It is a new generation of intelligent digital anemometer; which can detect the average speed of wind in the working environment where flammable and explosive mixed gases exist with the characteristics of direct-reading display, high precision, data saving ,convenient to adjust and operate etc. Model 1, CFJD5 Measurement range(0.3-5)m/s; Tolerance 0.2m/s; Starting air-velocity=0.2m/s;Explosion-proof typeExib I 2, CFJD25 Measurement range (0.5-25)m/s; Tolerance0.3m/s; Starting air-velocity=0.4m/s; Explosion-proof typeExib I