是(Shi)指(Zhi)4MA 时(Shi)所(Suo)对(Dui)应(Ying)的(De)压(Ya)力(Li)值(Zhi)。(?)这(Zhe)两(Liang)个(Ge)不(Bu)是(Shi)一(Yi)样(Yang)的(De)。(?)

　(?)　(?)3.变(Bian)送(Song)器(Qi)打(Da)压(Ya)下(Xia)限(Xian)，(?)利(Li)用(Yong)变(Bian)送(Song)器(Qi)上(Shang)铭(Ming)牌(Pai)上(Shang)的(De)按(An)钮(Niu)按(An)两(Liang)秒(Miao)设(She)定(Ding)，(?)将(Jiang)压(Ya)力(Li)打(Da)到(Dao)压(Ya)力(Li)上(Shang)限(Xian)，(?)按(An)满(Man)量(Liang)程(Cheng)按(An)钮(Niu)调(Diao)满(Man)点(Dian)，(?)测(Ce)试(Shi)各(Ge)点(Dian)误(Wu)差(Cha)，(?)重(Zhong)复(Fu)调(Diao)节(Jie)两(Liang)个(Ge)点(Dian)直(Zhi)到(Dao)满(Man)足(Zu)精(Jing)度(Du)要(Yao)求(Qiu)。(?)是(Shi)Ⅱ(?)型(Xing)的(De)四(Si)线(Xian)制(Zhi)(两(Liang)根(Gen)电(Dian)源(Yuan)220V，(?)两(Liang)根(Gen)信(Xin)号(Hao)0--10mA);是(Shi)两(Liang)线(Xian)制(Zhi)智(Zhi)能(Neng)变(Bian)送(Song)器(Qi)，(?)两(Liang)根(Gen)导(Dao)线(Xian)既(Ji)是(Shi)电(Dian)源(Yuan)(24V)线(Xian)又(You)是(Shi)信(Xin)号(Hao)(4--20mA)线(Xian)，(?)把(Ba)相(Xiang)应(Ying)量(Liang)程(Cheng)的(De)电(Dian)流(Liu)表(Biao)串(Chuan)入(Ru)信(Xin)号(Hao)回(Hui)路(Lu)中(Zhong)，(?)注(Zhu)意(Yi)极(Ji)性(Xing)别(Bie)接(Jie)反(Fan)了(Liao)。(?)    

        本(Ben)产(Chan)品(Pin)所(Suo)有(You)参(Can)数(Shu)以(Yi)及(Ji)数(Shu)据(Ju)来(Lai)源(Yuan)，(?)皆(Jie)由(You)本(Ben)公(Gong)司(Si)多(Duo)年(Nian)来(Lai)经(Jing)验(Yan)并(Bing)反(Fan)复(Fu)测(Ce)试(Shi)所(Suo)得(De)出(Chu)结(Jie)果(Guo)，(?)可(Ke)供(Gong)消(Xiao)费(Fei)者(Zhe)参(Can)考(Kao)，(?)如(Ru)有(You)疑(Yi)问(Wen)，(?)请(Qing)与(Yu)本(Ben)公(Gong)司(Si)联(Lian)系(Xi)。(?)如(Ru)涉(She)及(Ji)作(Zuo)品(Pin)内(Nei)容(Rong)、(?)版(Ban)权(Quan)等(Deng)问(Wen)题(Ti)，(?)请(Qing)在(Zai)作(Zuo)品(Pin)发(Fa)表(Biao)之(Zhi)日(Ri)起(Qi)一(Yi)周(Zhou)内(Nei)与(Yu)本(Ben)网(Wang)联(Lian)系(Xi)，(?)否(Fou)则(Ze)视(Shi)为(Wei)放(Fang)弃(Qi)相(Xiang)关(Guan)权(Quan)利(Li)。(?)