Air Velocity Tester Dimensions L x W x H: 203 x 76 x 38 mm Temperature range: 0 ... +50 °C Wind speed range: 0.4...25.00 m/s Electrical supply: 6 x LR6/AA Instrument for: Temperature / Wind speed Interfaces: RS232 / SD-Card / USB Measuring error, wind speed: ±2% Sensor type/thermocouples: J / K Cable length: 1.2 m No. of inputs: 3 Resolution, wind speed: 0.1 m/s