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primary topic: RANCANG BANGUN ALAT UKUR KADAR ALKOHOL MENGGUNAKAN SENSOR OPTIK BERBASIS HUKUM BEER-LAMBERT

RANCANG BANGUN ALAT UKUR KADAR ALKOHOL MENGGUNAKAN SENSOR OPTIK BERBASIS HUKUM BEER-LAMBERT
type: Thesis
type: Article
abstract: This research aims to design and develop an alcohol concentration measuring device based on optical sensors using the principle of the Beer-Lambert law. The problems found in conventional alcohol measurement methods which tend to be time-consuming, costly, and require specialized expertise form the basis for conducting this study. The Beer-Lambert law states that light absorbance is directly proportional to the concentration of a substance in a solution, which can be utilized as the fundamental principle for designing an alcohol concentration measuring instrument. The developed device consists of five main subsystems: an input subsystem using a UV LED as the light source, a sensor subsystem using a photodiode to detect light intensity, a microcontroller subsystem using Arduino Nano for reading and Arduino IDE for data processing, a data display subsystem using an I2C LCD, and a data processing subsystem based on Microsoft Excel. The method used in absorbance data processing is based on the Beer-Lambert law, with a linear regression approach between absorbance values and alcohol concentration. The design results show that the system is capable of detecting changes in light intensity linearly with respect to the alcohol concentration in the sample. The resulting standard curve produces the regression equation: % alcohol concentration = 0.0333A + 0.01, where A is the absorbance, and it indicates that the device has a high sensitivity to variations in alcohol levels. Instrument testing showed very satisfactory results, with a linearity value of 0.9741, an accuracy of 99.50%, and a repeatability precision of 99.96%, which exceed the minimum thresholds set by the SNI ISO 17025:2017 standard. This proves that the developed alcohol concentration measuring device is not only accurate and precise but also stable and feasible to be used as an alternative measurement tool in scientific and industrial applications. Overall, this research demonstrates that an approach based on th…
date: 2025-05-07
status: published
author list: authors
type: EPrint
type: ThesisEPrint
is part of: repository
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RANCANG BANGUN ALAT UKUR KADAR ALKOHOL MENGGUNAKAN SENSOR OPTIK BERBASIS HUKUM BEER-LAMBERT (Text)
type: Document
has file: 21106020014_BAB-I_IV-atau-V_DAFTAR-PUSTAKA.pdf
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RANCANG BANGUN ALAT UKUR KADAR ALKOHOL MENGGUNAKAN SENSOR OPTIK BERBASIS HUKUM BEER-LAMBERT (Text)
type: Document

UIN SUNAN KALIJAGA YOGYAKARTA
type: Organization

FAKULTAS SAINS DAN TEKNOLOGI, UIN SUNAN KALIJAGA YOGYAKARTA
type: Organization

NIM.: 21106020014 Nurul Dwi Hastuti
type: Person
given name: NIM.: 21106020014
family name: Nurul Dwi Hastuti

RANCANG BANGUN ALAT UKUR KADAR ALKOHOL MENGGUNAKAN SENSOR OPTIK BERBASIS HUKUM BEER-LAMBERT (Other)
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RANCANG BANGUN ALAT UKUR KADAR ALKOHOL MENGGUNAKAN SENSOR OPTIK BERBASIS HUKUM BEER-LAMBERT (Other)
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RANCANG BANGUN ALAT UKUR KADAR ALKOHOL MENGGUNAKAN SENSOR OPTIK BERBASIS HUKUM BEER-LAMBERT (Other)
type: Document
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RANCANG BANGUN ALAT UKUR KADAR ALKOHOL MENGGUNAKAN SENSOR OPTIK BERBASIS HUKUM BEER-LAMBERT (Other)
type: Document
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RANCANG BANGUN ALAT UKUR KADAR ALKOHOL MENGGUNAKAN SENSOR OPTIK BERBASIS HUKUM BEER-LAMBERT (Other)
type: Document
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is volatile version of: RANCANG BANGUN ALAT UKUR KADAR ALKOHOL MENGGUNAKAN SENSOR OPTIK BERBASIS HUKUM BEER-LAMBERT (Text)
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RANCANG BANGUN ALAT UKUR KADAR ALKOHOL MENGGUNAKAN SENSOR OPTIK BERBASIS HUKUM BEER-LAMBERT (Other)
type: Document
is version of: RANCANG BANGUN ALAT UKUR KADAR ALKOHOL MENGGUNAKAN SENSOR OPTIK BERBASIS HUKUM BEER-LAMBERT (Text)
is volatile version of: RANCANG BANGUN ALAT UKUR KADAR ALKOHOL MENGGUNAKAN SENSOR OPTIK BERBASIS HUKUM BEER-LAMBERT (Text)
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RANCANG BANGUN ALAT UKUR KADAR ALKOHOL MENGGUNAKAN SENSOR OPTIK BERBASIS HUKUM BEER-LAMBERT (Other)
type: Document
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RANCANG BANGUN ALAT UKUR KADAR ALKOHOL MENGGUNAKAN SENSOR OPTIK BERBASIS HUKUM BEER-LAMBERT (Other)
type: Document
is version of: RANCANG BANGUN ALAT UKUR KADAR ALKOHOL MENGGUNAKAN SENSOR OPTIK BERBASIS HUKUM BEER-LAMBERT (Text)
is volatile version of: RANCANG BANGUN ALAT UKUR KADAR ALKOHOL MENGGUNAKAN SENSOR OPTIK BERBASIS HUKUM BEER-LAMBERT (Text)
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530 Fisika
type: Concept