HI 98290 GPS Multiparameter Meter pH/ORP/ISE, EC/TDS/Resistivity/Salinity/Seawater Specific Gravity, Turbidity, DO, Temperature and Atmospheric Pressure Rugged, waterproof and easy to use, the HI 98290 is the ideal meters for field measurements of lakes, rivers and seas. Both meters display 1 to 12 parameters simultaneously from up to 15 user selectable parameters. Combined with one of the HI 76×9829 series probes, the HI 98290 ... Read More »

HI 9829 Multiparameter Meter pH/ORP/ISE, EC/TDS/Resistivity/Salinity/Seawater Specific Gravity, Turbidity, DO, Temperature and Atmospheric Pressure Rugged, waterproof and easy to use, the HI 9829 is the ideal meters for field measurements of lakes, rivers and seas. Both meters display 1 to 12 parameters simultaneously from up to 15 user selectable parameters. Combined with one of the HI 76×9829 series probes, the HI 9829 can ... Read More »

HI 4521 Research Grade Meter with Calibration Check™ and USP pH/ORP and EC/TDS/Resistivity/Salinity and Temperature HI 4521 is a research grade, benchtop instrument that features 7 measurement parameters: pH, ORP (Oxidation Reduction Potential), conductivity, resistivity, TDS, salinity and temperature. This meter incorporates dual channels with a separate temperature input and support the external reference electrodes required by half cell pH sensors. The user ... Read More »

HI 4522 Research Grade Meter with Calibration Check™ and USP pH/ORP/ISE and EC/TDS/Resistivity/Salinity and Temperature HI 4522 is a research grade, benchtop instrument that feature 8 measurement ranges: pH, ORP (Oxidation Reduction Potential), ISE, conductivity, resistivity, TDS, salinity and temperature. This instrument incorporates dual channels with a separate temperature input and support the external reference electrodes required by half cell pH and ... Read More »

HI 931100 Salinity and Sodium Content Measurement Meter HI 931100 is an ion-selective meter that uses a sodium electrode to read the salt (NaCl) content of a solution. This powerful instrument has four ranges, capable of measuring concentrations from 0.150 g/L to 300 g/L. HI 931100 auto ranges from sample to sample over an extremely broad range without the need for recalibration. A separate ... Read More »