水(Shui)质(Zhi)检(Jian)测(Ce)仪(Yi)的(De)老(Lao)化(Hua)对(Dui)检(Jian)测(Ce)结(Jie)果(Guo)具(Ju)有(You)深(Shen)远(Yuan)的(De)影(Ying)响(Xiang),(?)这(Zhe)一(Yi)复(Fu)杂(Za)性(Xing)问(Wen)题(Ti)牵(Qian)涉(She)多(Duo)个(Ge)层(Ceng)面(Mian)。(?)具(Ju)体(Ti)而(?)言(Yan),(?)随(Sui)着(Zhuo)仪(Yi)器(Qi)使(Shi)用(Yong)时(Shi)间(Jian)的(De)累(Lei)积(Ji),(?)其(Qi)各(Ge)组(Zu)成(Cheng)部(Bu)分(Fen),(?)尤(You)其(Qi)是(Shi)传(Chuan)感(Gan)器(Qi)和(He)电(Dian)子(Zi)元(Yuan)件(Jian),(?)可(Ke)能(Neng)会(Hui)逐(Zhu)渐(Jian)出(Chu)现(Xian)性(Xing)能(Neng)衰(Shuai)退(Tui)的(De)现(Xian)象(Xiang)。(?)这(Zhe)种(Zhong)老(Lao)化(Hua)不(Bu)仅(Jin)削(Xiao)弱(Ruo)了(Liao)仪(Yi)器(Qi)的(De)准(Zhun)确(Que)性(Xing)和(He)稳(Wen)定(Ding)性(Xing),(?)还(Huan)可(Ke)能(Neng)改(Gai)变(Bian)其(Qi)检(Jian)测(Ce)范(Fan)围(Wei)及(Ji)响(Xiang)应(Ying)速(Su)度(Du),(?)从(Cong)而(?)对(Dui)水(Shui)质(Zhi)监(Jian)测(Ce)的(De)整(Zheng)体(Ti)成(Cheng)效(Xiao)造(Zao)成(Cheng)不(Bu)利(Li)影(Ying)响(Xiang)。(?)
1. 传(Chuan)感(Gan)器(Qi)老(Lao)化(Hua)现(Xian)象(Xiang)
水(Shui)质(Zhi)检(Jian)测(Ce)仪(Yi)的(De)核(He)心(Xin)组(Zu)件(Jian)之(Zhi)一(Yi)便(Bian)是(Shi)传(Chuan)感(Gan)器(Qi),(?)其(Qi)中(Zhong)包(Bao)括(Kuo)电(Dian)化(Hua)学(Xue)传(Chuan)感(Gan)器(Qi)、(?)光(Guang)学(Xue)传(Chuan)感(Gan)器(Qi)、(?)离(Li)子(Zi)选(Xuan)择(Ze)性(Xing)电(Dian)极(Ji)以(Yi)及(Ji)光(Guang)纤(Xian)传(Chuan)感(Gan)器(Qi)等(Deng)多(Duo)种(Zhong)类(Lei)型(Xing)。(?)不(Bu)同(Tong)类(Lei)型(Xing)的(De)传(Chuan)感(Gan)器(Qi)老(Lao)化(Hua)方(Fang)式(Shi)各(Ge)异(Yi),(?)但(Dan)均(Jun)受(Shou)一(Yi)些(Xie)共(Gong)同(Tong)因(Yin)素(Su)的(De)影(Ying)响(Xiang):(?)
电(Dian)化(Hua)学(Xue)传(Chuan)感(Gan)器(Qi):(?)用(Yong)于(Yu)测(Ce)量(Liang)溶(Rong)解(Jie)氧(Yang)、(?)pH值(Zhi)、(?)氨(An)氮(Dan)等(Deng)指(Zhi)标(Biao)。(?)长(Chang)期(Qi)使(Shi)用(Yong)后(Hou),(?)电(Dian)极(Ji)可(Ke)能(Neng)因(Yin)与(Yu)水(Shui)中(Zhong)的(De)化(Hua)学(Xue)物(Wu)质(Zhi)发(Fa)生(Sheng)反(Fan)应(Ying)而(?)逐(Zhu)渐(Jian)失(Shi)效(Xiao),(?)常(Chang)见(Jian)原(Yuan)因(Yin)包(Bao)括(Kuo)电(Dian)极(Ji)表(Biao)面(Mian)腐(Fu)蚀(Shi)、(?)沉(Chen)积(Ji)物(Wu)堆(Dui)积(Ji)以(Yi)及(Ji)电(Dian)解(Jie)质(Zhi)耗(Hao)尽(Jin),(?)这(Zhe)些(Xie)都(Du)会(Hui)导(Dao)致(Zhi)传(Chuan)感(Gan)器(Qi)响(Xiang)应(Ying)变(Bian)慢(Man)或(Huo)测(Ce)量(Liang)误(Wu)差(Cha)增(Zeng)大(Da)。(?)
光(Guang)学(Xue)传(Chuan)感(Gan)器(Qi):(?)通(Tong)过(Guo)测(Ce)量(Liang)水(Shui)中(Zhong)物(Wu)质(Zhi)对(Dui)光(Guang)的(De)吸(Xi)收(Shou)或(Huo)散(San)射(She)来(Lai)评(Ping)估(Gu)水(Shui)质(Zhi)参(Can)数(Shu),(?)如(Ru)浊(Zhuo)度(Du)、(?)氨(An)氮(Dan)等(Deng)。(?)随(Sui)时(Shi)间(Jian)推(Tui)移(Yi),(?)传(Chuan)感(Gan)器(Qi)的(De)光(Guang)学(Xue)元(Yuan)件(Jian)可(Ke)能(Neng)因(Yin)污(Wu)染(Ran)物(Wu)或(Huo)水(Shui)中(Zhong)颗(Ke)粒(Li)的(De)沉(Chen)积(Ji)而(?)老(Lao)化(Hua),(?)导(Dao)致(Zhi)信(Xin)号(Hao)衰(Shuai)减(Jian),(?)进(Jin)而(?)影(Ying)响(Xiang)测(Ce)量(Liang)的(De)灵(Ling)敏(Min)度(Du)。(?)
离(Li)子(Zi)选(Xuan)择(Ze)性(Xing)电(Dian)极(Ji):(?)常(Chang)用(Yong)于(Yu)测(Ce)定(Ding)水(Shui)中(Zhong)的(De)离(Li)子(Zi)浓(Nong)度(Du),(?)如(Ru)氟(Fu)离(Li)子(Zi)、(?)氯(Lu)离(Li)子(Zi)等(Deng)。(?)随(Sui)着(Zhuo)时(Shi)间(Jian)的(De)推(Tui)移(Yi),(?)电(Dian)极(Ji)表(Biao)面(Mian)可(Ke)能(Neng)发(Fa)生(Sheng)钝(Dun)化(Hua),(?)导(Dao)致(Zhi)其(Qi)对(Dui)离(Li)子(Zi)浓(Nong)度(Du)的(De)响(Xiang)应(Ying)变(Bian)得(De)迟(Chi)钝(Dun)。(?)
2. 仪(Yi)器(Qi)精(Jing)度(Du)下(Xia)降(Jiang)问(Wen)题(Ti)
随(Sui)着(Zhuo)传(Chuan)感(Gan)器(Qi)和(He)电(Dian)子(Zi)元(Yuan)件(Jian)的(De)老(Lao)化(Hua),(?)水(Shui)质(Zhi)检(Jian)测(Ce)仪(Yi)的(De)精(Jing)度(Du)往(Wang)往(Wang)会(Hui)逐(Zhu)渐(Jian)降(Jiang)低(Di),(?)具(Ju)体(Ti)表(Biao)现(Xian)为(Wei):(?)
检(Jian)测(Ce)偏(Pian)差(Cha):(?)老(Lao)化(Hua)的(De)传(Chuan)感(Gan)器(Qi)和(He)电(Dian)路(Lu)可(Ke)能(Neng)导(Dao)致(Zhi)检(Jian)测(Ce)值(Zhi)与(Yu)实(Shi)际(Ji)水(Shui)质(Zhi)之(Zhi)间(Jian)存(Cun)在(Zai)偏(Pian)差(Cha),(?)这(Zhe)种(Zhong)偏(Pian)差(Cha)在(Zai)不(Bu)同(Tong)环(Huan)境(Jing)条(Tiao)件(Jian)下(Xia)可(Ke)能(Neng)有(You)所(Suo)不(Bu)同(Tong),(?)尤(You)其(Qi)在(Zai)极(Ji)端(Duan)水(Shui)质(Zhi)条(Tiao)件(Jian)下(Xia)((?)如(Ru)极(Ji)高(Gao)或(Huo)极(Ji)低(Di)的(De)pH值(Zhi)、(?)溶(Rong)解(Jie)氧(Yang)浓(Nong)度(Du)等(Deng))(?)更(Geng)为(Wei)显(Xian)著(Zhu)。(?)
标(Biao)准(Zhun)物(Wu)质(Zhi)响(Xiang)应(Ying)不(Bu)稳(Wen)定(Ding):(?)水(Shui)质(Zhi)检(Jian)测(Ce)仪(Yi)通(Tong)常(Chang)使(Shi)用(Yong)标(Biao)准(Zhun)物(Wu)质(Zhi)进(Jin)行(Xing)校(Xiao)准(Zhun),(?)但(Dan)随(Sui)着(Zhuo)仪(Yi)器(Qi)老(Lao)化(Hua),(?)标(Biao)准(Zhun)物(Wu)质(Zhi)的(De)响(Xiang)应(Ying)可(Ke)能(Neng)变(Bian)得(De)不(Bu)一(Yi)致(Zhi),(?)使(Shi)得(De)校(Xiao)准(Zhun)过(Guo)程(Cheng)更(Geng)加(Jia)困(Kun)难(Nan)。(?)
3. 响(Xiang)应(Ying)时(Shi)间(Jian)变(Bian)慢(Man)情(Qing)况(Kuang)
水(Shui)质(Zhi)检(Jian)测(Ce)仪(Yi)的(De)响(Xiang)应(Ying)时(Shi)间(Jian)受(Shou)传(Chuan)感(Gan)器(Qi)性(Xing)能(Neng)的(De)影(Ying)响(Xiang)显(Xian)著(Zhu)。(?)随(Sui)着(Zhuo)仪(Yi)器(Qi)老(Lao)化(Hua),(?)传(Chuan)感(Gan)器(Qi)可(Ke)能(Neng)无(Wu)法(Fa)像(Xiang)新(Xin)仪(Yi)器(Qi)那(Na)样(Yang)迅(Xun)速(Su)响(Xiang)应(Ying)。(?)例(Li)如(Ru):(?)
溶(Rong)解(Jie)氧(Yang)测(Ce)量(Liang):(?)溶(Rong)解(Jie)氧(Yang)传(Chuan)感(Gan)器(Qi)随(Sui)使(Shi)用(Yong)时(Shi)间(Jian)增(Zeng)加(Jia),(?)可(Ke)能(Neng)因(Yin)电(Dian)极(Ji)表(Biao)面(Mian)污(Wu)染(Ran)或(Huo)磨(Mo)损(Sun)导(Dao)致(Zhi)响(Xiang)应(Ying)时(Shi)间(Jian)变(Bian)长(Chang),(?)实(Shi)际(Ji)测(Ce)试(Shi)中(Zhong)溶(Rong)解(Jie)氧(Yang)浓(Nong)度(Du)的(De)变(Bian)化(Hua)可(Ke)能(Neng)会(Hui)被(Bei)延(Yan)迟(Chi)记(Ji)录(Lu),(?)影(Ying)响(Xiang)监(Jian)测(Ce)的(De)实(Shi)时(Shi)性(Xing)。(?)
pH值(Zhi)测(Ce)量(Liang):(?)老(Lao)化(Hua)后(Hou)的(De)pH电(Dian)极(Ji)对(Dui)水(Shui)中(Zhong)氢(Qing)离(Li)子(Zi)的(De)敏(Min)感(Gan)度(Du)下(Xia)降(Jiang),(?)可(Ke)能(Neng)导(Dao)致(Zhi)测(Ce)量(Liang)结(Jie)果(Guo)的(De)滞(Zhi)后(Hou)性(Xing),(?)特(Te)别(Bie)是(Shi)在(Zai)水(Shui)质(Zhi)快(Kuai)速(Su)变(Bian)化(Hua)的(De)场(Chang)景(Jing)中(Zhong),(?)无(Wu)法(Fa)及(Ji)时(Shi)捕(Bu)捉(Zhuo)准(Zhun)确(Que)数(Shu)据(Ju)。(?)
4. 失(Shi)效(Xiao)和(He)故(Gu)障(Zhang)风(Feng)险(Xian)
随(Sui)着(Zhuo)水(Shui)质(Zhi)检(Jian)测(Ce)仪(Yi)使(Shi)用(Yong)时(Shi)间(Jian)的(De)增(Zeng)长(Chang),(?)某(Mou)些(Xie)关(Guan)键(Jian)部(Bu)件(Jian)的(De)失(Shi)效(Xiao)风(Feng)险(Xian)也(Ye)随(Sui)之(Zhi)增(Zeng)加(Jia)。(?)常(Chang)见(Jian)的(De)故(Gu)障(Zhang)类(Lei)型(Xing)有(You):(?)
传(Chuan)感(Gan)器(Qi)失(Shi)效(Xiao):(?)长(Chang)时(Shi)间(Jian)使(Shi)用(Yong)后(Hou),(?)传(Chuan)感(Gan)器(Qi)可(Ke)能(Neng)因(Yin)污(Wu)染(Ran)物(Wu)积(Ji)累(Lei)、(?)腐(Fu)蚀(Shi)或(Huo)其(Qi)他(Ta)原(Yuan)因(Yin)失(Shi)效(Xiao),(?)导(Dao)致(Zhi)仪(Yi)器(Qi)无(Wu)法(Fa)正(Zheng)常(Chang)工(Gong)作(Zuo)。(?)例(Li)如(Ru),(?)电(Dian)极(Ji)可(Ke)能(Neng)被(Bei)化(Hua)学(Xue)物(Wu)质(Zhi)腐(Fu)蚀(Shi),(?)无(Wu)法(Fa)与(Yu)水(Shui)中(Zhong)的(De)成(Cheng)分(Fen)有(You)效(Xiao)反(Fan)应(Ying)。(?)
电(Dian)池(Chi)老(Lao)化(Hua):(?)若(Ruo)水(Shui)质(Zhi)检(Jian)测(Ce)仪(Yi)采(Cai)用(Yong)电(Dian)池(Chi)供(Gong)电(Dian),(?)电(Dian)池(Chi)老(Lao)化(Hua)可(Ke)能(Neng)导(Dao)致(Zhi)仪(Yi)器(Qi)无(Wu)法(Fa)稳(Wen)定(Ding)工(Gong)作(Zuo)。(?)电(Dian)池(Chi)老(Lao)化(Hua)后(Hou)供(Gong)电(Dian)电(Dian)压(Ya)降(Jiang)低(Di),(?)可(Ke)能(Neng)影(Ying)响(Xiang)仪(Yi)器(Qi)的(De)测(Ce)量(Liang)精(Jing)度(Du)和(He)稳(Wen)定(Ding)性(Xing)。(?)
电(Dian)路(Lu)组(Zu)件(Jian)损(Sun)坏(Huai):(?)仪(Yi)器(Qi)内(Nei)部(Bu)的(De)电(Dian)路(Lu)板(Ban)、(?)连(Lian)接(Jie)线(Xian)等(Deng)可(Ke)能(Neng)因(Yin)长(Chang)期(Qi)使(Shi)用(Yong)而(?)损(Sun)坏(Huai),(?)导(Dao)致(Zhi)测(Ce)量(Liang)过(Guo)程(Cheng)中(Zhong)出(Chu)现(Xian)信(Xin)号(Hao)丢(Diu)失(Shi)、(?)干(Gan)扰(Rao)或(Huo)电(Dian)源(Yuan)不(Bu)稳(Wen)定(Ding)等(Deng)问(Wen)题(Ti)。(?)
5. 校(Xiao)准(Zhun)需(Xu)求(Qiu)增(Zeng)加(Jia)
水(Shui)质(Zhi)检(Jian)测(Ce)仪(Yi)需(Xu)定(Ding)期(Qi)校(Xiao)准(Zhun)以(Yi)确(Que)保(Bao)测(Ce)量(Liang)结(Jie)果(Guo)的(De)准(Zhun)确(Que)性(Xing)。(?)随(Sui)着(Zhuo)仪(Yi)器(Qi)老(Lao)化(Hua),(?)可(Ke)能(Neng)需(Xu)要(Yao)更(Geng)频(Pin)繁(Fan)的(De)校(Xiao)准(Zhun)才(Cai)能(Neng)保(Bao)持(Chi)良(Liang)好(Hao)的(De)测(Ce)量(Liang)性(Xing)能(Neng)。(?)特(Te)别(Bie)是(Shi)在(Zai)长(Chang)期(Qi)使(Shi)用(Yong)的(De)情(Qing)况(Kuang)下(Xia),(?)定(Ding)期(Qi)校(Xiao)准(Zhun)对(Dui)于(Yu)减(Jian)轻(Qing)仪(Yi)器(Qi)老(Lao)化(Hua)带(Dai)来(Lai)的(De)影(Ying)响(Xiang)至(Zhi)关(Guan)重(Zhong)要(Yao):(?)
频(Pin)繁(Fan)调(Diao)整(Zheng):(?)对(Dui)于(Yu)老(Lao)化(Hua)的(De)仪(Yi)器(Qi),(?)校(Xiao)准(Zhun)间(Jian)隔(Ge)可(Ke)能(Neng)需(Xu)要(Yao)缩(Suo)短(Duan),(?)否(Fou)则(Ze)测(Ce)量(Liang)结(Jie)果(Guo)可(Ke)能(Neng)出(Chu)现(Xian)较(Jiao)大(Da)偏(Pian)差(Cha)。(?)
校(Xiao)准(Zhun)难(Nan)度(Du)增(Zeng)加(Jia):(?)随(Sui)着(Zhuo)仪(Yi)器(Qi)性(Xing)能(Neng)的(De)下(Xia)降(Jiang),(?)校(Xiao)准(Zhun)可(Ke)能(Neng)变(Bian)得(De)更(Geng)加(Jia)困(Kun)难(Nan),(?)可(Ke)能(Neng)需(Xu)要(Yao)使(Shi)用(Yong)更(Geng)精(Jing)确(Que)的(De)标(Biao)准(Zhun)物(Wu)质(Zhi)或(Huo)采(Cai)用(Yong)更(Geng)复(Fu)杂(Za)的(De)校(Xiao)准(Zhun)方(Fang)法(Fa)。(?)
6. 维(Wei)护(Hu)与(Yu)更(Geng)换(Huan)策(Ce)略(Lue)
为(Wei)减(Jian)少(Shao)老(Lao)化(Hua)带(Dai)来(Lai)的(De)影(Ying)响(Xiang),(?)定(Ding)期(Qi)的(De)维(Wei)护(Hu)和(He)及(Ji)时(Shi)的(De)零(Ling)部(Bu)件(Jian)更(Geng)换(Huan)至(Zhi)关(Guan)重(Zhong)要(Yao)。(?)老(Lao)化(Hua)的(De)传(Chuan)感(Gan)器(Qi)和(He)电(Dian)池(Chi)等(Deng)部(Bu)件(Jian)需(Xu)定(Ding)期(Qi)检(Jian)查(Cha)和(He)更(Geng)换(Huan),(?)以(Yi)确(Que)保(Bao)仪(Yi)器(Qi)的(De)长(Chang)期(Qi)稳(Wen)定(Ding)性(Xing)和(He)精(Jing)确(Que)度(Du):(?)
传(Chuan)感(Gan)器(Qi)更(Geng)换(Huan):(?)当(Dang)传(Chuan)感(Gan)器(Qi)老(Lao)化(Hua)影(Ying)响(Xiang)测(Ce)量(Liang)结(Jie)果(Guo)时(Shi),(?)及(Ji)时(Shi)更(Geng)换(Huan)传(Chuan)感(Gan)器(Qi)可(Ke)以(Yi)有(You)效(Xiao)延(Yan)长(Chang)仪(Yi)器(Qi)的(De)使(Shi)用(Yong)寿(Shou)命(Ming)。(?)
清(Qing)洁(Jie)与(Yu)维(Wei)护(Hu):(?)水(Shui)质(Zhi)检(Jian)测(Ce)仪(Yi)的(De)清(Qing)洁(Jie)和(He)保(Bao)养(Yang)对(Dui)于(Yu)延(Yan)缓(Huan)老(Lao)化(Hua)过(Guo)程(Cheng)至(Zhi)关(Guan)重(Zhong)要(Yao)。(?)例(Li)如(Ru),(?)定(Ding)期(Qi)清(Qing)洁(Jie)传(Chuan)感(Gan)器(Qi)表(Biao)面(Mian)、(?)检(Jian)查(Cha)电(Dian)极(Ji)状(Zhuang)态(Tai),(?)可(Ke)以(Yi)有(You)效(Xiao)减(Jian)轻(Qing)老(Lao)化(Hua)对(Dui)检(Jian)测(Ce)结(Jie)果(Guo)的(De)影(Ying)响(Xiang)。(?)
综(Zong)上(Shang)所(Suo)述(Shu),(?)水(Shui)质(Zhi)检(Jian)测(Ce)仪(Yi)的(De)老(Lao)化(Hua)是(Shi)一(Yi)个(Ge)不(Bu)可(Ke)避(Bi)免(Mian)的(De)过(Guo)程(Cheng),(?)但(Dan)通(Tong)过(Guo)定(Ding)期(Qi)维(Wei)护(Hu)、(?)校(Xiao)准(Zhun)以(Yi)及(Ji)适(Shi)时(Shi)更(Geng)换(Huan)部(Bu)件(Jian),(?)可(Ke)以(Yi)有(You)效(Xiao)延(Yan)缓(Huan)这(Zhe)一(Yi)过(Guo)程(Cheng),(?)保(Bao)持(Chi)仪(Yi)器(Qi)的(De)测(Ce)量(Liang)精(Jing)度(Du)和(He)稳(Wen)定(Ding)性(Xing)。(?)定(Ding)期(Qi)检(Jian)查(Cha)传(Chuan)感(Gan)器(Qi)、(?)清(Qing)洁(Jie)仪(Yi)器(Qi)并(Bing)做(Zuo)好(Hao)校(Xiao)准(Zhun)工(Gong)作(Zuo),(?)可(Ke)以(Yi)减(Jian)少(Shao)仪(Yi)器(Qi)老(Lao)化(Hua)对(Dui)水(Shui)质(Zhi)检(Jian)测(Ce)结(Jie)果(Guo)的(De)影(Ying)响(Xiang),(?)确(Que)保(Bao)水(Shui)质(Zhi)监(Jian)测(Ce)的(De)准(Zhun)确(Que)性(Xing)和(He)可(Ke)靠(Kao)性(Xing)。(?)
上(Shang)一(Yi)篇(Pian):(?)COD检(Jian)测(Ce)仪(Yi)维(Wei)护(Hu)成(Cheng)本(Ben)降(Jiang)低(Di)策(Ce)略(Lue)
下(Xia)一(Yi)篇(Pian):(?)快(Kuai)速(Su)水(Shui)质(Zhi)测(Ce)定(Ding)仪(Yi)故(Gu)障(Zhang)排(Pai)查(Cha)技(Ji)巧(Qiao)介(Jie)绍(Shao)
最(Zui)新(Xin)动(Dong)态(Tai)
相(Xiang)关(Guan)推(Tui)荐(Jian)