Purchase of SMPS (Scanning Mobility Particle Sizer)

The SMPS (Scanning Mobility Particle Sizer) is used to measure aerosol concentration and aerosol particle size distribution. The system comprises of an Electrostatic Classifier (EC), a Differential Mobility Analyser (DMA), a Condensation Particle Counter (CPC), and an Aerosol Neutraliser. They have been identified needing replacement in 2021-22 because there are no longer spare parts available from the manufacturer, and they are nearing the end of their useful life. They are difficult to communicate with as the tec...