supply of anemometer , anemometer: anemometer as per following specification. air velocity and tempe rature display should be at the same time temperature sensor built-in with anemometer fan low power consumption data / max / min. hold facility auto power off. range of wind speed i n m/s: 0.0 to 45.0 m/s with an accuracy of +/-3%; range of wind speed in knots: 0.0 to 88.0 kno ts with an accuracy of +/-3%; range of wind speed in km/hr: 0.0 to 140.0 km/hr with an accur acy of +/-3%; range of wind speed in ft/min: 0 to 8800ft/min with an accuracy of +/-3%; range of temperature in deg c: 0 deg c to 60 deg c with an accuracy of +/-2 deg c; range of temper ature in deg f: 32 deg f to 140 deg f with an accuracy of +/-4 deg f; to model no. avm-04 of m etravi make or equivalent warranty : 1 year or better. ]