TEIS-XL Dual Gas Controller and Infuser Design for Vapour Sample Acquisition

The Threat Mitigation Technologies department within the Metropolitan Police Service (MPS) provides technical advice and capabilities to a range of operational policing customer groups. One existing capability is that of Explosives Trace Detection (ETD) capabilities for various operational requirements and infrastructures. As such, a requirement has arisen for the construction of dual gas controllers for vapour sampling acquisition, so as to enable a Nitrogen gas input as a push gas for injection of desorbed vapour...