拨号式游离残留氯计DT-4单独,,制造商编号,DT-4,0,测定项目游离残留氯,0.1/0.2/0.3/0.4/0.5/0.7/1.0/1.5/2.0 mg/L,DT-4,关联商品代码商品名0428806321拨号式游离残留氯计DT-1 10,000 0428806322拨号式游离残留氯计DT-1-BTB 15,000 0428806323拨号式游离残留氯计DT-1-SPS 15,000 0428806324拨号式游离残留氯计DT-2-SPS 25,000 0428806346 pH指示剂SPS 30mL 770 0428806562斯波特瓶盘·简易测定用350 0428806601钻石乐式游离残留氯计DT-1-SM pH附属15,000 0428806602拨号式游离残留氯计DT-2单独13,000 0428806603拨号式游离残留氯计DT-2-BTB pH附属25,000 0428806604拨号式游离残留氯计DT-2-SM pH附属25,000 0428806605拨号式游离残留氯计DT-3单独13,000 0428806607拨号式游离残留氯计DT-4-BTB pH属15,000 0428806608拨号游离残留氯计DT-4-SPS pH附件15,000.