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Journal : Integrated Lab Journal

RANCANG BANGUN INSTRUMEN URINE ANALYZER SYSTEM BERBASIS RESISTANSI BAGI ANALISIS GANGGUAN FUNGSI GINJAL Frida Agung Rakhmadi; Karmanto Karmanto; Ika Nugraheni Ari Martiwi
Integrated Lab Journal Vol. 5 No. 1 (2017)
Publisher : UIN Sunan Kalijaga Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (531.579 KB) | DOI: 10.14421/ilj.2017.%x

Abstract

Penyakit gagal ginjal kronik merupakan keadaan klinis kerusakan ginjal yang progresif dan irreversibel yang berasal dari berbagai penyebab penyakit. Penyakit gagal ginjal kronik di Indonesia memiliki angka prevalensi yang sangat tinggi. Monitoring fungsi ginjal secara teratur  penting untuk pencegahan dan deteksi dini penyakit gagal ginjal kronik. Monitoring fungsi ginjal dapat dilakukan dengan metode urinalisis. Metode urinalisis yang umum digunakan saat ini adalah metode urinalisis secara kimiawi dan biologi. Penggunaan sensor sebagai instrument analisis urin untuk mendeteksi kesehatan ginjal memiliki potensi besar untuk diteliti dan dikembangkan mengingat keterbatasan-keterbatasan metode urinalisis secara kimiawi dan biologi yang ada saat ini, oleh karenanya penelitian ini difokuskan pada design atau rancang bangun sensor pembagi tegangan berbasis resitansi serta kajian sensitifitas dan presisi sensor. Secara garis besar penelitian rancang bangun instrumen urine analyzer system berbasis resistansi bagi keperluan analisis gangguan fungsi ginjal dilakukan dalam dua tahapan yakni tahap pembuatan sensor dan uji karakteristik sensor. Uji karakteristik sensor yang dilakukan berupa uji karakteristik statis yang meliputi fungsi transfer besarta faktor korelasinya, sensitifitas, akurasi, dan presisi. Berdasarkan hasil penelitian diketahui bahwa fungsi transfer dari sensor yang telah dibuat adalah eksponensial  dengan faktor korelasi (r) sebesar -0,942. Uji sensitifitas sensor menunjukan bahwa sensor memiliki sensitifitas sebesar -2,58 x 10-7 V/Ω dengan kategori baik, sedangkan uji presisi sensor menunjukan angka presisi 92,01%.
PROTOTIPE SISTEM PENGUKURAN LAJU KENDARAAN BERMOTOR SEBAGAI UPAYA PENGAWASAN TERHADAP PELANGGARAN RAMBU-RAMBU LALU LINTAS Nandang Kuswandi; Frida Agung Rakhmadi
Integrated Lab Journal Vol. 5 No. 1 (2017)
Publisher : UIN Sunan Kalijaga Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (548.204 KB) | DOI: 10.14421/ilj.2017.%x

Abstract

The research on measure system prototype of speed motor vehicle measurement system as surveillance effort of infringement on traffic signs has been done. The research aimed to create a prototype a speed measurement system that can be applied to measure the speed of vehicles on the road. Phases of the research contains of making prototypes which includes the manufacture of hardware and software, prototype testing which consists of a characterization of the output voltage of detector, test of accuracy and precision, and data processing test results. The test results of the output voltage detector readings obtained from ADC value mikrokontoler Arduino Uno. ADC value when conditions hindered was ≥ 813 and when the detector was exposed to laser light was ≤ 91. Meanwhile, the accuracy of test results on the prototype obtained a value of 99.938% and a precision test of 95%.
EVALUASI AKURASI DAN PRESISI RESONATOR HELHOLTZ PADA LABORATORIUM FISIKA UIN SUNAN KALIJAGA Frida Agung Rakhmadi; Dyah Imas Cholidina; Ayu Sakila Arum; Defanny Defanny; Cindy Septiani S; Ade Kurniawan; Agung Nugroho
Integrated Lab Journal Vol. 8 No. 1 (2020)
Publisher : UIN Sunan Kalijaga Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/ilj.2020.080105

Abstract

Research on the accuracy and precision of the Helmholtz resonator evaluation at UIN Sunan Kalijaga physics laboratory has been conducted. This research is motivated by the absence of evaluation research on this tool since its arrival in 2008. This research was conducted in 3 stages, namely the preparation of tools and materials, data collection, and data processing. The results of this study provide information that the accuracy of the Helmholtz resonator in the UIN Sunan Kalijaga physics laboratory has decreased. The accuracy is still in the good category, even though it is under SNI and SI. While the precision is still very good and still meets SNI and SI.