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Wind Sensor

Thies Clima German For site assessment and measurement of power performance of wind energy power plants. Class A, B and S accredited according to IEC 61400-12-1 (2005-12) ISO 17713-1, Measnet; Classcup • High quality anemometer class 0.5 • Optimised dynamic behaviour even at high turbulence intensity • minimum over-speeding • excellent linearity r > 0,99999 • low power • high survival speed • excellent price performance ratio patented design EP 1 489 427, DE 103 27 632, EP 1 398 637
$0.00
Technical Data
Meas  range 0,3...75 m/s
Meas. instability (w/o calibration) 0,3...50 m/s < 1% of meas. value or < 0,2 m/s
Survival speed 80 m/s (min. 30 minutes)
Permissible Ambient condit. -50…+80 °C, all occurring situations of relative humidity (incl. dew moistening)
Output signal
Form rectangle
Frequency 1082 Hz @ 50 m/s
Amplitude is supply voltage, max. 15 V
Load R > 1 kΩ (Push-pull output with 220 Ω in series)
C < 200 nF (corresp. to length typical cable < 1km)
Linearity Correlation factor r between frequency and wind speed
y= 0,0462*f+0,21 typical 
r > 0.999 99 (4…20 m/s)
Starting velocity < 0,3 m/s
Resolution 0,05 m wind run
Distance constant <3m (acc. To ASTM D 5096 – 96)
Inclined flow
Measuring value deviation Δv compared with stationary horizontal flow: Δv < 1 %
Wind velocity v = 8 m/s
Horizontal turbulence Intensity t <= 20%
Turbulence structure
(rough country)
r <= 0,8d
Average deviation from the horizontal flow ð <= 2°
Turbulent flow Deviation Δv turbulent compared with stationary horizontal flow -0.5% < Δv < +2% Frequency < 2 Hz
Classification According to IEC 61400-12-1 (2005-12)
Class A classification index A 0,9
Class B classification index B 3,0
Class S classification index S 0,5
wind load at 75 m/s approx. 100 N
Heating Surface temperature of housing neck > 0 °C at 20 m/s up to –10 °C air temperature, at 10 m/s up to –20 °C using the THIES icing standard 012002 on the housing neck.
Heating regulated by temperature sensor.
Electrical supply for opto-electronic scanning
Voltage 3,3...42 V DC (galvanic isolation from housing)
Current 0,3 mA @ 3,3 V typical (w/o external load)< 0,5 mA @ 5 V (w/o external load)
Electrical supply for heating
Voltage 24 V AC/DC (galvanic isolation from housing)
Idling voltage max. 30 V AC, max. 42 V DC
Capacity 25 W
Connection 8-pole plug-connection for shielded cable in the shaft
Mounting Mounting on mast R 1", for ex. DIN 2441 1½ " with separate adaptor (option)
Weight approx. 0,5 kg
Protection IP 55 (DIN 40050)
EMC Reference number
IEC 61000-6-2: 2005

IEC 61000-6-3: 2006


IEC 61010-1: 2001
Specification
Electromagnetic compatibility
Immunity for industrial environment
Electromagnetic compatibility
Emission standard for residential, commercial and light industrial environments
Safety requirements for electrical equipment for measurement, control and laboratory use.
Part 1: General requirements