Calibration Method for Capacitive Silver Sensor Based on ATmega328 Microcontroller as a Membrane Potential Difference Measuring Instrument

Abstract

In making a measuring instrument, especially an electronics-based measuring instrument, it is necessary to calibrate the instrument made with a standard instrument while also knowing its measurement characteristics. In this study, a potential difference measuring instrument that was made using a silver capacitive sensor based on an ATmega328 microcontroller was calibrated using a standard reference electrode, namely Hanna HI 5414. The instrument was tested using a chitosan membrane and KCl solution. From the sensor calibration, an equation was found, namely Y = 0.9935 X + 0.0001 and has been converted to the ATmega328 microcontroller. The test results show that the accuracy of the measuring instrument reaches 99.82% with a measurement time of ± 3900 s faster than the standard instrument.

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References

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Published
2024-08-28
How to Cite
MAHENDRA PUTRA, A. A. N. Surya; RUPIASIH, Ni Nyoman; SUPARDI, I Wayan. Calibration Method for Capacitive Silver Sensor Based on ATmega328 Microcontroller as a Membrane Potential Difference Measuring Instrument. BULETIN FISIKA, [S.l.], v. 25, n. 2, p. 229 – 234, aug. 2024. ISSN 2580-9733. Available at: <https://ojs.unud.ac.id/index.php/buletinfisika/article/view/104954>. Date accessed: 23 nov. 2024. doi: https://doi.org/10.24843/BF.2024.v25.i02.p11.