| Metrology area, Sub-field | Length, Dimensional Metrology |
| Description | Thread |
| Time of measurements | 2019 |
| Status | Approved |
| Final Reports of the comparisons | |
| References | |
| Measurand | Pitch diameter in mm Thread plugs: M6x1, M12x1.75, M36x1.5 and M10x2 Thread rings: M18x2.5, M30x1.5 and M42x4.5 |
| Transfer device | Parallel thread gauges: plugs and rings |
| Comparison type | Supplementary Comparison |
| Consultative Committee | CCL (Consultative Committee for Length ) |
| Conducted by | APMP (Asia Pacific Metrology Programme) |
| Pilot institute |
NIM
National Institute of Metrology China |
| Contact person | Hengzheng Wei +86 10 64524931 |
| Pilot laboratory | |
|---|---|
| NIM |
National Institute of Metrology, China, APMP |
| NIMT |
National Institute of Metrology (Thailand), Thailand, APMP |
| PTB |
Physikalisch-Technische Bundesanstalt, Germany, EURAMET |
| SASO-NMCC |
National Measurement and Calibration Center - Saudi Standards, Metrology and Quality Organization, Saudi Arabia, GULFMET |
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