8 in1 WIFI Smart Monitor Fish Tank Pool Water Quality Meter PH ORP EC PPM Tester

ORP: -2000mV ～ 2000mV. TDS:1ppm(<1999ppm) 10ppm(>1999ppm) 0.1ppt. SALT:1ppm(<1999ppm) 10ppm(>1999ppm)0.1ppt 0.01%. EC: 0-19000us/cm 0-199.0ms/cm. EC: 1us/cm(<1999us/cm) 10us/cm(>1999us/cm). Range：pH: 0.00 ～ 14.00pH.

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