多参数测定仪 型号:SH500-M9204库号:M9204 COD:5-150-500-2500mg/L ,0.1mg/L总磷:0-5mg/L ,mg/L氮:0-50mg/L ,mg/L悬浮物:0-200-1000ppm ,/0.1ppm总氮:0-100mg/L,mg/L度:≤5%FS重复性:≤2%电源:AC 220V 50Hz