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Gianto
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Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Engineering Industrial & Manufacturing Engineering Social Sciences Other

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Rancang Bangun Prototipe Pemantau Temperatur Ruang Penyimpanan Anak Timbangan Standar di Unit Metrologi Legal Kabupaten Bandung Barat Firmansyah, Vera; Nuriska, Fanny; Mulyana, Teddy; Firmansyah, Dudi Adi; Yasri, Budi; Muslim, Azis; Gianto; Gunawan T.W, Nandang; Sutanto, Willi
Cendekia Niaga Vol 8 No 2 (2024): Jurnal Cendekia Niaga : Trade and Development Studies
Publisher : Pusat Pendidikan dan Pelatihan Aparatur Perdagangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52391/jcn.v8i2.890

Abstract

The Legal Metrology Unit (UML) is a unit that carries out metrological activities in the Regency/City. UML has a vital role in achieving a well-measured market. These metrological activities include calibration and re-calibration and metrological supervision activities. One of UML's efforts to support these activities is to maintain the working standards it has, in this case, reference weights. In addition to purchasing existing measuring instruments with four sensors at once being very expensive, prototyping is the leading choice because it can be developed according to needs. This study created a prototype for monitoring the room conditions of the reference weight storage cabinet. This prototype uses four sensors integrated with a microcontroller to measure temperature simultaneously. The testing process for the prototype began with testing the temperature sensor with a standard thermocouple and water bath. Furthermore, the prototype will be tested with a standard thermohygrometer measuring instrument. The test results of the prototype for accuracy have a range of 94%-98%, precision of 97%-98%, and an error of 2%-4%. Meanwhile, the results of the measurement uncertainty of the prototype for the morning are by the provisions in the range of 0.37 °C-0.46 °C, and in the afternoon, they do not comply with the requirements, namely in the range of 0.38°C-0.61 °C.
Rancang Bangun Prototipe Pemantau Temperatur Ruang Penyimpanan Anak Timbangan Standar di Unit Metrologi Legal Kabupaten Bandung Barat Firmansyah, Vera; Nuriska, Fanny; Mulyana, Teddy; Firmansyah, Dudi Adi; Yasri, Budi; Muslim, Azis; Gianto; Gunawan T.W, Nandang; Sutanto, Willi
Cendekia Niaga Vol. 8 No. 2 (2024): Jurnal Cendekia Niaga : Trade and Development Studies
Publisher : Pusat Pengembangan Kompetensi Aparatur Perdagangan

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The Legal Metrology Unit (UML) is a unit that carries out metrological activities in the Regency/City. UML has a vital role in achieving a well-measured market. These metrological activities include calibration and re-calibration and metrological supervision activities. One of UML's efforts to support these activities is to maintain the working standards it has, in this case, reference weights. In addition to purchasing existing measuring instruments with four sensors at once being very expensive, prototyping is the leading choice because it can be developed according to needs. This study created a prototype for monitoring the room conditions of the reference weight storage cabinet. This prototype uses four sensors integrated with a microcontroller to measure temperature simultaneously. The testing process for the prototype began with testing the temperature sensor with a standard thermocouple and water bath. Furthermore, the prototype will be tested with a standard thermohygrometer measuring instrument. The test results of the prototype for accuracy have a range of 94%-98%, precision of 97%-98%, and an error of 2%-4%. Meanwhile, the results of the measurement uncertainty of the prototype for the morning are by the provisions in the range of 0.37 °C-0.46 °C, and in the afternoon, they do not comply with the requirements, namely in the range of 0.38°C-0.61 °C.
Sistem Pemindaian Diameter Dalam Tangki Silinder Tegak Berbasis Ultrasound Ranging sutanto, willi; Suprijanto; Juliastuti, Endang; Prihensa, Herfin Yienda; Gianto
Jurnal Otomasi Kontrol dan Instrumentasi Vol 14 No 2 (2022): Jurnal Otomasi Kontrol dan Instrumentasi
Publisher : Pusat Teknologi Instrumentasi dan Otomasi (PTIO) - Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/joki.2022.14.2.4

Abstract

Upright Cylindrical Fixed Measuring Tank (TUTSIT) is commonly used to store liquids of high economic value. TUTSIT needs to be calibrated periodically. For TUTSIT inner diameter scanning, a prototype ultrasound-based (US) ranging distance scanner has been developed with 3 US transducers with a frequency of 42kHz. For TUTSIT diameter scanning, two US transducers are mounted in a mechanical system that rotates 360o automatically and continuously. To determine the altitude position during scanning, one US transducer is mounted vertically facing vertically down on a tripod supporting the scanner's mechanical system. The scanner system was tested on a 75 kL capacity TUTSIT on course II of the 4 courses in the tank. The scanned data, which came from cloud points from course II, were pre-processed to be cleaned of outliers. The test results show that the system has functioned properly to measure the inner diameter of the tank at a height of 227 cm, 253 cm, and 261 cm. The scanning measurement error at a height of 227 cm and 253 cm is ±0.5% while at a height of 261 cm, the measurement error is about ±2.3%. The flatness of the prototype position greatly affects the accuracy of the diameter measurement, as can be seen from the measurement error at a height of 227 cm and 253 cm which is better than the measurement at a height of 261 cm, which does not pay attention to the flatness of the prototype position.
Co-Authors Azis Muslim, Azis Endang Juliastuti Firmansyah, Dudi Adi FIRMANSYAH, VERA Gunawan T.W, Nandang Mulyana, Teddy Nuriska, Fanny Prihensa, Herfin Yienda Suprijanto Sutanto, Willi Yasri, Budi