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Our air flow gauges in CFM units are designed for quick and accurate airflow measurements in ductwork and ventilation systems. The vane-type gauges feature a multi-blade rotor for smooth operation, measuring 200–6000 CFM with ±3% accuracy. A mechanical dial with large digits ensures easy reading, and the rugged aluminum body withstands accidental drops. For digital applications, the LCD gauges offer real-time CFM, FPM, and temperature display, with data hold and max/min tracking. The detachable probe (1.5m length) reaches deep into ducts, and the low-battery indicator prevents measurement errors. These gauges are essential tools for HVAC technicians, energy auditors, or facility managers.