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Professional calibration for the TSI VelociCalc Multi-Function Ventilation Meter 9565-P, delivering verified accuracy and confidence in air velocity and temperature measurements.

ISO/IEC 17025 accredited repair and calibration service for the TSI IAQ-Calc Indoor Air Quality Meters 7525, restoring instrument performance while delivering verified accuracy, documented traceability, and confidence in indoor air quality measurements for compliance and...

ISO/IEC 17025 accredited repair and calibration service for the TSI Thermoanemometer Articulated Probe 962 hot-wire anemometer, restoring instrument performance while delivering verified accuracy, documented traceability, and confidence in air velocity and temperature...

Professional repair and calibration for the TSI IAQ-Calc Indoor Air Quality Meters 7525, restoring performance and delivering verified accuracy and confidence in indoor air quality measurements.

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.