Micro Controller based pH Meter is designed to function on a range of 14 pH mV at 1999mV to + 1999mV. The pH Meter operates on a power supply of 230 V &plusmin; 10%, 50 Hz AC. The pH Meter offers output through Serial RS 232. The Micro Controller based pH Meter is provided with standard accessories like pH Electrode, Electrode stand, Dust Cover, Instruction manual, buffer solutions and temperature probe.