Volume 19 Number 2 (2024)
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JSW 2024 Vol.19(2): 64-78
doi: 10.17706/jsw.19.2.64-78

RML++: Development of Calibration Management System for Regional Metrology Laboratory Dost- Calabarzon, Philippines

Jefferson L. Lerios 1,*, Rogerson A. Esmeria 1, Joel M. Bawica 1,2
1. Laguna State Polytechnic University, Malinta, Los Banos, Laguna, Philippines
2. Department of Science and Technology (DOST)−Region 4, Jamboree Rd, Los Baños, Laguna, Philippines
* Corresponding author., Email: jeffersonlerios@yahoo.com (J.L.L.)

Manuscript submitted December10, 2023; revised January 8, 2024; published June 12, 2024.


Abstract—The Regional Metrology Laboratory is the lone government institution that provides calibration services in Region IV-A or in CALABARZON. RML's objective is to guarantee the safety and fair trade of both local and international markets by calibrating measuring devices and instruments used by industry and the general public. RML is also ISO/IEC 17025 certified, demonstrating that its calibration services meet the international standard for testing and calibration laboratories. However, the complexity of the preparation of calibration certificates with the increasing number of clienteles becomes the bottleneck and cause of delay in the release of certificates. RML ++ is a system which is a management software solution that optimizes the processing of documentary requirements, from the receipt of customers' measuring devices and instruments to the issuance of calibration certificates. The system was developed using the Model-Driven Architecture (MDA) that is built on the principle of abstraction, modelling reuse, and patterns to help understand standard referencing and all the mathematical calculations of the three (3) calibration certificates namely the Single Range Electronic Balance, Thermohygrometer, and Test Weights. RML ++ was able to reduce the processing time of the calibration certificates from encoding to releasing with a systematic process of the mathematical calculation of uncertainty and selection of standards.

Keywords—Calibration management system, single range electronic balance, thermohygrometer, test weights

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Cite: Jefferson L. Lerios, Rogerson A. Esmeria, Joel M. Bawica, "RML++: Development of Calibration Management System for Regional Metrology Laboratory Dost- Calabarzon, Philippines," Journal of Software, vol. 19, no. 2, pp. 64-78, 2024.


Copyright @ 2024 by the authors. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0)


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  • ISSN: 1796-217X (Online)
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  • Editor-in-Chief: Prof. Antanas Verikas
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