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Hanna Held pH ATC
Hanna HI2211 Benchtop pH/mV Meter
Hanna HI5522-01 Laboratory Research Grade Benchtop pH/mV/ISE and EC/TDS/Salinity/Resistivity Meter
HANNA HI8314 Manual calibration portable pH meter
HANNA HI98128 pHep® 5 Portable Waterproof Pocket pH/Temperature Meter, pH Range: pH -2.00 to 16.00, Temperature Dual Range: -5.0 to 60.0°C/23.0 to 140.0°F, pH Resolution: pH 0.01, Temperature Resolution: 0.1°C/0.1°F