A balometer is a specialized airflow measurement device that combines velocity detection with duct cross-sectional area calculation to directly display volumetric flow in cubic feet per minute (cfm). This integrated approach eliminates manual calculations and provides immediate flow confirmation. Balometers are specifically designed for HVAC technicians conducting system balancing work.
Technical Details
Balometers measure airflow from 50 to 2,500 cfm with accuracy within 4-6% of reading. The instrument includes a vane anemometer probe that connects to electronics calculating flow based on velocity and user-entered duct dimensions. Digital display shows cfm directly, with averaging functions that stabilize readings across 5-30 second measurement periods. Most models operate on AA batteries with 40-50 hour battery life.
HVAC Applications
Balometers accelerate TAB work on multi-zone systems by eliminating velocity-to-cfm conversion calculations. Technicians use them to verify equipment capacity, balance supply and return air, and confirm system performance meets design specifications.
Practical Significance
Direct cfm display reduces calculation errors and increases productivity during field commissioning. Balometers are preferred tools for professional HVAC service companies conducting system adjustments.