Glossary

BIPM

International Bureau of Weights and Measures. Intergovernmental organization created by the Metre Convention in 1875, whose member states act jointly on matters relating to the science of measurement and measurement standards.

EURAMET; European association of national metrology institutes

Organization of metrology at European level

HV; High Vacuum

High-vacuum range.

NEG; Non-Evaporable Getter

Refers to a pumping process.

SI (International System of Units)

UHV; Ultra High Vacuum

Ultra-high vacuum.

XHV; Extreme High Vacuum

Extreme ultra-high vacuum.