Ion mobility spectrometer
Abbreviation: IMS. Measurement device for the detection of chemical contamination in very low concentrations (ppb to some ppm). Very effective in detecting and identifying Chemical Warfare Agents.
Glossary Source
JRC EU CBRNe Glossary
(
EU Glossary on Chemical, Biological, Radiological, Nuclear, and Explosive risks
)
https://publications.jrc.ec.europa.eu/repository/bitstream/JRC128863/JRC128863_01.pdf