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INDONESIA
Jurnal Standardisasi
Published by Badan Standardisasi Nasional
ISSN : -     EISSN : 23375833     DOI : 10.31153
Core Subject : Economy, Education, Social, Engineering,
Economics, Econometrics & Finance Engineering Industrial & Manufacturing Engineering Social Sciences Other
Jurnal Standarisasi (hence JS) is a journal aims to be a leading peer-reviewed platform and an authoritative source of information. We publish original study or research papers focused on standardization policies, development of standards, harmonization of standards, implementation of standards (accreditation, certification, testing, metrology, technical inspection, pre and post market supervision, socio-economic impacts, etc.), standardization of standards, technical regulations, and aspects related to standardization that has neither been published elsewhere in any language, nor is it under review for publication anywhere.
Arjuna Subject : Umum - Umum
Articles 5 Documents
 1 
Search results for , issue "Vol 21, No 3 (2019)" : 5 Documents clear
AN EARLY VALIDATION OF IMAGE PROCESSING TECHNIQUE FOR FLATNESS MEASUREMENT Rima Zuriah Amdani; Eka Pratiwi; Nadya Larasati kartika; Muhammad Azzumar
JURNAL STANDARDISASI Vol 21, No 3 (2019)
Publisher : Badan Standardisasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31153/js.v21i3.778

Abstract

An experimental validation of flatness measurement based on image processing technique has been performed.  The purpose of this study is to know the performance of the image processing technique in the flatness measurement. In addition, this technique will be used as development of current measurement technique that is performed manually. The advantage of using this method is that in the future the measurement system will run semi-automatically, so it can increase the capacity. This study is used 3 samples of optical flat with different in diameter (i.e. 25 mm, 45 mm, and 75 mm). The validation has been performed by comparing measurement results of the image processing technique and the manual technique through degree of equivalence evaluation. The error numbers based on the degree of equivalence criteria between the image processing technique and the manual technique for the flatness measurement of 25 mm, 45 mm, and 75 mm are 0.02, 0.09, and 0.11 respectively. According to those error numbers, the image processing technique measurement results is in agreement with the manual technique. Moreover, those results have validated that the image processing technique has good performance and can potentially be implemented to the flatness measurement.
A METHOD FOR CALIBRATING 10-TURN AND 50-TURN CURRENT COIL USING MULTIPRODUCT CALIBRATOR Hayati Amalia; Agah Faisal
JURNAL STANDARDISASI Vol 21, No 3 (2019)
Publisher : Badan Standardisasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31153/js.v21i3.749

Abstract

This paper presents a traceable measurement method developed in the Laboratory of National Measurement Standards for Electricity and Time (NMS Lab for Electricity and Time) - National Standardization Agency of Indonesia for calibrating current coil in order to obtain correction and uncertainty estimation of the current coil windings number (N). Current coils as objects of this research were 10-turn and 50-turn current coil. Calibration was performed using standard multiproduct calibrator (MPC) and two auxiliary devices, current coil F-5500 and clamp meter F-337. Correction and uncertainty values of N current coil were evaluated for DC and AC supplied current using formulation developed based on principle of current division between current coil output and supplied current from MPC. Based on evaluation result analysis, the expanded uncertainties of this method span from 0.47% to 1.0% (when supplied by DC current) and from 0.57% to 1.1% (when supplied by AC current) for 10-turn current coil, and span from 0.44% to 0.65% (when supplied by DC current) and from 0.54% to 0.96% (when supplied by AC current) for 50-turn current coil. Moreover, it also showed that the largest uncertainty component came from current coil F-5500. Meanwhile, the largest correction for 10-turn current coil was obtained 1.2% at 10 A DC, and for 50-turn current coil was obtained -0.47% at 700 A AC. Verification of the calibration and evaluation methods had also been carried out and it indicated that the calibration and analysis methods developed can be used to examine the performance of the current coil.
COMPARISON OF K-TYPE AND T-TYPE THERMOCOUPLES FOR STABILITY AND UNIFORMITY OF INFANT INCUBATOR TEMPERATURE TESTING BASED ON IEC 60601-2-19 Nurdina Gita Pratiwi; Siddiq Wahyu Hidayat; Wuwus Ardiatna; Chery Chaen Putri
JURNAL STANDARDISASI Vol 21, No 3 (2019)
Publisher : Badan Standardisasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31153/js.v21i3.791

Abstract

Infant incubator is one of the most important medical devices for newborn survival, especially preterm. However, aside from its benefits, some irregularities can be found on the devices that could lead to infant mortality, such as temperature deviations. The problem can be minimized by testing the infant incubator temperature parameter in accordance with IEC 60601-2-19 standard. However, there are various types of temperature sensors for related tests. Therefore K-Type and T-Type Thermocouples are compared in order to provide recommendations for infant incubator testing. The measurement technique used were referred to the instructions stated in IEC 60601-2-19 sub-clause Stability (with tolerance ±0.5oC) and sub-clause Uniformity (with tolerance ±0.8oC). For K-type thermocouples, the highest stability results at 32oC is -0.2oC and at 36oC is -0.4oC, while the highest uniformity results at 32oC is -0.1oC and at 36oC is -1.6oC, with the uncertainty of 1.7oC. For T-type thermocouples, the highest stability results at 32oC is 0.4oC and at 36oC is -0.4oC, while the highest uniformity results at 32oC is 0.7oC and at 36oC is 0.8oC, with the uncertainty of 0.3oC. The results of the independent t-test showed a different average, where the T-type thermocouples was higher than the K-type thermocouples. In other words, T-type thermocouples could be recommended for infant incubators testing.
DESIGN AND CHARACTERIZATION OF SPIN COATER TO SUPPORT NATIONAL SEMICONDUCTOR INDUSTRY Ardi Rahman; Okasatria Novyanto; Nurul Alfiyati; Ahmad Sidik; Irman Idris; Asep Ridwan Nugraha
JURNAL STANDARDISASI Vol 21, No 3 (2019)
Publisher : Badan Standardisasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31153/js.v21i3.761

Abstract

Recently, semiconductor industry grows rapidly due to high demand of modern electronic system. In addition, the value of investments in Indonesia electronic industries also more than doubled during 2015-2017. This increase in investment will certainly have an impact on the increasing the needs for electronic / semiconductor component processing machines. To support it, well performed spin coater then were designed. The characterization of spin coating process was done at BSN (formerly was known as Research Center for Metrology LIPI) using roughness measuring instrument/ profilometer that traceable to PTB (Germany) to guarantee the validity of the measurement results. Characterization experiment used positive photoresist SPR3018 to see the performance of system designed. Three different experiments were performed to determine the impact of spin speed and spin time to photoresist thickness and uniformity. The characterization shown that on spin speed increased, the photoresist was deployed thinner. The thickness of the photoresist is inversely proportional to the square root of spin speed. Furthermore, the longer spin coating time, it increases the tendency of concave surface. This work is expected to benefit the practitioners of electronic systems, semiconductor industries, and even SNI conceptors.
REALIZATION OF TOTAL HARMONIC DISTORTION MEASUREMENT OF ACOUSTIC SOURCE SIGNAL SYSTEM FOR FREQUENCY OF 125 HZ AND 1000 HZ Bondan Dwisetyo; Denny Hermawanto; Dodi Rusjadi; Chery Chaen Putri; Maharani Ratna Palupi; Fajar Budi Utomo
JURNAL STANDARDISASI Vol 21, No 3 (2019)
Publisher : Badan Standardisasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31153/js.v21i3.794

Abstract

The measurement of total harmonic distortion (THD) of an acoustic source signal system has carried out in Laboratory Acoustics and Vibration, Sub-directorate of National Measurement Standards for Acoustics and Vibration - BSN. The aim of this research is, therefore, to measure and analize the THD values that produced by the system that consists of a signal generator, a power amplifier, and a passive loudspeaker with fundamental frequencies of 125 Hz and 1000 Hz. This measurement should be implemented because it has never been performed in this laboratory. Moreover, this system always be used for either calibration or measurement of acoustical instruments such as sound level meter and noise dosimeter. The method used to measure THD is a free field method using a full anechoic chamber with narrow band analysis. Measurand to determine THD is sound pressure level (SPL) with output of loudspeaker are 94 dB, 104 dB, and 114 dB. From result of measurement was found THD value of fundamental frequencies of 125 Hz and 1000 Hz. For the former frequency, the maximum THD was found at SPL of 94 dB where its value was 1,86 %. Meanwhile the later, the maximum value of THD was 1,94 % also at SPL 94 of dB. The results of this measurement can be used into uncertainty budget for either calibration or testing of acoustical instruments, and also support for validation of calibration of noise dosimeter based on percentage of noise exposure dose using acoustic comparison coupler that still under research and development in this year.

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