testo 440 - 100mm Vane Kit Multi-Function Flow Rate Instrument

1.5v 20 m 2m 35 m air Air Velocity bluetooth Celsius Degrees Degrees Celsius Degrees Celsius Accuracy Degrees Celsius General Degrees Celsius temperature Flow Rate Instrument IAQ measuring measuring Measuring Instrument Multi-Function Flow Rate Rate Instrument Features Vane Vane Kit Multi-Function vane probe velocity and IAQ Volume Flow