一(Yi)、(?)水(Shui)质(Zhi)检(Jian)测(Ce)仪(Yi)的(De)重(Zhong)要(Yao)性(Xing)与(Yu)校(Xiao)准(Zhun)必(Bi)要(Yao)性(Xing)
水(Shui)质(Zhi)检(Jian)测(Ce)仪(Yi)是(Shi)监(Jian)测(Ce)水(Shui)体(Ti)安(An)全(Quan)的(De)核(He)心(Xin)工(Gong)具(Ju),(?)其(Qi)精(Jing)度(Du)直(Zhi)接(Jie)影(Ying)响(Xiang)饮(Yin)用(Yong)水(Shui)安(An)全(Quan)、(?)工(Gong)业(Ye)废(Fei)水(Shui)处(Chu)理(Li)及(Ji)环(Huan)境(Jing)保(Bao)护(Hu)的(De)决(Jue)策(Ce)。(?)然(Ran)而(?),(?)仪(Yi)器(Qi)使(Shi)用(Yong)过(Guo)程(Cheng)中(Zhong)常(Chang)因(Yin)环(Huan)境(Jing)干(Gan)扰(Rao)、(?)硬(Ying)件(Jian)老(Lao)化(Hua)或(Huo)操(Cao)作(Zuo)失(Shi)误(Wu)导(Dao)致(Zhi)校(Xiao)准(Zhun)失(Shi)败(Bai)或(Huo)数(Shu)据(Ju)漂(Piao)移(Yi)。(?)统(Tong)计(Ji)显(Xian)示(Shi),(?)约(Yue)35%的(De)检(Jian)测(Ce)误(Wu)差(Cha)源(Yuan)于(Yu)校(Xiao)准(Zhun)不(Bu)当(Dang),(?)因(Yin)此(Ci)掌(Zhang)握(Wo)校(Xiao)准(Zhun)后(Hou)问(Wen)题(Ti)处(Chu)理(Li)流(Liu)程(Cheng)至(Zhi)关(Guan)重(Zhong)要(Yao)。(?)
![]()
二(?)、(?)校(Xiao)准(Zhun)后(Hou)常(Chang)见(Jian)问(Wen)题(Ti)及(Ji)深(Shen)度(Du)解(Jie)析(Xi)
1. 校(Xiao)准(Zhun)数(Shu)值(Zhi)偏(Pian)差(Cha)超(Chao)限(Xian)
现(Xian)象(Xiang):(?)校(Xiao)准(Zhun)后(Hou)仪(Yi)器(Qi)显(Xian)示(Shi)值(Zhi)与(Yu)标(Biao)准(Zhun)液(Ye)理(Li)论(Lun)值(Zhi)偏(Pian)差(Cha)超(Chao)过(Guo)允(Yun)许(Xu)范(Fan)围(Wei)((?)如(Ru)pH值(Zhi)误(Wu)差(Cha)>(?)0.2)(?)。(?)
原(Yuan)因(Yin)排(Pai)查(Cha):(?)
校(Xiao)准(Zhun)液(Ye)失(Shi)效(Xiao):(?)未(Wei)避(Bi)光(Guang)保(Bao)存(Cun)或(Huo)超(Chao)过(Guo)有(You)效(Xiao)期(Qi)((?)尤(You)其(Qi)缓(Huan)冲(Chong)液(Ye)易(Yi)受(Shou)CO影(Ying)响(Xiang))(?)。(?)
电(Dian)极(Ji)污(Wu)染(Ran):(?)油(You)污(Wu)、(?)沉(Chen)淀(Dian)物(Wu)附(Fu)着(Zhuo)导(Dao)致(Zhi)响(Xiang)应(Ying)延(Yan)迟(Chi),(?)需(Xu)用(Yong)0.1mol/L HCl或(Huo)专(Zhuan)用(Yong)清(Qing)洗(Xi)剂(Ji)处(Chu)理(Li)。(?)
温(Wen)度(Du)补(Bu)偿(Chang)失(Shi)效(Xiao):(?)传(Chuan)感(Gan)器(Qi)未(Wei)自(Zi)动(Dong)校(Xiao)正(Zheng)温(Wen)度(Du),(?)需(Xu)检(Jian)查(Cha)温(Wen)度(Du)探(Tan)头(Tou)是(Shi)否(Fou)浸(Jin)入(Ru)溶(Rong)液(Ye)。(?)
2. 数(Shu)据(Ju)重(Zhong)复(Fu)性(Xing)差(Cha)
案(An)例(Li):(?)同(Tong)一(Yi)水(Shui)样(Yang)连(Lian)续(Xu)测(Ce)量(Liang)三(San)次(Ci),(?)电(Dian)导(Dao)率(Lu)波(Bo)动(Dong)超(Chao)过(Guo)5%。(?)
解(Jie)决(Jue)方(Fang)案(An):(?)
检(Jian)查(Cha)电(Dian)极(Ji)与(Yu)电(Dian)路(Lu)板(Ban)连(Lian)接(Jie)是(Shi)否(Fou)松(Song)动(Dong),(?)重(Zhong)新(Xin)插(Cha)拔(Ba)接(Jie)口(Kou)。(?)
更(Geng)换(Huan)内(Nei)部(Bu)信(Xin)号(Hao)放(Fang)大(Da)器(Qi)或(Huo)滤(Lu)波(Bo)电(Dian)容(Rong)((?)需(Xu)厂(Chang)家(Jia)技(Ji)术(Shu)支(Zhi)持(Chi))(?)。(?)
![]()
三(San)、(?)系(Xi)统(Tong)性(Xing)排(Pai)查(Cha)与(Yu)修(Xiu)复(Fu)流(Liu)程(Cheng)((?)分(Fen)步(Bu)详(Xiang)解(Jie))(?)
步(Bu)骤(Zhou)1:(?)排(Pai)除(Chu)校(Xiao)准(Zhun)液(Ye)与(Yu)操(Cao)作(Zuo)干(Gan)扰(Rao)
校(Xiao)准(Zhun)液(Ye)验(Yan)证(Zheng):(?)
使(Shi)用(Yong)NIST((?)美(Mei)国(Guo)国(Guo)家(Jia)标(Biao)准(Zhun)技(Ji)术(Shu)研(Yan)究(Jiu)院(Yuan))(?)认(Ren)证(Zheng)的(De)标(Biao)准(Zhun)液(Ye)重(Zhong)新(Xin)校(Xiao)准(Zhun)。(?)
配(Pei)制(Zhi)新(Xin)批(Pi)次(Ci)校(Xiao)准(Zhun)液(Ye)时(Shi),(?)需(Xu)用(Yong)超(Chao)纯(Chun)水(Shui)((?)电(Dian)阻(Zu)率(Lu)≥(?)18.2MΩ(?)·(?)cm)(?)稀(Xi)释(Shi)。(?)
操(Cao)作(Zuo)规(Gui)范(Fan):(?)
电(Dian)极(Ji)浸(Jin)泡(Pao)时(Shi)间(Jian)需(Xu)≥(?)30分(Fen)钟(Zhong)((?)尤(You)其(Qi)pH/ORP电(Dian)极(Ji))(?)。(?)
搅(Jiao)拌(Ban)速(Su)度(Du)控(Kong)制(Zhi)在(Zai)200-300rpm,(?)避(Bi)免(Mian)气(Qi)泡(Pao)干(Gan)扰(Rao)。(?)
步(Bu)骤(Zhou)2:(?)硬(Ying)件(Jian)诊(Zhen)断(Duan)与(Yu)维(Wei)护(Hu)
传(Chuan)感(Gan)器(Qi)保(Bao)养(Yang):(?)
电(Dian)化(Hua)学(Xue)传(Chuan)感(Gan)器(Qi):(?)每(Mei)3个(Ge)月(Yue)用(Yong)3.5M KCl溶(Rong)液(Ye)活(Huo)化(Hua)。(?)
光(Guang)学(Xue)传(Chuan)感(Gan)器(Qi):(?)用(Yong)无(Wu)尘(Chen)布(Bu)清(Qing)洁(Jie)透(Tou)镜(Jing),(?)避(Bi)免(Mian)指(Zhi)纹(Wen)遮(Zhe)挡(Dang)光(Guang)路(Lu)。(?)
故(Gu)障(Zhang)部(Bu)件(Jian)更(Geng)换(Huan):(?)
电(Dian)极(Ji)寿(Shou)命(Ming)到(Dao)期(Qi)((?)pH电(Dian)极(Ji)1-2年(Nian),(?)溶(Rong)解(Jie)氧(Yang)电(Dian)极(Ji)膜(Mo)头(Tou)6个(Ge)月(Yue))(?)。(?)
电(Dian)源(Yuan)模(Mo)块(Kuai)输(Shu)出(Chu)电(Dian)压(Ya)不(Bu)稳(Wen)定(Ding)时(Shi),(?)需(Xu)更(Geng)换(Huan)稳(Wen)压(Ya)电(Dian)路(Lu)。(?)
步(Bu)骤(Zhou)3:(?)软(Ruan)件(Jian)校(Xiao)正(Zheng)与(Yu)数(Shu)据(Ju)验(Yan)证(Zheng)
软(Ruan)件(Jian)调(Diao)试(Shi):(?)
重(Zhong)置(Zhi)仪(Yi)器(Qi)至(Zhi)出(Chu)厂(Chang)设(She)置(Zhi),(?)重(Zhong)新(Xin)输(Shu)入(Ru)校(Xiao)准(Zhun)参(Can)数(Shu)。(?)
第(Di)三(San)方(Fang)验(Yan)证(Zheng):(?)
将(Jiang)水(Shui)样(Yang)送(Song)至(Zhi)CMA认(Ren)证(Zheng)实(Shi)验(Yan)室(Shi),(?)对(Dui)比(Bi)检(Jian)测(Ce)结(Jie)果(Guo)。(?)
使(Shi)用(Yong)便(Bian)携(Xie)式(Shi)多(Duo)参(Can)数(Shu)分(Fen)析(Xi)仪(Yi)交(Jiao)叉(Cha)验(Yan)证(Zheng)。(?)
![]()
四(Si)、(?)预(Yu)防(Fang)性(Xing)维(Wei)护(Hu)策(Ce)略(Lue)((?)长(Chang)效(Xiao)保(Bao)障(Zhang)数(Shu)据(Ju)精(Jing)准(Zhun))(?)
1. 定(Ding)期(Qi)维(Wei)护(Hu)计(Ji)划(Hua)
每(Mei)日(Ri):(?)校(Xiao)准(Zhun)前(Qian)检(Jian)查(Cha)电(Dian)极(Ji)表(Biao)面(Mian)清(Qing)洁(Jie)度(Du)。(?)
每(Mei)月(Yue):(?)执(Zhi)行(Xing)一(Yi)次(Ci)全(Quan)面(Mian)维(Wei)护(Hu)保(Bao)养(Yang)
2. 环(Huan)境(Jing)控(Kong)制(Zhi)要(Yao)点(Dian)
温(Wen)湿(Shi)度(Du):(?)工(Gong)作(Zuo)环(Huan)境(Jing)保(Bao)持(Chi)15-30℃(?),(?)湿(Shi)度(Du)≤(?)80%。(?)
电(Dian)磁(Ci)屏(Ping)蔽(Bi):(?)远(Yuan)离(Li)变(Bian)频(Pin)器(Qi)、(?)高(Gao)压(Ya)电(Dian)缆(Lan)等(Deng)干(Gan)扰(Rao)源(Yuan)。(?)
防(Fang)震(Zhen)措(Cuo)施(Shi):(?)光(Guang)学(Xue)检(Jian)测(Ce)仪(Yi)需(Xu)放(Fang)置(Zhi)于(Yu)防(Fang)震(Zhen)台(Tai)((?)避(Bi)免(Mian)波(Bo)长(Chang)偏(Pian)移(Yi))(?)。(?)
五(Wu)、(?)紧(Jin)急(Ji)情(Qing)况(Kuang)应(Ying)对(Dui)与(Yu)厂(Chang)商(Shang)协(Xie)作(Zuo)
若(Ruo)多(Duo)次(Ci)校(Xiao)准(Zhun)仍(Reng)无(Wu)法(Fa)解(Jie)决(Jue)问(Wen)题(Ti),(?)需(Xu)及(Ji)时(Shi)联(Lian)系(Xi)厂(Chang)家(Jia):(?)
保(Bao)修(Xiu)期(Qi)内(Nei):(?)申(Shen)请(Qing)免(Mian)费(Fei)更(Geng)换(Huan)故(Gu)障(Zhang)模(Mo)块(Kuai)((?)保(Bao)留(Liu)校(Xiao)准(Zhun)记(Ji)录(Lu)作(Zuo)为(Wei)凭(Ping)证(Zheng))(?)。(?)
专(Zhuan)业(Ye)维(Wei)修(Xiu):(?)分(Fen)光(Guang)光(Guang)度(Du)计(Ji)光(Guang)栅(Zha)校(Xiao)准(Zhun)、(?)离(Li)子(Zi)色(Se)谱(Pu)阀(Fa)组(Zu)维(Wei)护(Hu)等(Deng)需(Xu)返(Fan)厂(Chang)处(Chu)理(Li)。(?)
水(Shui)质(Zhi)检(Jian)测(Ce)仪(Yi)的(De)可(Ke)靠(Kao)性(Xing)取(Qu)决(Jue)于(Yu)校(Xiao)准(Zhun)规(Gui)范(Fan)性(Xing)与(Yu)日(Ri)常(Chang)维(Wei)护(Hu)投(Tou)入(Ru)。(?)通(Tong)过(Guo)系(Xi)统(Tong)化(Hua)排(Pai)查(Cha)流(Liu)程(Cheng)((?)如(Ru)本(Ben)文(Wen)所(Suo)述(Shu))(?),(?)可(Ke)将(Jiang)校(Xiao)准(Zhun)失(Shi)败(Bai)率(Lu)降(Jiang)低(Di)60%以(Yi)上(Shang),(?)确(Que)保(Bao)检(Jian)测(Ce)结(Jie)果(Guo)符(Fu)合(He)《(?)GB/T 5750-2023生(Sheng)活(Huo)饮(Yin)用(Yong)水(Shui)标(Biao)准(Zhun)》(?)等(Deng)法(Fa)规(Gui)要(Yao)求(Qiu)。(?)建(Jian)议(Yi)企(Qi)业(Ye)建(Jian)立(Li)仪(Yi)器(Qi)健(Jian)康(Kang)档(Dang)案(An),(?)实(Shi)现(Xian)从(Cong)“(?)故(Gu)障(Zhang)维(Wei)修(Xiu)”(?)到(Dao)“(?)预(Yu)测(Ce)性(Xing)维(Wei)护(Hu)”(?)的(De)升(Sheng)级(Ji)。(?)
最(Zui)新(Xin)动(Dong)态(Tai)
相(Xiang)关(Guan)推(Tui)荐(Jian)