VelociCalc Multi-Function Ventilation Meter 9650-NB-964 TSI

VelociCalc Multi-Function Ventilation Meter 9650-NB-964 TSI

Professional Micromanometer Kit with Straight Probe for HVAC Testing (Non-Bluetooth Model)

The VelociCalc® 9650-NB-964 TSI is a high-performance, handheld multi-function micromanometer that comes paired with the 964 Straight Probe, ideal for HVAC commissioning, balancing, and air quality evaluations in critical environments. Designed for professionals who need advanced functionality without wireless communication, VelociCalc Multi-Function Ventilation Meter 9650-NB-964 TSI model is perfect for secure or restricted areas where Bluetooth connectivity is not permitted.

The 964 probe measures air velocity, temperature, and relative humidity, allowing you to perform a wide range of ventilation and thermal comfort assessments. Combined with the 9650-NB meter, it supports duct traverses, IAQ investigations, and heat flow testing using integrated guided workflows.

With a full-color display and intuitive interface, this instrument provides step-by-step guidance for common applications, including outdoor air percentage calculation and heating/cooling coil diagnostics.

Features and Benefits

• Non-Bluetooth model suitable for sensitive or restricted environments

• Large, high-resolution color screen for simultaneous multi-parameter display

• Simple menu navigation with multilingual support

• Compatible with the included 964 probe for velocity, temperature, and humidity measurements

• Built-in barometric pressure sensor for accurate air density compensation

• Step-by-step workflows for:

  • Percentage of outside air (with IAQ probe)

  • Duct traverse (ASHRAE 111 and EN methods)

  • Heat flow (BTU/hr or kW) with 964/966 probe

• Static and differential pressure measurement capabilities

• Integrated magnets for hands-free use on metallic duct surfaces

• Input for K-type thermocouple

• Programmable K-factors for volumetric flow calculations

• USB data export and printing (supports USB printer, not Bluetooth)

Applications

• HVAC testing, commissioning, and system balancing

• Air velocity and flow measurements in ducts

• Laboratory and cleanroom certification

• IAQ monitoring and ventilation effectiveness analysis

• Thermal comfort studies

• Heat transfer performance of HVAC coils

Specifications

• Model: 9650-NB-964

• Probe: Model 964 (Straight Probe – air velocity, temperature, humidity)

• Display: High-resolution color LCD

• Pressure Range: ±3735 Pa (±15 in. H₂O)

• Air Velocity Range (964 probe): 0 to 30 m/s (0 to 6000 ft/min)

• Temperature Range: 0 to 60 °C

• Humidity Range: 0 to 95% RH

• Connectivity: USB only (no Bluetooth)

• Power: 4 AA alkaline batteries

• Data Output: USB printer or PC software

Included Items

• VelociCalc 9650-NB instrument

• Model 964 Straight Probe

• Static pressure probe

• 8 ft (2.4 m) tubing

• Wrist strap

• Carrying case

• USB cable

• User manual

• Calibration certificate