• Measure air velocity FPM or air volume CFM.• Input surface area for air flow measurements.• Flexible vane sensor.• Accurate Thermistor for temperature measurements.• Continuous moving average results for up to 2 hours.• MIN/MAX/AVG readings.• Air velocity average for multiple point.• Temperature in °C or °F, switchable.• Data hold to freeze measurement display of both readings.• Auto power off function.• RS232 interface output with optional software and cable (AMP TMSWA).• Deluxe hard carrying case.