Hãng sản xuất: HANNA - ÝRangepH-4.0 to 20.0 pH; -4.00 to 20.00 pH ORP±699.9; ±2000 mV Temperature-20.0 to 120.0°C (-4.0 to 248.0°F)ResolutionpH0.1 pH; 0.01 pH ORP0.1 mV (±699.9 mV); 1 mV (±2000) Temperature0.1°C (0.1°F)Accuracy @ 20°CpH±0.1 pH; ±0.01 ...