Kajian Ketidakpastian Pengukuran Suhu dan Kelembaban Udara pada Sensor DHT22 Berbasis Arduino Uno

Authors

  • Trias Prima Satya Departemen Teknik Elektro dan Informatika, Sekolah Vokasi, Universitas Gadjah Mada, Yogyakarta 55281
  • Fitri Puspasari Departemen Teknik Elektro dan Informatika, Sekolah Vokasi, Universitas Gadjah Mada, Yogyakarta 55281

DOI:

https://doi.org/10.25077/jif.11.2.102-110.2019

Abstract

Telah dilakukan penelitian tentang kajian ketidakpastian pengukuran suhu dan kelembaban
udara pada sensor DHT22 berbasis Arduino Uno. Tujuan dari penelitian ini adalah merancang termohigrometer dengan menggunakan sensor DHT22 berbasis Arduino Uno dan mengetahui validitas hasil ukur instrumen yang dibuat tersebut. Metode yang digunakan dalam penelitian ini terdiri dari tiga tahap yaitu perancangan perangkat keras, perancangan perangkat lunak, dan pengujian sistem. Pengujian dilakukan dengan menganalisis nilai ketidakpastian dan galat hasil ukurnya pada suhu ruangan. Hasil penelitian ini menunjukkan bahwa termohigrometer yang diuji pada suhu 25°C menunjukkan hasil ukur (24,73 ± 0,33) °C dengan galat 1,34% untuk uji suhu,
dan (48,16 ± 1,31) % dengan galat 2,72% untuk uji kelembaban udara. Sedangkan pada suhu ruangan 28°C menunjukkan hasil ukur (28,22 ± 0,33) °C dengan galat 1,12% untuk uji suhu, dan (42,59 ± 1,31)% dengan galat 3,07% untuk uji kelembaban udara. Hasil analisis ketidakpastian menunjukkan bahwa instrumen yang diuji telah sesuai dengan standar pada sheet data sensor DHT22.

Kata kunci: Arduino Uno, DHT22, galat, ketidakpastian, sensor

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Published

2019-09-23

How to Cite

Satya, T. P., & Puspasari, F. (2019). Kajian Ketidakpastian Pengukuran Suhu dan Kelembaban Udara pada Sensor DHT22 Berbasis Arduino Uno. JURNAL ILMU FISIKA | UNIVERSITAS ANDALAS, 11(2), 102–110. https://doi.org/10.25077/jif.11.2.102-110.2019

Issue

Vol. 11 No. 2 (2019): September 2019

Section

Research Article

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