Compare Quick view YOKOGAWA PH450G-A-U/UM - Pre-owned Part, See Description USD 1,279.58 PH/ORP ANALYZER 4WIRE -2-16PH -1500-1500MVU - This is a pre-owned part - All ÔUÕ suffix designated items are repackaged and may have been previously used in the field or used as demo units. Manuals and accessories provided with original units may not be... USD 1,279.58 Compare Quick view