The cv7 range of products features lateral transducers delivering four independent measurements. The validity checks are used to measure head wind vectors for calculations. This method gives a wind speed sensitivity of 0.15 m/s, and reliability and excellent linearity up to 40 m/s. Cv7-v ultrasonic wind speed sensor specification: Output data format: nmea0183; mwv, xdr Information transmited: instant. W. Speed, instant. W. Angle, avaibility Output rate: 2 hz / 30 hz measurement Wind module sensitivity: 0.12 m/s Wind module resolution: 0.05 m/s Wind module dynamic: 0.12 to 40 m/s Direction sensitivity: +/-1.5' Direction resolution: 1' Power supply: 8 v to 30 v dc Electrical consumption: 9 ma Op. Temp. Without icing: -15'c to +55'c Cable: 25 m / 4x0.22 mm2 Connection: 4 wires Weight of the head: 100 gr Weight of unit assembly: 200 gr with mounting part Mounting: vertical ; 300 aluminium arm, 16 mm