DESAIN DAN PERANCANGAN INSTRUMEN MONITORING KEKERUHAN AIR DENGAN SISTEM REAL TIME CLOCK (RTC)

Jurnal Kumparan Fisika Pub Date : 2022-05-09 DOI:10.33369/jkf.5.1.23-30

Refpo Rahman, Fades Br. Gultom

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Abstract

ABSTRAK Instrumen monitoring tingkat kekeruhan air dapat dirancang dengan Arduino Uno. Modul turbidity sensor dan modul RTC DS3231 digunakan untuk mengukur tingkat kekeruhan air secara real time yang hasil pengukuran tersimpan otomatis di dalam SD card. Instrumen tingkat kekeruhan air ini dapat digunakan dalam pengukuran tingkat kekeruhan air tanpa harus tersambung dengan sumber listrik PLN karena menggunakan baterai dengan kapasitas yang besar yaitu 2200 mAh. Berdasarkan desain yang telah dirancang, terdapat beberapa port pada instrumen seperti connector arduino ke PC, adabtor DC 12 V dan slot SD card. Terdapat dua langkah pengujian diterapkan antara lain pengujian alat untuk dikalibrasi dan pengujian tingkat kesalahan relatifnya. Berdasarkan hasil pengujian pertama diperoleh persamaan fungsi y = -104,17 x2 + 431,83x + 2 yang digunakan untuk kalibrasi alat sesuai dengan alat standar turbiditimeter 2100. Selanjutnya, melakukan perhitungan kesalahan relatif alat instrumen. Hasilnya, instrumen monitoring kekeruhan air ini dapat mengukur tingkat kekeruhan air pada rentang 50-500 NTU dengan tingkat kesalahan sebesar 1.67%. Kata kunci : Arduino Uno, DS3231, turbidity sensor, real time clock ABSTRACT The instrument for monitoring the level of water turbidity can be designed with the Arduino Uno. The turbidity sensor module and DS3231 RTC module are used to measure the turbidity level of the water in real time. The measurement results are stored automatically in the SD card. This water turbidity level instrument can be used in the field without having to be connected to a PLN electricity source because it uses a battery with a large capacity of 2200 mAh. Based on the design that has been designed, there are several ports on the instrument such as an Arduino to PC connector, adapter of 12 V DC and SD card slot. There are two testing steps applied, including testing to be calibrated and testing its relative error rate. Based on the results of the first test, the equation of the function y = -104.17 x2 + 431.83x + 2 is obtained which is used for calibration of the instrument according to the standard tool of turbiditimeter 2100. The second, calculate the relative error of the instrument. As a result, this water turbidity monitoring instrument can measure the level of water turbidity in the range of 50-500 NTU with an error rate of 1.67%. Keywords—Arduino Uno, turbidity sensor, real time clock, modul RTC DS3231

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可以使用阿都诺诺设计的抽象的水监测仪器。turbidity传感器模块和RTC DS3231模块被用来实时测量SD卡中自动存储的水密集度。这种水位浑浊的仪器可以在不与PLN电源连接的情况下使用，因为它使用的电池容量为2200 mAh。根据设计好的设计，像arduino connector to PC、直流稳定器12 V和SD卡插槽等工具上有多个端口。有两个应用步骤的测试包括对校准设备的测试和对相应错误水平的测试。根据最初的测试结果，方程得到了y = - 104.17 x2 + 431.83x + 2，用于按照标准2100变化米校准设备。接下来，计算仪器的相对误差。因此，这种监测水浑浊的仪器可以测量50-500 NTU范围内的水浑浊程度，误差高达1.67%。关键字:地震传感器模块和DS3231 RTC模块过去常常在实时测量动荡的水位。这笔赠款自动存储在SD卡上。这台水电水平的仪器可以在没有连接到电力资源的情况下使用，因为它使用的是2200电动机的电池。根据设计好的设计，计算机连接的工具上有许多空间，一个12台直流V和SD卡适配器。有两种测试步骤的申请，包括测试它的相关性误差。基于第一次测试的结果，计算的功能y = - 103.17 x2 + 431.8 - 3 + 2已确定第二，计算仪器的相关性错误。据建议，这些水turbidity仪器监测可以测量50-500平方英里范围内的水turbidity水平，误差为1.67%。Keywords——Arduino Uno, turbidity传感器，实时时钟，模块RTC DS3231

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Jurnal Kumparan Fisika

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