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PWN-830(B)便携式COD/总磷/总氮水质测定仪 COD:0~2000mg/L 总磷:0.00~10mg/L 总氮:0.05~100mg/L
PWN-820(F)便携式总磷/总氮水质测定仪 1】测量范围:(超过稀释测定) 总磷:0.00~10mg/L 总氮:0.05~100mg/L
PWN-820(E)便携式氨氮、总磷水质测定仪 1】测量范围:(超过稀释测定) 氨氮:0.02~25mg/L 总磷:0.00~10mg/L
PWN-820(D)便携式氨氮、总氮水质测定仪 1】测量范围:(超过稀释测定) 氨氮:0.02~25mg/L 总氮:0.05~100mg/L
PWN-820(C)便携式COD、总氮水质测定仪 1】测量范围:(超过稀释测定) COD:0~2000mg/L 总氮:0.05~100mg/L
PWN-820(B)便携式COD/总磷水质测定仪 1】测量范围:(超过稀释测定) COD:0~2000mg/L 总磷:0.00~10mg/L