... direction of wind generator, sensor testing wind direction by a potentionmeter, internal install a displacement sensor, the displacement and Angle (0-360' ... and in plastic-sprayed surface, this kind of plastic is a waterproof, corrosion resistant function, internal and turn place all with ... sensor type signal output measurement range heating power connection wiresFC8450-A-0020 0......20 mA 0.5... 50 m/s ...