Ventilation Meter

Velocicalc® Multi-Function Ventilation Meter Model 9565

Model: 9565-A-NB
Non Bluetooth Multi-Function Ventilation Meter with Differential Pressure Sensor and Articulating Probe Model 966

Measures velocity, temperature, humidity, differential pressure, barometric pressure and has inputs for two K alloy thermocouples. Includes an articulated, telescopic probe and data logging.

The VelociCalc® Model 9565 series are portable, handheld, Multi-Function Ventilation Test Instruments featuring a menu-driven user interface for easy operation in your local language. On-screen prompts and step-by-step instructions guide the user through instrument setup, operation, and field calibration. The 9565 also features an ergonomic, overmolded case design with probe holder and a keypad lockout to prevent tampering during unattended use. These instruments are available with or without a differential pressure sensor and are designed to work with a wide range of plug-in probes.


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

Features and Benefits

  • 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 TrakProTM and LogDat2TM downloading software with USB cable

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