Fast, Accurate, and Reliable HVAC Instrument
for Professionals

Testing, Adjusting, and Balancing (TAB), Commissioning, and HVAC professionals need trustworthy, accurate instrumentation to get the measurements needed to keep buildings comfortable and safe. TSI® supports the work of building professionals, whether you’re designing a new building, laboratory or cleanroom concept—or performing routine system maintenance, we help you meet and exceed expectations. 

At TSI®, we understand that every HVAC system is critical to health, safety, quality, and compliance. With our tools and instruments, you have the accurate, real-time data you need to help do your job and help grow your business. Since we introduced our first portable meter in 1973, TSI® has been a recognized leader in ventilation test instruments providing precise measurements you can count on. With the high standards and accuracy you can expect, we put reliable data into the hands of professionals with our next generation of ventilation meters.

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. It’s ergonomic design includes a probe holder and integrated magnets allowing for attachment to exposed ductwork, chemical fume hoods and biological safety cabinet frames 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.

IDEAL FOR: 

• Testing, Adjusting, and Balancing (TAB) Professionals 
• Commissioning Professionals 
• Certification Companies 
• HVAC Professionals 
• Facility Management Teams 
• Health & Safety Professionals 
• IAQ Consultants

THREE MODELS TO MEET YOUR NEEDS

The 9600 Series VelociCalc® Multi-FunctionVentilation Meters include 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 performaing a duct traverse.

O = OPTIONAL
 

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