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anemometer, cup anemometer, direction wind, , meteorological instrument,  sensor wind,  speed meter, weather equipment, weather instrument, wind anemometer, wind direction indicator, wind meter, wind speed indicator, wind indicator, wind speed meter, weather station equipment, weather measuring instrumentModel HAE IceFreeIII® Heated Anemometer Accuracy: Wind Speed - ±0.2 m/s for 5-25 /s
Use: Extreme Conditions
Durability Rating: 9

The HAE Anemometer is electrically heated to resist build up of ice and snow. As the body temperature is lowered by cold air, rain, snow or ice striking the head the internal heater increases it heat output. It is built to withstand over 200 MPH winds yet the HAE cup assembly’s light weight and hollow design allows a high rate of heat transfer, a short distance constant of 25 feet and low power consumption. It produces a sine wave output signal that varies in amplitude and frequency with wind speed. The output signal is linear with wind speed.

The cups and body of the HAE are fabricated of aluminum with black anodized finish. It is supplied with a 0.91 M (3 foot) cable with screw lock connection.

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TECHNICAL SPECIFICATION:

RANGE:
Wind Speed- 0-25 m/s (53 mph)
Survival - 95 m/s (200 mph)
ACCURACY:
Wind Speed - ±0.2 m/s for 5-25 m/s
THRESHOLD:
Threshold sensitivity of rotor 1.1 m/s (2.5 mph).
DYNAMIC RESPONSE:
Distance constant (63% recovery) of rotor 7.6 m (25 feet).
SIGNAL OUTPUT:
m/s = (Hz x 0.572) + 1.00 [miles per hour = (Hz x 1.28) + 2.24]
POWER REQUIRED:
Heater Power: 24 VAC @ 10.0 Amperes, Peak.
OPERATING TEMPERATURE
-40° to 60° C
DIMENSIONS:

overall assembly height : 224 mm (8.82 inches)
body diameter: 70 mm (2.75 inches)
swept diameter of rotor: 127 mm (5 inches)

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
WEIGHT:
Sensor weight 1 kg. (2.3 lbs.)
ACCESSORIES:
A96 Surge Arrestors
Transformer for heater power
Wind tunnel calibration

Product Specification Sheet:  IceFree III Heated Anemometer Specs.

Product Instruction Manual :  Icefree III Instruction Manual