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WindObserver 65 Ultrasonic Anemometer

WindObserver 65 Ultrasonic Anemometer

Quick Overview

The WindObserver 65 has all of the performance features of the WindSonic with additional features including: Increased speed range, 0-65m/s; Optional de-icing system, extending the operational temperature range; IP66 Stainless Steel housing, which is particularly suitable for use in salt-water environments; Sonic temperature output; and scaleable analogue outputs (multiples of ±10m/s up to ±70m/s), with V or mA outputs. The WindObserver range of ultrasonic anemometers have a proven record in airport, offshore, marine and naval applications, plus it has been rigorously tested to a number of international standards.
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  • Precision Ultrasonic Anemometer
  • 0-65m/s (145mph) Wind Speed
  • 0-359° Wind Direction
  • Optional De-icing System
  • IP66 Rated Stainless Steel Construction
  • Sonic Temperature Output
  • Free Windview Software



Wind Speed Specifications

Range: 0-65m/s (0-145mph)
Starting Threshold: 0.01m/s
Accuracy: ±2% @ 12m/s
Resolution: 0.01m/s


Wind Direction Specifications

Range: 0-359° (no dead band)
Accuracy: ±2° @ 12m/s


Sonic Temperature

Range: -40 to +70°C



Ultrasonic Output Rate: 1, 2, 4, 5, 8, 10Hz
Parameters: UV, Polar, NMEA, Tunnel
Units: m/s, knots, mph, kph, ft/min
Averaging: Flexible, 1-3600 seconds


Digital Output

Communication: RS422/RS485 full duplex/half duplex
Baud Rates: 1200, 2400, 4800, 9600, 19200, 38400.
Formats: 8 bit data; odd, even or no parity
Anemometer Statue: Supplied as part of standard message


Analogue Output - Optional

Quantity: 3 (Speed, Direction, Status or Sonic Temp)
Scale: Multiples of ±10m/s up to ±70m/s
Type: ±2.5V, 0-5V or 4-20mA
V Output Resistance: 60 Ohms
4-20mA loading: 10-300 Ohms


Power Requirement

Anemometer Only: 9-30vDC (40mA @ 12vDC)
Heating (Optional): 3A @ 24vDC



External Construction: 316 Stainless Steel
Size: 381 x 213mm
Weight: 1.4Kg (excluding base & cable)


The new WindObservers are currently being approved by the Lloyd's Register of London. The previous generation,  WindObserver II, have approval and will be available on request until the new units are approved. Please contact us for details.

Availability: In stock

Price range : £2,141.00 - £3,001.00

Price as configured: £2,141.00

B - No Analogue Outputs, RS485/RS422 Digital Outputs Only   +£0.00

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Price as configured: £2,141.00


Part Builder

Description       WindObserver 65 Ultrasonic Anemometer with an IP66 Stainless Steel housing. Wind speed range 0-65m/s, wind direction 0-359° and sonic temperature -40 to +70°C.

Components / Downloads

For further information, technical advice, or a quotation please call or email us. If you are not sure which product you need one of our technical sales advisors will be happy to discuss your application. We also accept company purchase orders by fax or post. Credit card orders can also be placed over the phone for any product.

WindObserver 65 Ultrasonic Anemometer with an IP66 Stainless Steel housing. Wind speed range 0-65m/s, wind direction 0-359 degrees and sonic temperature -40 to +70°C. Optional heating and analogue outputs, plus various connection and base mounting options.
View FileDatasheet
   Size: (638.58 KB)

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Mounting Accessories

Anodized Aluminium Bracket with 316 grade Stainless Steel sensor mount with isolation gasket to reduce corrosion. The Bracket uses a mounting clamp suitable for attaching to a vertical pipe with a diameter of 30-58mm. When mounting the WindObserver, consider the position, orientation and alignment of the unit. Mount at the top of a pipe to ensure a clear unobstructed measurement view. Kit includes stainless steel mounting bolts, multiple earth points and wall / pole mounting kit



View FileDatasheet
   Size: (887.85 KB)
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