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Nurcahyono, Dinar
Pusat Penelitian Metrologi-LIPI
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Quality Assurance on Force Measurement of 1 MN Lever-Type Force Standard Machine Through System Check hafid hafid; Dinar Nurcahyono
Instrumentasi Vol 43, No 1 (2019)
Publisher : LIPI Press, Anggota IKAPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31153/instrumentasi.v43i1.160

Abstract

Abstract— The 1 MN lever-type force standard machine operated by Research Center for Metrology Indonesian Institute of Sciences (RCM-LIPI) is the national standard for calibration of force measuring instruments from 2 kN to 1 MN measurement range. One of the assurances to ensure that the machine works well is through a system check. System check is carry out by comparing the force value generated by the machine to the force generated by the deadweight at capacity of 10 kN and 20 kN. In this paper, data is collected from the system check results from 2007 to 2016. Data processing is carried out by comparing the result and examining the variants similarities. Results showed that the |En| number results for all data spread from 0.00 to 0.91 with average 0.35 and variance of the system check results has variants similarities based on Fisher-test. These results indicate that the 1 MN lever-type force standard machine still has a good performance.
EVALUASI MESIN STANDAR TORSI NASIONAL PUSLIT METROLOGI - LIPI PADA RENTANG UKUR 5 N∙M – 50 N∙M Dinar Nurcahyono; Hafid Hafid; Koji Ogushi; Atsuhiro Nishino
Instrumentasi Vol 40, No 2 (2016)
Publisher : LIPI Press, Anggota IKAPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/instrumentasi.v40i2.139

Abstract

Evaluasi terhadap mesin standar torsi Puslit Metrologi–LIPI pada rentang 5–50 N∙m telah dilakukan dengan melakukan uji banding secara bilateral dengan National Metrology Institute of Japan (NMIJ). Uji banding ini dilakukan pada sepuluh titik ukur dari 5–50 N∙m untuk torsi searah jarum jam dan berlawanan arah jarum jam dengan menggunakan torque transducer sebagai artefak. Tujuan dari uji banding ini adalah untuk mengevaluasi ketidakpastian mesin standar torsi deadweight Puslit Metrologi pada rentang 5–50 N∙m yang ditetapkan sebesar 0,04 %. Hasil uji banding menunjukkan kesesuaian hasil pengukuran Puslit Metrologi dengan hasil pengukuran NMIJ dengan |En| terbesar untuk torsi searah jarum jam adalah 0,17 dan untuk torsi berlawanan arah jarum jam adalah 0,26.
Co-Authors Atsuhiro Nishino hafid hafid Hafid, Hafid Koji Ogushi Nishino, Atsuhiro Ogushi, Koji