As a key distribtuor for TSI, Validair Monitoring Solutions can offer the AeroTrak® range of Airborne Particle Counters, including portables, handhelds, and remotes. These are all designed to meet the rigid requirements for cleanroom applications. AeroTrak Airborne Particle Counters comply with the stringent requirements set forth in ISO 21501-4. These particle counters are calibrated to NIST traceable PSLs using TSI’s world-class Classifier and Condensation Particle Counters, the recognized standard for particle measurements. AeroTrak Airborne Particle Counters provide the best measurement and data to help keep your processes in control.