VelociCalc Multi-Function Ventilation Meter 9600

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TSI, an international leader in measurement technology for over 50 years, designs and manufactures precision instruments for measurements relating to indoor air quality, respirator fit testing, exposure monitoring to evaluate workplace risks. Our UK based service department ensures your instruments are calibrated and serviced by TSI in market-leading turnaround time.

SKU: 9600

The VelociCalc® meter Model 9600 is designed to work with a wide range of plug-in probes for measuring air velocity, temperature, relative humidity, CO and CO2. Its ergonomic design includes a probe holder and integrated magnets allowing for attachment to exposed ductwork or other metallic surfaces for hands-free operation. The Model 9600 includes a built-in workflow for calculating the percentage of outside air used to determine ventilation effectiveness in a building or room when used with an IAQ probe.


  • HVAC testing and balancing
  • Clean room testing
  • Biological safety cabinet and laboratory fume hood testing
  • HVAC commissioning and troubleshooting
  • IAQ investigations
  • Ventilation effectiveness with percent outside air calculation


  • 9600 Instrument
  • Wrist strap
  • Carrying case
  • 4 AA alkaline batteries
  • USB cable
  • Owner’s manual & calibration certificate


  • Large, high-resolution color display
  • Intuitive menu structure allows for ease of use and setup
  • Optional smart plug-in probes, including thermoanemometer, rotating vane and CO2 probes with calibration certificates
  • Input for one K-alloy thermocouple
  • User-customizable soft keys for quick access to common functions
  • Calculate the percentage of outdoor air with IAQ probe
  • Integrated magnets for hands-free operation
  • Supports multiple languages
  • Air density compensation with on board barometric pressure sensor and temperature input
  • Print data from instrument with optional USB portable printer (802241)


792, 794, 960, 962, 964, 966, 980, 982, 995, and 800220

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VelociCalc Multi-Function Ventilation Meter 9600

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