Comparison : Item # 0023-503, Square Cuvette Holder
Item # 0017-4598, Oil in Water Analyzer Model HC 2930
Item # 0017-4606, Spare Drive Belt for Oil in Water Analyzer
Item # 0017-4736, Oil in Water Analyzer Model HC 2930 with Hydrocarbon Test Kit
Item # 0017-7525, Special Vessel Cell for Freon Free (Hexane) method, EPA 1664 to be used with Oil-in-Water Analyzer