
Award winning design in the Kestrel 4100 Pocket Air Flow Tracker provides cutting edge HVAC monitoring. Get comprehensive results that allow for clear decision making in three easy steps. Measurements include:Air FlowAir VelocityTemperatureHumidityDew PointWind ChillHeat Stress IndexAn automatic and manual data logger provides easy tracking. This tracker calculates minimum maximum and average values on a multi-function three line display. Impeller can be replaced without tools and backlight is included for low light conditions.A revolution in air flow knowledge this tracker provides critical knowledge in any setting.?