Hãng sản xuất: HANNA - ÝRangepH-2.00 to 16.00 pH ORP±699.9 mV; ±1999 mV Temperature-20.0 to 120.0°C / -4.0°F to 248.0°FResolutionpH0.01 pH ORP0.1 mV; 1 mV Temperature0.1°C / 0.1 °FAccuracy @ 20°CpH±0.01 pH ORP±0.2 mV; ±1 mV Temperature±0.4°C/±0.8°F ...