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Lufft VENTUS Ultrasonic Wind Sensor Metal Housing, with Heater
Lufft VENTUS Ultrasonic Wind Sensor Metal Housing, with Heater
 
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Description
 

Lufft VENTUS Ultrasonic anemometer, 240W heater, metal housing

Extremely precise and maintenance-free measurement of wind velocity and wind direction as well as calculation of acoustic virtual temperature.

Lufft VENTUS belongs to Lufft's WS family of professional intelligent sensors with digital and analog interfaces.

The ultrasonic wind sensor is designed without mechanical parts as they have been used with traditional “cups and vanes”.

The digital or analog output delivers instantaneous, average, min or max value with flexible measuring rate. The Lufft VENTUS is heated in case reaching critical ambient conditions. This ultrasonic wind sensor is made for cold climates!

Lufft VENTUS Ultrasonic Wind Sensor is Recommended for:

  • Wind turbines
  • Marine/ships
  • Meteorology
  • Building automation

The following outputs are available:

  • NMEA
  • ASCII
  • UMB
  • 4... 20 mA, 0...10V
  • SDI12
  • MODBUS (ASCII, RTU)

LUFFT VENTUS-UMB8371.UM
DimensionsØ approx. 150 mm, height approx. 200mm
Weightapprox. 1.7kg
Wind direction
PrincipleUltrasonic- 2.4Ghz
Measuring range0.1…359.9°
Resolution0.1°
Accuracy±2° RMSE >1.0m/s
Start-up Threshold0.1m/s
Wind speed
PrincipleUltrasonic- 2.4Ghz
Measuring range0…75m/s
Resolution0.1m/s
Accuracy±0.2m/s or ±2% of reading, whichever is greater
Start-up Threshold0.1m/s
Unitm/s; km/h; mph; kts
Virtual temperature
PrincipleUltrasonic
Measuring range-58...+158°F (-50°C...+70°C)
Resolution0.1 K
Accuracy±2.0K (without heater and without sun exposure)
Measuring rate60 partial measurements/15 full measurements per second
Measurement output rate1-10 seconds adjustable, default 10s
Air pressure
PrincipleMEMS Capacitive
Measuring range300…1200 hPa
Accuracy±0.5 hPa
Data output digital
InterfaceRS 485 semi-/full duplex, isolated
Baud rate1200-57600
Measurement rate instantaneous value1-10s
Measurement Avg (arithmetic, vector), Min, Max1-10min
StatusHeating, sensor failure
Data output analog
only semi-duplex mode
output signal4-20mA, 0...10V frequency (instantaneous, avg, min, max)
Loadmax.300 Ohm
Resolution16bit
General Information
Operating temperature-40..+60°C (with heating)
Bus operationup to 32 devices
Operating voltage electronics24 VDC ±10 % or 24 VDC/1.2 VA
with heating24 VDC, max. 240 VA (140 W + 100 W)
connection8 pole plug
Housing materialAnodized aluminium, seawater-proof
ProtectionIP 65
Pole diameter50 mm / 2"
factory certificateyes
Jarring testAccording to IEC 60945
Corrosion testAccording to MIL-STD-810 Method 509.3
Ice-free testAccording to MIL-STD-810F Method 521.2
Ultrasonic Wind Sensor Accessories
Surge protection8379.USP-V
Power supply 24V/10A8366.USV2
UMB interface converter ISOCON8160.UISO
Connection cable Ventus/V200A, 15m incl. connector8371.UK015
Connection cable Ventus/V200A, 50m incl. connector8371.UK050
Connector Ventus/V200A8371.UST1

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