Specifications

100 Commerce Way, Woburn, MA 01801
TEL: 1-888-VAISALA (824-7252) FAX: [phone]
E-MAIL: [e-mail] Access catalog on-line at: www.vaisala.com/inc/ssdcat
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TECHNICAL DATA - WIND MEASURMENT SYSTEMS
WMS 301 Combined Wind Sensor
Anemometer
Sensor/transducer type Dual Reed switch
Measuring range 0.560 M/S
Starting threshold <0.4 M/S
Transducer output 1Hz~0.7 M/S
Accuracy (<= 10M/S) ± 0.3 M?S
Vane
Sensor/transducer type Potentiometer
Measuring range 0355 degrees
Starting threshold <0.1 M/S
Transducer output Vref/360= 1 degree
Accuracy Better than ± 3 degrees
Supply voltage 315 VDC
Operating temperature 41...+131 °F (+5...+55°C)
Storage temperature -76°149°F (-60+65°C)
Body AlMgSi Gray Anodized
Cups PA, reinforced carbon fiber
Vane PA, reinforced glassfibre
Dimensions 265 (H) X 360 (W) MM
Weight 360G
WAT 12 Wind Transmitter
Function Digital-to-analog current loop
converter for Vaisala wind sensors
Temperature range
operating -41...+131 °F (+5...+55°C)
storgae -76158°F (-60...+70°C)
Power 12 VDC to 28 VDC, 30 mA max.
(incl. sensors, excl. loop current)
Electrical connections Screw terminals, max wire cross
section area 1.5mm
2
Signal input from wind sensors (see above)
Output signals
Two analog current loops, one for direction, one for speed.
High side drivers; the loops return to the common signal &
power ground. Loop driving voltage typically 10V
Output accuracy Better than 1% of full scale
Loop current options 0-5 mA; 1-5 mA; 0-10 mA;
0-20 mA; 4-20 mA
Full scale options 0-360°/0-540° for direction
60 m/s for speed (optionally larger scales)
Signal cable Preferably 3-pair shielded twisted pair cable
WAA 151 Anemometer
Measuring range 0.4...75 m/s
Threshold 0.4 m/s
Distance constant 4 m
Accuracy below 10 m/s ±0.1 m/s
Accuracy 10...75 m/s ±2%
Sensor-transducer type LED/phototransistor (chopper)
Operating power supply 11..15.5 VDC; 20 mA typically
Heating power supply 20 V, 500 mA
Operating temperature 41...+131 °F (+5...+55°C)
Storage temperature -76...+158 °F (-60...+70°C)
Cup material Carbon fiber
Aluminum finish Paint
Dimensions 240 (h) x 86 (diam.) mm
Weight 500 g
WAV 151 Wind Vane
Measuring range 0..360°(wind speed 0.4..75 m/s)
Threshold 0.4 m/s
Resolution 5.6°
Damping ratio 0.14
Delay distance 0.4 m
Accuracy better than ±3 °
Transducer type Optical code disc
Sensor-transducer
output code GRAY code, 6-bit parallel
Operating power supply U
in
=9.5...15.5 VDC; 20 mA typical
Heating power supply AC or DC; 20 V, 500 mA
Operating temperature
with shaft heating below +0°C -58...+131°F (-50...+55°C )
Storage temperature -76..+158°F (-60...+70°C )
Dimensions
swept radius of vane 172 mm 300 (h) x 90 (diam.) mm
Weight 660 g
WAC 151 Cross Arm Assembly
Length 800 mm
Max. outside diameter for mast tube 60 mm
Cross arm material Aluminum
Weight 1.5 kg
WD 20/WD 30 Wind Displays
Type WD 20 Single channel wind display
Type WD 30 Multichannel averaging wind display
Features: Automatic brightness control
Desktop, panel or wall mounting
(stand included)
Material: Aluminum frame, ABS case, grey
Dimensions: 144x144 mm, depth 65 mm
Body design allows 120 mm panel mounting
Weight:
WD 20 580 g
WD 30 610 g
Supply voltage: 10.5 0 15.5 VDC
Power consumption at max. brightness
WD 20 3.8w
WD 30 15w
User Interface:
Speed 3-digit 7-segment LEDS
Speed min./channel 3-digit 7 segment LEDs
Speed max. 3-digit 7 segment LEDs
Speed unit Back-illuminated LED; m/s, km/h, kt
Direction Analog 2 x 36 LED elements in a circle
(inner circle for direction, outer circle for variation)
Operating mode: Back-illuminated yellow LED;
instant, 2 min or 10 min
Environmental:
Storage temperature -40...+140 °F (-40...+60°C)
Operating temperature 41...+131 °F (+5...+55°C)
Humidity 2...100%
EMC CE compliant
Vibration test according to MIL-STD-167-1
Options
Power supply for 110...220 VAC
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