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T: 514-354-2511
T: 1 800 463-4363
F: 514-354-6948
Anemometer, AC Sine, 10.0m

Anemometer, AC Sine, 10.0m

Product Code:IceFree3


Need more Info? (514) 354-2511 - 1-800-463-4363

SPECIFICATIONS
DESCRIPTION
Sensor type 3 cup heated anemometer
Applications
  • Wind resource assessment
  • Wind turbine control
  • Meteorological studies
  • Ski area maintenance
  • Environmental monitoring
Sensor range Maximum rated wind speed is 90 m/s (200 miles per hour) 
OUTPUT SIGNAL
Signal type Variable amplitude sine wave, frequency proportional to wind speed
Anemometer Transfer Function m/s = (Hz x 0.572) + 1.00 [miles per hour = (Hz x 1.28) + 2.24] 
Sensor to Sensor Variation 99.7% of sensors fall within 4.3% of stated transfer function
(based on over 800 samples) 
Calibration Available upon request - contact NRG for more information.
Output signal range 0 Hz to 155 Hz 
POWER REQUIREMENT
Heater supply voltage
  • 24 V AC/DC
  • optional transformer available
Heater supply current
  • Inrush: 8 A maximum
  • Steady state: 1 A at 20 °C (68 °F), 4 A under maximum thermal load
    (head frozen in clear ice then powered on)
INSTALLATION
Mounting Mounts to a 27 mm (1.05 inch) diameter (3/4 inch IPS) pipe with a 5/16 inch nut and bolt; cabling exits into mounting pipe 
Tools required 13 mm (0.5 inch) nut driver 
ENVIRONMENTAL
Connections Signal Cable
  • Clear: signal
  • Black: ground
  • Shield drain
Heater Cable
  • Black / white: heater power (AC/DC)
Cable length
  • Signal & Power cables: 10.0m (32.7 feet)
  • Extension kits available
Weight 1.45 kg (3.2 pounds) 
Dimensions
  • Overall assembly height : 224 mm (8.82 inches)
  • Body diameter: 70 mm (2.75 inches)
  • Swept diameter of rotor: 127 mm (5 inches)
MATERIALS
Cups Precision balanced aluminum with black anodized finish and heat-resistant black paint 
Body Cast aluminum with black anodized finish and heat-resistant black paint 
Shaft Centerless ground, stainless steel 
Bearing Stainless steel ball bearings with application specific lubrication 
Magnet 4 pole ceramic 
Coil Single coil, shielded for ESD protection 
Cable
  • Signal: 2 conductor 20 AWG, chrome PVC jacket with overall foil shield and drain
  • Heater: 2 conductor 20 AWG, Teflon jacket with braid shield and drain
Enclosure
  • Sealed to IP55
  • Heater is epoxy encapsulated to IP65
Heater Fully encapsulated, self-regulating 
Base Cast aluminum with black anodized finish and heat-resistant black paint 

 

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