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PHS-3C台(tai)式数显酸(suan)度计(ji)（可(ke)充电(dian)pH计(ji)）是用(yong)(yong)于实验(yan)室(shi)测(ce)量PH值(zhi)的高精度仪(yi)器。具(ju)有PH、MV双重功(gong)能，标配E201-C复合电(dian)极，反应快，稳定性(xing)好(hao)。仪(yi)器适用(yong)(yong)于工(gong)矿(kuang)企业、科研、农业、医(yi)药、教学、环(huan)保等单位(wei)(wei)，用(yong)(yong)于取样测(ce)定水溶(rong)液的pH值(zhi)和测(ce)量电(dian)极电(dian)位(wei)(wei)（mV值(zhi)）。

DDS-11A数(shu)显电(dian)(dian)导(dao)率(lv)仪生产厂家是用于实验室测量各(ge)种(zhong)液体介质电(dian)(dian)导(dao)率(lv)的精密仪器(qi)，该(gai)仪器(qi)广泛(fan)用于科(ke)研、教学、工业、农业等(deng)许(xu)多学科(ke)和领域。当配以(yi)0.1、10常数(shu)的电(dian)(dian)导(dao)电(dian)(dian)极(ji)时，能精确测量高(gao)纯水(shui)电(dian)(dian)导(dao)率(lv)或(huo)高(gao)电(dian)(dian)导(dao)水(shui)。

DDBJ-350便携式电(dian)(dian)(dian)(dian)(dian)导率仪(yi)生(sheng)(sheng)产(chan)(chan)厂家测(ce)试电(dian)(dian)(dian)(dian)(dian)导的(de)方法，是通(tong)过(guo)由振荡器产(chan)(chan)生(sheng)(sheng)的(de)直流电(dian)(dian)(dian)(dian)(dian)压加在电(dian)(dian)(dian)(dian)(dian)极(ji)上(shang)（加交流电(dian)(dian)(dian)(dian)(dian)压的(de)目的(de)是为(wei)了避免(mian)引(yin)起电(dian)(dian)(dian)(dian)(dian)极(ji)的(de)极(ji)化(hua)），电(dian)(dian)(dian)(dian)(dian)导池内(nei)产(chan)(chan)生(sheng)(sheng)电(dian)(dian)(dian)(dian)(dian)流，此电(dian)(dian)(dian)(dian)(dian)流与被测(ce)溶液的(de)电(dian)(dian)(dian)(dian)(dian)导率成(cheng)正比(bi)，经电(dian)(dian)(dian)(dian)(dian)流-电(dian)(dian)(dian)(dian)(dian)压变(bian)换(huan)、放大、检波，变(bian)换(huan)为(wei)直流电(dian)(dian)(dian)(dian)(dian)压，通(tong)过(guo)温(wen)度(du)补偿(chang)等，Z后经A/D转换(huan)器转换(huan)成(cheng)数字(zi)信号，通(tong)过(guo)微电(dian)(dian)(dian)(dian)(dian)脑(nao)显示。整个过(guo)程(cheng)均由微电(dian)(dian)(dian)(dian)(dian)脑(nao)控制(zhi)和处(chu)理。

PHS-3DW微机型数显(xian)酸度计生产厂家（PH计）是由(you)微处理器(qi)控制的(de)(de)(de)智能化pH计，选用高可靠进口(kou)集成元件并经严(yan)格筛(shai)选精(jing)制而成，性能稳定(ding)、可靠，操作简单。适(shi)用于实验(yan)室精(jing)密测量(liang)溶(rong)液的(de)(de)(de)酸度（pH值）和电(dian)(dian)极电(dian)(dian)位(wei)（mV），广泛(fan)用于轻工(gong)、化工(gong)、制药(yao)、食品、防疫、环保及教(jiao)育科研部门的(de)(de)(de)电(dian)(dian)化学分析。

PHS-3CW微(wei)机型数显(xian)酸度(du)计(ji)生产厂家（PH计(ji)）是由微(wei)处理器控制的(de)智(zhi)能(neng)化pH计(ji)，选(xuan)用(yong)高(gao)可靠(kao)进口集成元(yuan)件并经严格筛(shai)选(xuan)精制而成，性能(neng)稳定、可靠(kao)，操作简单。适用(yong)于(yu)实验室精密测量(liang)溶液的(de)酸度(du)（pH值）和电(dian)(dian)极电(dian)(dian)位（mV），广泛用(yong)于(yu)轻工、化工、制药(yao)、食品、防(fang)疫、环保(bao)及(ji)教育科研(yan)部门的(de)电(dian)(dian)化学(xue)分析(xi)。

DDS-307微机型电导(dao)(dao)率仪厂(chang)家(jia)报价(jia)测试电导(dao)(dao)的(de)(de)方法，是通(tong)(tong)过由(you)振(zhen)荡器(qi)产生的(de)(de)交流(liu)电压(ya)加在电极(ji)上（加交流(liu)电压(ya)的(de)(de)目的(de)(de)是为了避免(mian)引(yin)起电极(ji)的(de)(de)极(ji)化），电导(dao)(dao)池内产生电流(liu)，此电流(liu)与(yu)被(bei)测溶液的(de)(de)电导(dao)(dao)率成(cheng)(cheng)正比，经电流(liu)-电压(ya)变(bian)换(huan)、放大、检波，变(bian)换(huan)为直(zhi)流(liu)电压(ya)，通(tong)(tong)过温(wen)度补(bu)偿等(deng)，Z后(hou)经A/D转换(huan)器(qi)转换(huan)成(cheng)(cheng)数字信(xin)号，通(tong)(tong)过微电脑(nao)显(xian)示。整个过程均由(you)微电脑(nao)控制(zhi)和处理(li)。

DDS-307A微机(ji)型(xing)电导率仪生产(chan)厂家温度补偿范(fan)围：0～50℃ 自动(dong)温度补偿， 可选(xuan)配电极(ji)规格常数(shu)： 0.1、1、10

PHS-25C台式数字式酸(suan)度(du)(du)计生产厂(chang)家（PH计）是用(yong)于实验(yan)室测量PH值(zhi)的高精(jing)度(du)(du)仪器(qi)，具(ju)有(you)pH，mV双重(zhong)功能。采用(yong)E201型复合(he)电(dian)极，反(fan)应快(kuai)，稳定性好。该系(xi)列仪器(qi)广泛用(yong)于科研、教学(xue)、农业等(deng)许(xu)多学(xue)科和领域。

PHS-3C精密型台式数显(xian)酸度计生(sheng)产厂家（PH计）是用于实(shi)验室(shi)测(ce)量PH值(zhi)的高精度仪器，具有pH，mV双重功能。采用E201型复合(he)电极，反应快，稳定性好。该系列仪器广(guang)泛用于科研、教学(xue)、农业等许多学(xue)科和领域。