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DDB-305A多參(can)數便攜式水質檢(jian)測電(dian)導(dao)率(lv)儀(yi)電(dian)池可充電(dian)可以(yi)測量電(dian)導(dao)率(lv)、TDS、溫(wen)度，標配復合電(dian)導(dao)電(dian)極(ji)、電(dian)極(ji)掛(gua)架、硅(gui)膠保護套(tao)、腕帶；支持自動(dong)/手(shou)動(dong)溫(wen)度補(bu)償；大(da)容量鋰(li)電(dian)池供電(dian)，支持連接PC和移動(dong)電(dian)源充電(dian)。

DDBJ-350F多參(can)數(shu)電(dian)導(dao)率儀便攜式TDS鹽度(du)水(shui)質檢測儀，可以測量電(dian)導(dao)率、TDS、鹽度(du)、電(dian)阻率、溫(wen)度(du)，大容量鋰電(dian)池供電(dian)，支持連(lian)接PC和移動電(dian)源充電(dian)；支持自動/手動溫(wen)度(du)補償；標配復合電(dian)導(dao)電(dian)極、電(dian)極掛架、硅膠保護套、腕帶、便攜式手提箱、校(xiao)準(zhun)溶(rong)液。

DDBJ-350水質檢測便攜(xie)電(dian)(dian)導率儀多參(can)數(shu)(shu)電(dian)(dian)池(chi)供(gong)電(dian)(dian)配(pei)電(dian)(dian)極，測量參(can)數(shu)(shu)：電(dian)(dian)導率、電(dian)(dian)阻率、TDS、鹽度值、溫(wen)度。標配(pei)復合電(dian)(dian)導電(dian)(dian)極、電(dian)(dian)極掛架(jia)、硅(gui)膠保護套(tao)、腕帶、便攜(xie)式手提箱、校準溶液；支持(chi)自動/手動溫(wen)度補償(chang)；智能判別終點，支持(chi)自動讀(du)(du)數(shu)(shu)、定時讀(du)(du)數(shu)(shu)、定時間(jian)隔讀(du)(du)數(shu)(shu)、手動讀(du)(du)數(shu)(shu)。

DDBJ-351L便攜式電(dian)(dian)(dian)導(dao)率(lv)儀TDS鹽(yan)度(du)電(dian)(dian)(dian)阻(zu)率(lv)觸屏自(zi)動補償(chang)，可以測量電(dian)(dian)(dian)導(dao)率(lv)、TDS、鹽(yan)度(du)、電(dian)(dian)(dian)阻(zu)率(lv)、溫度(du)。標(biao)(biao)配(pei)復合電(dian)(dian)(dian)導(dao)電(dian)(dian)(dian)極、電(dian)(dian)(dian)極掛架、硅膠(jiao)保護套、腕帶、便攜式手(shou)提箱(xiang)、校(xiao)準(zhun)溶(rong)液；自(zi)動識別 GB 和(he)國際標(biao)(biao)準(zhun)電(dian)(dian)(dian)導(dao)溶(rong)液，支(zhi)持1-5點電(dian)(dian)(dian)導(dao)電(dian)(dian)(dian)極標(biao)(biao)定；大(da)容量鋰電(dian)(dian)(dian)池供(gong)電(dian)(dian)(dian)，支(zhi)持連接(jie)PC和(he)移動電(dian)(dian)(dian)源(yuan)充電(dian)(dian)(dian)。

KH22R實(shi)驗室小型臺式高速冷凍離(li)心(xin)機12×1.5/2.0ml，最高轉速：18600r/min，最大相對離(li)心(xin)力：23950×g，溫(wen)控范圍：-10℃-+40℃，LED多屏(ping)顯(xian)示，程序組(zu)、升(sheng)降(jiang)速、轉速/離(li)心(xin)力、時間、溫(wen)度等參數單鍵設(she)置無需組(zu)合鍵，全自動轉子識別系統，無需選擇(ze)轉子號，防止超(chao)速運(yun)行。