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All Journal Jurnal Instrumentasi dan Teknologi Informasi (JITI)
Rizki Nurhasan, Muhamad
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Computer Science & IT Electrical & Electronics Engineering Energy Engineering

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Analisis Perbedaan Pembacaan Kalibrator Temperatur dengan Drywell Menggunakan Uji Wilcoxon Choirunnisa, Anis; Kuswantori, Ari; Rizki Nurhasan, Muhamad; Putra, Hagi Sugara
Jurnal Instrumentasi dan Teknologi Informasi (JITI) Vol. 7 No. 1 (2025): November
Publisher : Prodi D3 Teknik Elektronika Politeknik Gajah Tunggal

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Abstract

The oven calibration process is a crucial step in ensuring the accuracy of temperature testing on tire components. At the PT XYZ DKM Plant, oven calibration is still performed externally due to the lack of a nine-point temperature calibrator compliant with AS 2853. This impacts calibration time and costs. Therefore, this study aims to design and analyze the performance of a nine-point temperature calibrator compared to the AIS-TCL-3 master temperature calibrator. The test was conducted at a temperature range of 30°C to 150°C with a minimum of 30 data points per point. The results were then analyzed using normality tests, Wilcoxon test, and Cohen's d test. The Wilcoxon test results showed no statistically significant differences between the designed instrument and the master instrument. Furthermore, all measurement values were within the ±1°C tolerance limit as per ASTM D1509-15 standard. This is supported by the Cohen's d value, which indicates a low to moderate difference in effect. Thus, the designed calibrator tool is declared suitable for use in internal calibration processes and can be an economical solution for the company.
Co-Authors Choirunnisa, Anis Kuswantori, Ari Putra, Hagi Sugara