High Performance Wind Sensor (H-375)

WaterLOG Wind Sensor (H-375)

Want rugged durability with all the accuracy of a light weight wind sensor? The High Performance Wind Sensor (H-375) is built rugged to survive harsh environments, yet light weight enough to produce accurate horizontal wind speed and direction measurements. It's simple design and corrosion-resistant construction make it ideal for a wide range of wind measuring applications. Pair this sensor with any WaterLOG data logger for increased reliability and data collection in real-time.

  • Features
  • Specifications

The WaterLOG High Performance Wind Sensor (H-375) is a rugged yet accurate and light weight, instrument for measuring horizontal wind speed and direction.

Other Features

  • Operating temperature range of -50°C to 60° C
  • UV stabilized plastic with stainless steel and anodized aluminum fittings
  • Precision grade, stainless steel ball bearings
  • Transient protection and cable terminations located in an environmentally sealed junction box
  • Interfaces with many data loggers
  • Precision Potentiometer housed in a sealed chamber
  • Instrument mounts on a standard 1 inch pipe
  • Mounting orientation ring assures correct alignment of wind direction reference
  • Slip rings and brushes are eliminated for increased reliability
Range

Wind Speed

224 mph (0-100 m/s)
Azimuth 360° mechanical, 355° electrical (5° open)
Accuracy
Wind Speed

± 0.6 mph (0.3 m/s)
Wind Direction ± 3°
Threshold
Propeller 2.2 mph (1.0 m/s)
Vane 2.4 mph (1.1 m/s)
Propeller Distance Constant (63% recovery) 8.9 ft. (2.7 m.)
Vane Delay Distance (50% recovery) 4.3 ft. (1.3 m.)
Dynamic Response
Damping ratio 0.3
Damped Natural Wavelength 24.3 ft. (7.4 m.)
Undamped Natural Wavelength 23.6 ft. (7.2 m.)
Signal Output
Wind Speed

Magnetically induced
Azimuth Magnetically induced AC voltage, 3 pulses per revolution. 1800rpm (90 Hz) = 19.7 mph (8.8 m/s)
Life Expectancy 50 million revolutions
Wind Speed OutputMultiply Frequency ByTo Get Units
1 Hertz
0.0980 Meters/Second
0.1904 Knots
0.2192 Miles/Hours
.03528 Kilometers/Hour
20 Propeller RPN
The coefficient used to convert the frequency into the desired units should be entered as the frequency slope.
Mechanical
Size

14.6 in. H x 21.7 in. L

(37 cm. x 55 cm.

Propeller Size 7 in. (18 cm.) diameter
Mounting 1.34 in. (34 mm.) diameter (standard. 1 in. pipe)
Weight

Sensor: 2.2 lbs. (1.0 kg.)

Shipping: 5 lbs. (2.3 kg.)

Power
 Potentiometer Excitation 15 VDC maximum
General Specifications
Operating Temperature -50 ° to +50 ° C
Warranty The WaterLOG® H-375 High Performance Wind Sensor is warranted against defects in materials and workmanship for twenty-four months from date of shipment.