HI9813-5 Multiparameter pH/EC/TDS/°C - EC to 4 mS/cm (Obsolete)
HI98131 GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester
HI9814 Multiparameter GroPro pH/EC/TDS/°C
HI981401N pH-Indicator with LED-Alarm & Electrode GRO'CHEK
HI981405N pH / EC & TDS-Indicator with Electrode GRO'CHEK
HI981406 pH/mV-Indicator with LED-Alarm COMBO
HI981420 GroLine Hydroponic Nutrients Monitor for pH, EC, TDS, and Temperature
HI98161 Professional Foodcare Portable pH Meter
HI98162 Professional Portable Milk pH Meter
HI98163 Professional Portable Meat pH Meter
HI98164 Professional Portable Yogurt pH Meter
