Resolución pH 0.1 pH; 0.01 pH; 0.001 pH Resolución ISE & ORP 0.1 mV (±999.9 mV); 1 mV (± 2000 mV) Resolución EC 0.01 µs/cm; 0.1 µs/cm; 1 µs/cm; 0.01 ms/cm; 0.1 ms/cm Resolución TDS 0.01 ppm;