Oxidation-Reduction Potential (ORP)
Hanna Instruments HI98190 Professional Waterproof Portable pH/ORP Meter
Ion Selective Electrode (ISE)
Hanna Instruments HI98191 Professional Waterproof Portable pH/ORP/ISE Meter
Electrical Conductivity (EC)
Hanna Instruments HI98192 Waterproof Portable EC/TDS/Resistivity/Salinity Meter
Biochemical Oxygen Demand (BOD)
Hanna Instruments HI98193 Waterproof Portable Dissolved Oxygen and BOD Meter
Electrical Conductivity (EC)
Hanna Instruments HI98195 Multiparameter pH/ORP/EC/Pressure/Temperature Waterproof Meter
Dissolved Oxygen (DO)
Hanna Instruments HI98196 Multiparameter pH/ORP/DO/Pressure/Temperature Waterproof Meter
Electrical Conductivity (EC)
Hanna Instruments HI98197 Ultra Pure Water EC/Resistivity Waterproof Portable Meter
Dissolved Oxygen (DO)
Hanna Instruments HI98198 opdo Waterproof Optical Dissolved Oxygen Meter
Dissolved Oxygen (DO)
Hanna Instruments HI98199 Multiparameter Portable pH/EC/DO Waterproof Meter
