Wind and Weather Sensors - Vaisala

Vaisala WINDCAP® Ultrasonic Wind Sensor WMT700 Series is a robust and reliable ultrasonic anemometer. It measures surface wind, which is one of the key parameters for meteorology and aviation. The WMT700 Series meets the updated – WMO-No.8 guide, 7th edition – and ICAO requirements.

Accurate and Maintenance-free
The WMT700 series has a durable full steel structure with welded arms, clear north indication, and one-point, quick bayonet-style mounting. It has has no moving parts, and it is resistant to contamination and corrosion. It measures accurately and produces reliable data in demanding wind conditions and climates without periodic or on-demand maintenance. Self-diagnostics and validation of measurement are standard features. The 60-min. average is available for polar coordinates and vectors.

Standard and Heated Models
The sensor operates with a power supply of 9 … 36 VDC. For the heated model, an additional heating power supply of 24 … 36 VDC is required. Thermostatically controlled heaters in the transducer heads and arms of the heated model prevent build-up of freezing rain or snow. In addition, accessories are available for mounting and connecting the WMT700. To minimize interference from birds, a bird prevention kit is available.

Key Features

• WMO and ICAO compliant
• Data output rate 4 Hz and 8 Hz
• Stainless steel structure
• Maintenance-free
• Three-transducer layout provides accurate data
• Data format outputs: polar coordinates and vectors
• Fully compensates eects of temperature, humidity, and pressure
• Measurement range up to 90 m/s (201 mph)
• Heating up to 250 W
• IP66 and IP67
• Large transducers provide high ultrasound power
• Optional bird prevention kit
• Wind gust calculated according to the WMO guidelines
• US National Weather Service and the FAA rely on Vaisala WINDCAPâ technology

Specifications

WMT700 Datasheet 2026 (PDF)

Configuration code is required: WMT700 Order Form 2026 (PDF)

WXT532 is part of the Weather Transmitter WXT530 Series. It is an ultrasonic wind sensor in a lightweight package. It incorporates decades of Vaisala experience in wind measurement using ultrasound to determine horizontal wind speed and direction. With no moving parts, the sensor has high sensitivity as the measurement time constant and starting threshold are virtually zero.

This makes it superior to conventional mechanical wind sensors. It is ideal for use in marine applications as the housing with the mounting kit is water resistant. The sensor is also suitable for meteorological and environmental monitoring, for example, for measuring wind speed and direction in automatic weather stations.

Applications

WXT532 is ideal for use in marine applications as the housing with the mounting kit is water resistant. The sensor is also suitable for environmental monitoring, for example, for measuring wind speed and direction in automatic weather stations.

Key Features

• Triangular design ensures excellent data availability
• Maintenance-free with no moving parts
• Optional heating available
• Compact, durable, and robust
• Low power consumption
• IP66 housing with mounting kit
• mA output suitable for industrial applications
• Cost-eective
• Optional accredited wind calibration (MEASNET) available
• DNV GL Type Examination

Data sheet on WXT532 (pdf, opens in a new tab)

WXT532 Vaisala Ultrasonic Wind Sensor
Configuration code required: WXT530 Order Form (PDF)

Anemometer and wind vane with crossarm and power supply.

With a proven track record of successful installations, the Vaisala Wind Set WA15 has earned its reputation as the industry standard in the wind sensor market.
The WA15 consists of

• a Vaisala Anemometer WAA151,
• a Vaisala Wind Vane WAV151,
• an optional crossarm, see below for 3 choices
• a power supply and cabling. The WHP151 power supply provides the operating and heating power needed for the WA15. See under Spare Parts below.

Anemometer with Excellent Linearity

WAA151 is a fast response, low-threshold anemometer. Three lightweight, conical cups mounted on the cup wheel, provide excellent linearity over the entire operating range, up to 75 m/s (168 mph). A wind-rotated chopper disc attached to the shaft of the cup wheel cuts an infrared light beam 14 times per revolution. This generates a pulse output from the phototransistor.

Key Features

• High-performance wind measurement set
• Long and successful track record in meteorological applications
• Accurate wind speed and direction measurement
• Low measurement starting threshold
• Conical anemometer cups provide excellent linearity
• Heated shaft prevents bearings from freezing

WA15 Wind Set Datasheet (PDF) 

Order form for WA15 (pdf, opens in a new tab)

Configuration code is required

The latest version of these world-class weather instruments supports the modbus protocol, unlocking new industrial applications such as renewable energy, building and industrial automation, and manufacturing.
WXT530 is a simple system that utilizes solid state technologies to minimize operating and maintenance costs. Integration is easy and flexible through the digital and analog interface. You can also connect third party sensors to WXT530 to create your own weather parameter hub.Features

• Measurement parameters are integrated into one multiparameter platform
• Weather parameter hub having analog input options
• Set of 3rd party analog sensors can be connected (Temperature PT1000, solar radiation, water/snow level, tipping bucket)
• Digital interface incorporates also analog input parameters
• Analog output options
• Wide variety of digital communication modes
• Complies ISO60945 standard for maritime use
• DNV certificate approval
• Wide range of operating and heating voltages, No moving parts, Configuration Tool for PC, Works also with solar panels, USB connectivity, IP66 housing with the mounting kit, Machine-to-machine interface
• WXT530 fulfills IEC60945 maritime standard

Key Features

• Choose parameter combination
• Easy to use and integrate
• Weather parameter hub
• Analog sensors can be added
• Compact, light-weight
• Low power consumption
• mA output suitable for  industrial applications
• Cost effective
• Exceeds IEC60945 maritime standard.

Key Benefits

Flexibility
The WXT530 is a series of weather instruments that provides six of the most important weather parameters, which are air pressure, temperature, humidity, rainfall, wind speed and direction through various combinations. You can select the transmitter with the needed parameter(s) into your weather application, with a large variety of digital communication modes and wide range of voltages.

Integration
The series offers analog input options for additional third party analog sensors. With the help of the built in analog to digital converters, you can turn the Weather Transmitter WXT530 into a small, cost effective weather parameter hub. Additional parameters include the solar radiation, tipping bucket rain gauge, ultrasonic level sensor and external temperature sensor. Further, the analog mA output for wind speed and direction enables wide variety of industrial applications.

Solid performance
The WXT530 Series has a unique Vaisala solid state sensor technology – it uses HUMICAP, BAROCAP, THERMOCAP, RAINCAP and WINDCAP technologies. To measure wind the ultrasonic Vaisala WINDCAP Sensors are applied to determine horizontal wind speed and direction. Barometric pressure, temperature, and humidity measurements are combined in the PTU module using capacitive measurement for each parameter. Liquid precipitation are measured with acoustic RAINCAP sensor.

• The rain measurement is based on the unique acoustic Vaisala RAINCAP Sensor without flooding, clogging, wetting, and evaporation losses.
• There is a heated option available.
• Low power consumption enables solar panel applications.

WXT530 Series Datasheet (PDF)
Configuration Code Required: WXT530 Order Form (PDF)

WXT530 DNVGL Certificate (pdf, opens in a new tab)