Trust the Experts

When precision and reliability matter, trust only TSI Authorized Partners—their factory-trained technicians are certified by TSI to test, calibrate, adjust, and repair your AeroTrak™+ and AeroTrak™ Particle Counters using original TSI parts and approved procedures.

Unauthorized service centers can only verify your instrument. TSI Authorized Partners go further—offering full calibration, firmware and software updates, and professional repairs, all performed by experts trained and supported directly by TSI.

Get in Touch With a TSI Service Expert

Optimize the precision of your TSI AeroTrak™+ and AeroTrak™ Particle Counter and start your service request, or ask us anything —from service frequency, what’s included in the latest firmware update, or how to help ensure unexpected downtime. Our factory-trained experts and technicians will get back to you with a personalized maintenance plan.