Product Brochure

Operation Manual

Specifications Sheet

TSI 9565 w/Articulating Probe $93.75 $218.75 $625
  Add to Cart Add to Cart Add to Cart
TSI 9565 w/Straight Probe $86.25 $201.25 $575
  Add to Cart Add to Cart Add to Cart

The portable, handheld TSI VelociCalc 9565 features a menu-driven user interface for easy operation. On-screen prompts and step-by-step instructions guide the user through instrument setup, operation, and field calibration. The large screen displays up to five measurements simultaneously. The VelociCalc 9565 measures air velocity, temperature, relative humidity and differential pressure.

Features and Benefits

  • Includes differential pressure sensor
  • Best-in-class air velocity accuracy
  • Optional “smart” plug-in probes, including VOC, CO2, and rotating vane probes
  • Accommodates up to two K-alloy thermocouples
  • Large graphic display
    • Displays up to five measurements simultaneously
    • On-screen messages and instructions
    • Program for local language
  • Intuitive menu structure allows for ease of use and setup
  • Multiple data logging formats
  • Bluetooth communications for transferring data or remote polling
  • Includes TrakPro™ and LogDat2™ downloading software with USB cable



  • HVAC testing and balancing
  • Clean room testing
  • Biological safety cabinet and laboratory fume hood testing
  • HVAC commissioning and troubleshooting
  • IAQ investigations
  • Thermal comfort studies
  • Ventilation evaluations
  • Process air flow testing