D. L. Osorio-Arrieta, S. Muñoz-Aguirre, G. Beltrán-Pérez, J. Castillo-Mixcóatl, J. Rivera de la Rosa
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Automation of a dynamic system to measure response of quartz crystal microbalance gas sensors
In the present work, automation of a dynamic system to measure response of gas sensors based on quartz crystal microbalance (QCM) is presented. Automation was used to study transient response, which is necessary for sensor characterization. A valves system, which controls the gas flow towards the sensor, was implemented to generate the step function. The system was fully automated by using a PIC16F877 microcontroller. Results of sensor response measurements are presented.