| Metrology area, Sub-field | Length, Dimensional Metrology |
| Description | Calibration of surface roughness standards |
| Time of measurements | 2021 - 2023 |
| Status | Report in progress, draft B |
| References | |
| Measurand | Groove depths and Parameters Ra, Rq, Rz, Rt, RSm |
| Transfer device | Surface texture standards |
| Comparison type | Key Comparison |
| Consultative Committee | CCL (Consultative Committee for Length ) |
| Conducted by | APMP (Asia Pacific Metrology Programme) |
| RMO Internal Identifier | APMP.L-K8 |
| Comments | All measurements completed in December 2024. Draft B.1 report issued in April 2025. Comments and issues being reviewed by the pilot with anticipated updated report to be issued hopefully before August. |
| Pilot institute |
NMIA
National Measurement Institute, Australia Australia |
| Contact person | Andrew BAKER +61 3 9644 4902 |
| Pilot laboratory | |
|---|---|
| NMIA |
National Measurement Institute, Australia, Australia, APMP |
| CENAM |
Centro Nacional de Metrologia, Mexico, SIM |
| CMS |
ITRI Center for Measurement Standards, Chinese Taipei, APMP |
| INTI |
Instituto Nacional de Tecnologia Industrial, Argentina, SIM |
| KRISS |
Korea Research Institute of Standards and Science, Korea, Republic of, APMP |
| NIM |
National Institute of Metrology, China, APMP |
| NIMT |
National Institute of Metrology (Thailand), Thailand, APMP |
| NIST |
National Institute of Standards and Technology, United States, SIM |
| NMC, A*STAR |
National Metrology Centre, Agency for Science, Technology and Research, Singapore, APMP |
| NMIJ AIST |
National Metrology Institute of Japan, Japan, APMP |
| NMIM |
National Metrology Institute of Malaysia, Malaysia, APMP |
| NPL |
National Physical Laboratory, United Kingdom, EURAMET |
| NPLI |
CSIR National Physical Laboratory of India, India, APMP |
| SASO-NMCC |
National Measurement and Calibration Center - Saudi Standards, Metrology and Quality Organization, Saudi Arabia, GULFMET |
| SCL |
Standards and Calibration Laboratory, Hong Kong, China, APMP |
| SNSU-BSN |
National Measurement Standard - National Standardization Agency of Indonesia, Indonesia, APMP |
| UzNIM |
Uzbek National Institute of Metrology, Uzbekistan, COOMET |
| VNIIMS (now RCAM-Rostest) |
Russian Scientific Research Institute for Metrological Service, Rosstandart (now Research Center for Applied Metrology - Rostest), Russian Federation, COOMET |
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