The Lightweight and Portable MW500 ORP (Oxidation Reduction Potential) Meter is reliable,

fast, simple and is accurate up to ± 5mV, exceeding the needs of most users.

It is preferred by people looking to dial in their testing program when they have an ongoing need to maintain levels. Common uses are aquariums, swimming pools, spas and other water quality monitoring uses like those required in Hydroponic and Aquaponic Systems.

This Meter has a 9 volt battery and performs ORP measurements with a range of ± 1000 mV. It

comes with a SE3000 ORP Probe that is both low maintenance (gel filled) and able to withstand

challenging samples. The Probe has a 3 ft. cable for extra flexibility when testing.

This rugged little ORP Meter is designed to take hard knocks and still perform.

$136 INCLIDES SHIPPING