VelociCalc Multi-Function Ventilation Meter 9650 TSI

VelociCalc Multi-Function Ventilation Meter 9650 TSI

Advanced Handheld Micromanometer for HVAC and IAQ Professionals

VelociCalc Multi-Function Ventilation Meter 9650 TSI is a portable, multi-function micromanometer specifically designed for advanced ventilation and air quality diagnostics. With a high-resolution color display and a menu-driven interface, this tool allows for real-time monitoring of multiple parameters and guides users step-by-step through setup, measurement, and data collection.

Designed for HVAC testing, clean room validation, and indoor air quality assessments, the 9650 offers powerful functionality including heat flow calculations, outdoor air percentage determination, and duct traverse guidance based on international standards. Its ergonomic design includes integrated magnets for hands-free use and a built-in probe holder for convenience in the field.

Features and Benefits

• High-resolution color display with real-time multi-parameter views

• Intuitive interface with guided workflows for heat flow, duct traverses, and outside air calculations

• Compatible with optional smart plug-in probes for velocity, temperature, humidity, CO₂, and more

• Input for K-type thermocouples

• Static and differential pressure measurement

• Integrated magnets for attachment to ductwork

• User-customizable soft keys for quick access

• Supports multiple languages

• Air density compensation using onboard barometric pressure sensor and temperature input

• USB and optional Bluetooth connectivity for data transfer and printing (Bluetooth printing available with Model 9650 only)

• Programmable K-factors for duct air flow calculations

Applications

• HVAC system commissioning, testing, and balancing

• Clean room certification and air quality control

• Laboratory fume hood and biological safety cabinet testing

• Indoor air quality investigations

• Ventilation effectiveness with percent outdoor air measurement

• Heating and cooling coil performance testing

• Duct air flow analysis using ASHRAE and EN standards

Specifications

• Model: VelociCalc 9650

• Display: High-resolution color LCD

• Measurement Capabilities: Static and differential pressure, air velocity (with probe), temperature, humidity, CO₂ (with probe)

• Thermocouple Input: K-alloy

• Data Output: USB and Bluetooth (printer support)

• Pitot Tube Support: Yes (for duct traverses)

• Battery: 4 AA alkaline batteries

• Workflow Support:

  • Outdoor air percentage

  • Heat flow in BTU/hr or kW

  • Duct traverse grid measurements (ASHRAE 111 log-Tchebycheff, ASHRAE 111 equal area, EN 12599, EN 16211)

Included Items

• VelociCalc 9650 instrument

• Static pressure probe

• 8 ft (2.4 m) tubing

• Wrist strap

• Carrying case

• 4 AA batteries

• USB cable

• Calibration certificate

• User manual

The VelociCalc 9650 is the ultimate ventilation test tool for engineers, technicians, and IAQ specialists who require accurate, flexible, and efficient measurement capabilities across complex HVAC and indoor environments.