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Professional repair and calibration for the TSI Model 7545CO, including replacement of the electrochemical carbon monoxide sensor, restoring performance and delivering verified accuracy and confidence in indoor air quality measurements.

Professional calibration for the TSI Model EBT720, delivering verified accuracy and confidence in airflow measurements at diffusers and grilles.

QualityGuard 3-year prepaid calibration contract for the TSI VelociCalc Pro Multi-Function Ventilation Meter 9650-NB (non-Bluetooth). Provides scheduled calibrations, predictable service costs, and ongoing measurement confidence.

QualityGuard 3-year prepaid calibration contract for the TSI VelociCalc Air Velocity Meter 9515. Provides scheduled calibrations, predictable service costs, and ongoing measurement confidence.

TSI’s quality products use proven technology and engineering for the best possible health, safety, and compliance outcomes.

TSI offers the most reliable, cited and known-good particle counters.

AeroTrak® Portable Particle Counters are designed to save time and money.

These generators disperse dry dust and powders for applications that need continuous and stable dosing with high accuracy.

These portable, battery-operated units are lightweight and easy to use.