Wind Speed Anemometer NPN Output SN-3000-FSJT-NPN 5-30v

Wind Speed Anemometer NPN Output SN-3000-FSJT-NPN

Wind Speed sensor or Anemometer
Material: Poly-carbon
Weight: Approx. 336g / 11.9oz
Package Size: Approx. 19×17.5x17cm / 7.5×6.9×6.7in
Power supply (default): 10~30V DC, we have tested this sensor with 5V from Arduino and it works fine.
Operating temperature -20℃~+60℃
Operating Humidity: 0% RH~80% RH
Wind Speed range: 0 to 70m/s
Minimum detectable wind speed: 0.2m/s
Interface/Output: NPN or Open Drain output, 100mA maximum current sink
Wiring:
Brown: VCC (positive) power, 5V to 30VDC
Black: GND, 0V
Blue: NPN Output, require pull up resistor to logic voltage, recommended 5.1K Ohm
Green: NC (Not Connected)
Pulses Per Rotation: 20 pulses per rotation
Wind speed: 1.75m/s = 20 pulses per second