Enhance Productivity
Professional performance
With our HVAC and ventilation instruments


The portable, handheld VelociCalc MultiFunction Ventilation Meter 9565A features a menudriven user interface for easy operation in your local language. Onscreen prompts and stepbystep instructions guide the user through instrument setup, operation, and field calibration.

The 9565A also features an ergonomic, overmolded case design with probe holder and a keypad lockout to prevent tampering during unattended use. The 9565A model includes the Articulated Probe 966 and is designed for use with a range of plugin probes.


•    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

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