A75-302 Potentiometer Wind Vane by COMPTUS®
A75-302 Potentiometer Wind Vane by COMPTUS®
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.
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.
| 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 | Mounting: 13 mm (0.5 in) diameter mast|
| 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> |
