Microprocessor Based pH Meter with 16 X 2 Line Alphanumeric LCD has user friendly prompts which guide through out the measurement process. The pH Meter is a high performance microcontroller based system for accurate, reliable and precise pH, mV and temperature measurements. The pH Meter has auto buffer recognition facility and both auto and manual temperature compensation facility is available. Microprocessor Based pH Meter with 16 X 2 Line Alphanumeric LCD is strong and rigid in construction and requires minimal maintenance.