The TSI Engine Exhaust Particle Measurement System (EEPMS) 3095 is a specialized spectrometer designed for the real-time measurement of particle size distributions from vehicle and engine exhaust. The system is built upon the Fast Mobility Particle Sizer (FMPS) technology, enabling it to measure the entire particle size spectrum simultaneously with a one-second time resolution. This makes it ideal for capturing transient events, such as changes during engine start-up or acceleration. The EEPMS 3095 can measure solid and non-volatile particles in the size range of 5.6 to 560 nanometers. Its primary applications are in engine research and development, after-treatment (e.g., diesel particulate filter) testing, and regulatory compliance checks.