VEVOR Split Handheld Anemometer, 14℉-140℉, Digital Wind Speed CFM Meter Gauge with LED Backlight Screen, Measures Wind Velocity Wind Temperature Air Flow Wind Chill, for Sailing Surfing Flying HVAC
This anemometer is designed to measure air flow in units like CFM (cubic feet per minute) or CMM (cubic meters per minute); it does not support 'litres per second' (L/s) as a direct measurement unit.