COD(使用KHP进行标定): 0~2000mg/l COD (2mm光程) 0~1000mg/l COD (5mm光程) 0~90mg/l COD (50mm光程)
BOD(使用KHP进行标定): 0~1500mg/l BOD(2mm光程) 0~750mg/l BOD(5mm光程) 0~60mg/l BOD(50mm光程)