Description: The VelociCalc Multi-Function Ventilation Meter 9600 series includes a built-in workflow for calculating the percentage of outside air used to determine ventilation effectiveness in a building or room. The VelociCalc Pro adds built-in workflows for heat flow calculation and four methodologies for performing a duct traverse. Its ergonomic design includes a probe holder and integrated magnets allowing for attachment to exposed ductwork, chemical fume hoods, and a biological safety cabinet for hands-free operation. These instruments are available with or without a differential pressure sensor and are designed to work with a wide range of plug-in probes.

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