A75-302 Potentiometer Wind Vane by COMPTUS®

A75-302 Wind Vane.jpg
Comptus A75-302 Wind Vane.jpg
A75-302 Wind Vane North Alignment Mark.jpg
A75-302 Wind Vane Potentiomenter Connection Terminals.jpg
A75-302 Wind Vane.jpg
Comptus A75-302 Wind Vane.jpg
A75-302 Wind Vane North Alignment Mark.jpg
A75-302 Wind Vane Potentiomenter Connection Terminals.jpg
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A75-302 Potentiometer Wind Vane by COMPTUS®

$241.00

Proven and rugged wind direction vane with ratiometric potentiometer output for long cable runs in Wind energy applications.

Please see the MeteoWind Compact wind vane with anemometer as an alternative MEASNET accuracy solution or contact Comptus Inc. directly.

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ADVANTAGES

Primary replacement for C3 Wind Vane in Wind Resource Assessment applications

  • Prooven in wind resource assessment for over 20 years

  • Durable construction with anodized aluminum and stainless steel


APPLICATIONS & USE

  • Meteorological studies

  • Wind direction sensor for wind data loggers

  • Yaw control on wind turbines

  • Environmental monitoring

  • Crane and lift operations wind monitoring

RELIABLE AND ACCURATE WIND SPEED & DIRECTION

  • Simple mechanical construction

  • Long life, industrial/commercial grade potentiometer

  • Corrosion resistant materials

  • Multiple mechanical and contact seals

  • Very stable and smooth response to wind changes

  • Fully balanced sensor vane

  • Designed to minimize icing.


MAINTENANCE

Proven dirt resistance and reliability with long service intervals over 20+ years

Proven years of reliability in wind energy application in highly dusty and dirty environments all around the world.

  • Optimized labyrinth and sliding bearings for dirt resistance.

  • Simple and reliable construction.

SPECIFICATIONS

A75-104 Three Cup Anemometer Per IEC 61400-12-1 & IEC 61400-12-2:
Power performance measurements of wind turbines and on nacelle anemometry.
Type Accuracy Resolution Measuring range Environmental conditions range Starting wind speed Distance constant Survival wind speed
A75 Wind Direction Vane ±1% linearity Ratiometric 3-wire analog output 0...360°
(5° dead band)
-55°C…60°C
0...100 %RH
2.2 MPH (1 m/s) 3m @ 5 m/s 0...214 MPH (96 m/s)

Specifications

Materials:

Tail Black UV stabilized injection molded polycarbonate Housing: Conductive Black UV stabilized polycarbonate Balance weight: bronze

Terminals: three #4-40 brass studs with nuts Potentiometer: aluminum shaft in sealed precision grade, stainless steel ball bearings, conductive plastic potentiometer element mounted in a machined aluminum housing.


A75 wind vane technical specifications and dimensional drawings can be found in the data sheet link above.

Mounting: 13 mm (0.5 in) diameter mast
ELECTRICAL
Output signal Range: Direction-355 degrees electrical (5 degrees open), Signal: Analog DC voltage from conductive plastic potentiometer resistance 10 Kohm; linearity 1.0%, life expectancy of 50 million revolutions (4-6 years normal operation)
Supply Voltage 1...15 VDC
Power consumption Based on cable length and position of the 10 Kohm potentiometer excitation of 1VDC to 15 VDC
ENVIRONMENTAL RATING
Operating temperature -55°C to +60°C (-67°F to 150°F)
Operating humidity range 0% to 100% RH
Survival wind speed 96 m/s (214 MPH) continuous
Connection Wire terminals housed under a rubber boot
IP – Protection rating IP53W (DIN 40050)
SIZE, DIMENSIONS & WEIGHT
Size Vane radius 270 mm (10.5 in), Overall vane size - 6 cm h x 10 cm l (2.3 in x 3.8 in), Main housing diameter - 5 cm (2 in)
Total height height - 12 cm (4.3 in)
weight = aprox. 100g (0.2 lb)without mount
Patented
Mounting Using a cotter pin on a 13 mm (0.5 in) diameter mast with a #35 hole 11 mm (.35 in) from the top. Tighten electrical terminals to 3 ounce-inches torque./td>

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