Hanna Instruments 

Advanced Conductivity Meter

Advanced Dissolved Oxygen Meter

Advanced Dissolved Oxygen Meter with HI764833 Polarographic Probe

Advanced pH/ORP Meter

Ammonia Combination Ion Selective Electrode - HI4101

Ammonia High Range Checker® HC - HI733

Ammonia High Range Portable Photometer – HI97733

Ammonia Low Range Checker® HC - HI700

Ammonia Medium Range Checker® HC - HI715

Chloride Checker® HC - HI753

Chloride Combination Ion Selective Electrode - HI4107

Chloride Half-Cell Ion Selective Electrode, Solid State

Chlorine Dioxide (Rapid) Photometer with CAL Check – HI97779

Chlorine Portable Photometer - HI97790

COD/multiparameter photometer w/bar code recognition of sample vials, 230V

Copper High Range Checker® HC - HI702