Abstract
Fundamental metrology is closely linked to the development of science and needs good facilities to achieve low measurement uncertainty in demanding experiments. The laboratories must have good temperature stability, low vibration level, good electromagnetic shielding, clean room air, and humidity control. This paper outlines specification and design principles of a compact laboratory building that brings most of the activities of MIKES under one roof, thus attaining the performance of the most demanding laboratories. The most demanding specifications of temperature and vibration were set for the length and mass laboratories. The tightest room temperature specification was (20 ± 0.05) °C. The vibration level was specified at the tightest level to 1 μm/s at frequencies of 0.1-5 Hz. Electromagnetic shielding was specified at best to 100 dB for plane waves up to 20 GHz. Relative humidity was specified (48 ± 2)% at 20 °C. The specifications were clearly achieved and state of the art metrology laboratories implemented.
| Original language | English |
|---|---|
| Pages (from-to) | 399-425 |
| Journal | Measurement |
| Volume | 44 |
| Issue number | 2 |
| DOIs | |
| Publication status | Published - 1 Feb 2011 |
| MoE publication type | Not Eligible |
Funding
The authors would like to thank Markku Koskinen, Bea Sennewald, Nina Lehikoinen, Kaija Tarvainen, Börje Hagner and Ulla Lähteenmäki for their important contribution during the project, and all other co-workers at MIKES for their efforts. The possibility to visit the metrology laboratories of PTB, METAS, NPL and JV was greatly appreciated and hospitality of the host is acknowledged. This project was initiated, carried out and financially supported by the Ministry of Employment and the Economy of Finland.
Keywords
- Laboratory design
- Laboratory specifications
- Metrology
- Temperature
- Vibration