The National Institute of Metrology (Thailand) (NIMT) congratulates the Office of Atoms for Peace (OAP), Thailand’s Designated Institute in ionizing radiation, on its official acceptance as a member of Section I “Dosimetry” of the Consultative Committee for Ionizing Radiation (CCRI).

The 2025 meeting of CCRI Section I “Dosimetry” was held in Minamisoma City, Fukushima Prefecture, Japan, during 17–18 September 2025. The meeting was hosted with the support of the Fukushima Institute for Research Education and Innovation (F-REI) and the National Metrology Institute of Japan (NMIJ). Approximately 50 participants, including 10 online attendees, convened to review the current status of dosimetry worldwide and to discuss future technical developments in ionizing radiation metrology.

During the meeting, the Committee officially welcomed two new members: OAP (Thailand) and FANR (United Arab Emirates). The inclusion of OAP as a member of CCRI Section I reflects Thailand’s strengthened technical capabilities and international recognition in the field of radiation dosimetry. OAP’s presentation to the Committee further demonstrated the country’s commitment to advancing measurement standards in ionizing radiation and contributing actively to the global metrology community.

As Thailand’s National Metrology Institute, NIMT expresses its sincere congratulations to OAP on this important milestone. OAP’s membership in CCRI Section I enhances Thailand’s visibility and role in the international metrology system, reinforces national measurement infrastructure, and supports the country’s continued development in radiation protection, medical dosimetry, and nuclear applications.

This achievement marks another significant step in strengthening Thailand’s position within the international metrology framework and promoting excellence in ionizing radiation measurements for the benefit of society and industry.

The National Institute of Metrology (Thailand) (NIMT) has the honor of welcoming distinguished representatives from the International Institute of Acoustics and Vibration (IIAV) on 6 February 2026 for discussions regarding the potential hosting of the International Congress on Sound and Vibration (ICSV) 2027 in Thailand.

On this occasion, Pol. Lt. Gen. Pornchai Suteerakune, Director of NIMT, together with Mr. Anusorn Tonmueanwai, Deputy Director, and NIMT team, warmly received Dr. Malcolm J. Crocker, Executive Director of the International Institute of Acoustics and Vibration (IIAV), and Mr. Michel Rosmolen, Section Director for Southeast Asia.

The meeting focused on preparations and collaborative planning for organizing ICSV 2027 in Thailand. The International Congress on Sound and Vibration (ICSV) is a prestigious global conference that brings together leading experts, researchers, and professionals in the fields of acoustics and vibration from around the world.

NIMT expressed its strong willingness to serve as the host of ICSV 2027 and looks forward to welcoming participants from across the globe to Thailand for this important international event.

The visit reflects Thailand’s strong commitment and readiness to strengthen international collaboration in acoustics and vibration, while further enhancing the country’s role in the world metrology and scientific community.

The National Institute of Metrology (Thailand) (NIMT) is honored to welcome Mr. Taichi Yamazaki, Senior Researcher of the Organic Standards Group, Research Institute for Material and Chemical Measurement, National Metrology Institute of Japan (NMIJ), who is serving as a technical expert at NIMT from 3–13 February 2026.

Mr. Yamazaki was invited as a specialist in quantitative Nuclear Magnetic Resonance (qNMR) to provide technical consultation on the evaluation of organic compound purity using qNMR techniques. As a primary measurement method in chemical metrology, qNMR enables the direct determination of purity and content without the need for compound-specific reference standards, while requiring only small sample quantities.

His visit is expected to strengthen the technical capabilities of NIMT metrologists, support the development of new measurement services, and enhance the production of certified reference materials for high-purity substances — including important herbal compounds and controlled substances. This collaboration will contribute to reducing Thailand’s dependence on costly imported reference materials.

NIMT sincerely appreciates Mr. Yamazaki’s valuable expertise and looks forward to continued cooperation with NMIJ in advancing chemical metrology.

The National Institute of Metrology (Thailand) (NIMT) further strengthened international cooperation in metrology by conducting training in Acoustics and Vibration for the Uzbek National Institute of Metrology (UzNIM) during 26–30 January 2026 at UzNIM, Republic of Uzbekistan.

In the field of Acoustics, Ms. Panisara Kongthavorn delivered an intensive technical training program covering the calibration of sound level meters and sound calibrators, microphone calibration, and the evaluation of anechoic chambers. The training emphasized both acoustic and electrical characteristics, with detailed reviews of UzNIM’s existing calibration procedures, discussions on measurement uncertainty budgets, and alignment with international standards. Particular attention was given to free-field microphone sensitivity calibration using comparison methods, as well as the assessment and measurement systems of UzNIM’s anechoic chamber.

Concurrently, Mr. Pairoj Rattanangkul conducted Vibration Metrology Training, focusing on the transfer of vibration magnitude values from primary to secondary standards. The program addressed primary vibration calibration using laser vibrometers, secondary vibration calibration in accordance with ISO 16063-21, calibration of conditioning amplifiers, and vibration exciter calibration following ISO 16063-44. Comprehensive sessions on uncertainty evaluation, calibration reporting, and traceability statements were also provided, ensuring that participants could confidently apply the methodologies within their laboratories.

This training activity was implemented under the Physikalisch-Technische Bundesanstalt (PTB) project “Supporting the Reform of the National Quality Infrastructure in Uzbekistan”, which aims to enhance Uzbekistan’s national measurement capabilities in line with international best practices.

The successful completion of the Acoustics and Vibration metrology training represents a significant step in advancing UzNIM’s technical competence and laboratory capabilities. It also reaffirms the strong collaborative partnership among NIMT, PTB, and UzNIM, laying a solid foundation for continued cooperation and future joint initiatives in the field of metrology.

Dr. Jariya Buajarern, Metrology Expert, and Dr. Sivinee Sawatdiaree, RDI Manager, from NIMT, served as advisors for an advisory programme conducted at the Uzbek National Institute of Metrology (UzNIM) during 19–23 January 2026. The programme focused on practical examples drawn from NIMT’s institutional experience in management, policy formulation, and quality systems, with the aim of strengthening strategic capacity and long-term sustainability of UzNIM.

The five-day advisory programme covered a wide range of interconnected topics, including strategic dialogue on the transition from maintaining CMCs to long-term NMI development, integration of management systems, digital transformation of quality and operational processes, technical sustainability, emerging fields such as quantum metrology, and the role of research, development and innovation (RDI) in national metrology institutes. Interactive sessions, peer exchanges, laboratory visits, and practical demonstrations were used to facilitate in-depth discussion and mutual learning between NIMT and UzNIM experts.

The programme also included an institutional overview of UzNIM, highlighting its role as the national metrology institute of Uzbekistan and its active engagement with international metrology networks. Based on discussions and observations, NIMT provided strategic recommendations covering R&D roadmapping, quantum and digital metrology as future infrastructure, digital transformation as a management decision-support tool, and the evolution of quality management systems from a compliance-based approach to a strategic instrument for organizational development.

In addition, potential areas for future cooperation between UzNIM and NIMT were identified, including joint strategic workshops, exchange of experts and early-career researchers, pilot projects in digital and quantum metrology, and co-development of management and digital tools. The advisory programme concluded with a synthesis of key takeaways and a discussion on next steps and a medium- to long-term collaboration roadmap.

This activity was conducted under the PTB project “Supporting the Reform of the National Quality Infrastructure in Uzbekistan,” implemented by the Physikalisch-Technische Bundesanstalt (PTB), Germany. The advisory programme contributed to strengthening institutional capacity, enhancing the strategic use of management and quality systems, and promoting sustainable, future-oriented development of UzNIM, while reaffirming NIMT’s commitment to international cooperation and the sharing of institutional expertise.

Dr. Nunapus Laitip, an expert from NIMT, successfully completed a final expert consultancy mission to Indonesia on 22–23 January 2026, under the framework of technical cooperation with the Physikalisch-Technische Bundesanstalt (PTB).

The mission was conducted as part of the PTB cooperation project “Strengthening Quality Infrastructure Services for Environmental and Climate Monitoring, Indonesia.” The consultancy aimed to support national partners, particularly the National Measurement Standard – National Standardization Agency of Indonesia (SNSU-BSN), in the development and finalization of a suitable proficiency testing (PT) scheme for wastewater or surface water analysis, in collaboration with up to four regional environmental testing laboratories.

Building on the outcomes of earlier expert consultancies, this final mission focused on providing targeted technical support to Pusarpedal, an Indonesian environmental laboratory, to finalize and operationalize a new PT scheme within the project context. During the mission, Dr. Nunapus provided expert technical advice, reviewed technical arrangements, and offered practical recommendations to enhance the robustness, reliability, and international alignment of the PT scheme.

This completed expert consultancy reflects the continued collaboration between NIMT and PTB and demonstrates NIMT’s commitment to international knowledge transfer and capacity building, contributing to strengthened environmental and climate monitoring systems and improved quality infrastructure in Indonesia.

Pol.Lt.Gen. Pornchai Suteerakune, Director of NIMT, together with Mr. Anusorn Thonmuenwai, Deputy Director, warmly welcomed delegates from the Uzbek National Institute of Metrology (UzNIM) on the occasion of their participation in training in Time and Frequency, held during 5–16 January 2026 at NIMT.

Under the Time and Frequency program, Ms. Lyubov Gazieva, Mr. Vihobjon Nishonov, and Mr. Khojiakbar Rakhimov, from the Time and Frequency Laboratory, UzNIM, attended technical training entitled “Calibration of frequency counters using time and frequency standard based on caesium atomic clock including development of calibration procedure.” The training focused on frequency counter calibration techniques, the application of cesium clock–based time and frequency standards, and the development of reliable calibration procedures in accordance with international best practices.

The training was delivered by experts from NIMT, including Dr. Thayathip Thongtan, Dr. Piyaphat Phoonthong, and Dr. Rattakorn Kaewuam, from Primary Electrical, Time and Frequency standards Group, Electrical Metrology Department.

This program was conducted under the PTB project “Support to the Reform of the National Quality Infrastructure in Uzbekistan Phase II,” which aims to strengthen Uzbekistan’s measurement capabilities in line with international standards. The program combined in-depth theoretical sessions with hands-on practical exercises, enabling participants to enhance their technical competencies and directly apply the acquired knowledge within their laboratories.

The successful completion of this Time and Frequency training marks an important milestone in advancing UzNIM’s capabilities in time and frequency measurements. It also further strengthened the collaborative partnership among NIMT, PTB, and UzNIM, laying a strong foundation for continued cooperation and future joint initiatives.

Pol. Lt. Gen. Pornchai Suteerakune, Director of NIMT, warmly welcomed delegates from the Uzbek National Institute of Metrology (UzNIM) on the occasion of their participation in metrology training in Acoustics and Vibration, held on 8–19 December 2025 at NIMT.

Under the Acoustics program, Mr. Akhmadbek Mukhamad Aminov attended technical training on the manual measurement of anechoic chambers, calibration methods for air and bone conduction systems, sound level meters, sound calibrators, and the determination of microphone sensitivity.

In parallel, the Vibration training was attended by Mr. Diyorbek Sultanov and Mr. Ulugbek Panjiev, focusing on the transfer of vibration magnitude values from the primary standard to the secondary standard, with an emphasis on ensuring measurement traceability and calibration accuracy.

The training was conducted under the Physikalisch-Technische Bundesanstalt (PTB) project “Supporting the Reform of the National Quality Infrastructure in Uzbekistan”, which aims to strengthen Uzbekistan’s measurement capabilities in line with international standards. The program combined in-depth theoretical sessions with hands-on practical exercises, enabling participants to enhance their technical competencies and apply the knowledge directly within their laboratories.

The successful completion of this Acoustics and Vibration metrology training marks an important milestone in advancing UzNIM’s measurement capabilities. It also further strengthened the collaborative partnership among NIMT, PTB, and UzNIM, laying a strong foundation for continued cooperation and future joint initiatives.

Dr. Charun Yafa, Assistant Director of NIMT, has been invited to serve as a peer reviewer for the inorganic measurement capabilities of the National Metrology Institute of Malaysia (NMIM).

The peer review was conducted at NMIM during 16–17 December 2025, recognizing Dr. Charun’s extensive technical expertise and long-standing experience in chemical and inorganic metrology. His role focused on strengthening technical rigor, supporting quality assurance practices, and enhancing NMIM’s readiness for future international recognition.

This engagement reflects the strong professional trust and close cooperation between NIMT and NMIM, as well as the shared commitment of both institutes to advancing metrology excellence and ensuring internationally comparable measurement capabilities across the region.

NIMT is proud to contribute its expertise to regional and international peer review activities, reinforcing collaboration among National Metrology Institutes and supporting the global metrology community.

Dr. Achaya Teppitaksak, Metrologist from the National Institute of Metrology (Thailand) (NIMT), has been invited to participate in the Guest Scientist Programme at the Physikalisch-Technische Bundesanstalt (PTB), in Braunschweig, Germany.

Under this programme, Dr. Achaya undertook one month of joint research from 17 November to 16 December 2025 within Working Group 4.21: Form and Wavefront Metrology, as part of the RADIUS project. The research focuses on advanced form and wavefront metrology, contributing to the development of high-precision optical measurement techniques that are essential for cutting-edge industrial and scientific applications.

This research stay reflects the strong and continuous collaboration between NIMT and PTB and highlights NIMT’s active role in international research cooperation. The knowledge and experience gained from this programme will further strengthen Thailand’s metrology capabilities and support the advancement of precision measurement research at the national and international levels.