1.APPLICATION Widely used in data collection for boiler, refrigeration industry, ventilation duct, environment monitor, navigation measurement, weather forecast, collection of the weather datum for outdoor busywork and fire department. 2. SPECIFICATIONS 2.1 General Specifications Display 0.5" (13 mm) 4-digit LCD Measurement units Air Velocity: m/s, km/h, ft/min, knots Air Flow: CMM (m3/min); CFM ( ...