De Lucena, Samuel E. [UNESP]2014-05-272014-05-272006-12-0118th IMEKO World Congress 2006: Metrology for a Sustainable Development, v. 3, p. 1927-1930.http://hdl.handle.net/11449/69359This paperwork presents the complete circuitry used to build a microcontroller-based pH-meter. Key control software is also discussed. An industry-standard glass combination electrode has been employed for pH detection. Electrode parameter extraction procedure is presented. Good measurement results, with 1 % error, have been attained. Copyright© (2006) by the International Measurement Federation (IMEKO).1927-1930engPH electrodesPH measurementPH-meterKey controlMeasurement resultsMicrocontroller-basedpH detectionpH ElectrodePH measurementsGlass industryParameter extractionPlanningSustainable developmentUnits of measurementpH effectsTrabalho apresentado em eventoAcesso aberto2-s2.0-84877755787