Metravi offers a comprehensive range of electrical and electronic test and measuring instruments. As part of that the company offers digital thermo anemometer model matrevi 4202. It is specially developed for measuring temperature and air velocity. It is capable of measuring wind velocity in the range of 0.4 to 30 m/s , 1.4 to 108 km/hr , 80 - 5910 ft/min , 0.8 to 58.3 knots. Matrevi 4202 can measure temperature in the range of 0 to 60 degree c and 32 to 140 degree f. It comes with following salient features: