- Metal vane withstands temperatures up to 175?F and airspeed up to 7880 feet/minute
- Displays air flow (CFM) or air velocity (feet/minute) plus temperature on dual display
- Choice of readings in feet/min, meters/second, kM/hour, MPH or knots
- Air flow displayed as instantaneous value, 2/3 value or 20 point average
- Min/Max function
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