The WindMaster is a precision 3-axis ultrasonic anemometer designed to provide accurate wind measurements, including wind speed, sonic temperature, speed of sound, and U, V & W vector outputs. With a wind speed range of 0–50 m/s and data output up to 20 Hz, it is ideal for analyzing turbulent airflow, surface energy balance, and scalar fluxes. Its lightweight aluminium and carbon-fibre construction makes it well suited for meteorological monitoring, building ventilation, bridge and building turbulence studies, wind turbine sites, and flux measurement applications.
Specifications
Wind Speed
| Parameter | Specification |
|---|---|
| Range | 0 – 50 m/s |
| Resolution | 0.01 m/s |
| Accuracy* | <1.5% RMS @12 m/s |
| Accuracy* | <1% RMS @12 m/s (Custom) |
Direction
| Parameter | Specification |
|---|---|
| Range | 0 – 360° |
| Resolution | 0.1° |
| Accuracy | 2° @12 m/s |
| Accuracy | 0.5° @12 m/s (Custom) |
Sonic Temperature
| Parameter | Specification |
|---|---|
| Range | -40°C to +70°C |
| Resolution | 0.01°C |
| Accuracy | -20°C to +30°C within ±2°C of ambient temperature |
Speed of Sound
| Parameter | Specification |
|---|---|
| Range | 300-370 m/s |
| Resolution | 0.01 m/s |
| Accuracy | < ±0.5% @ 20°C |
Measurement
| Parameter | Specification |
|---|---|
| Internal sample rate | 20 Hz or 32 Hz |
| Output Parameters | 1, 2, 4, 8, 10, 16 & 32 (Option) Hz |
| Units of Measure | m/s, mph, kph, knots, ft/min |
| Formats | UVW or Polar |
Digital Output
| Parameter | Specification |
|---|---|
| Communication | RS232, 422, 485, Binary |
| Baud Rates | 2400 – 57600¹ |
| Format | ASCII |
Analogue Outputs – Optional
| Parameter | Specification |
|---|---|
| Resolution | 12 bits or 14 bits |
| 4 channels available | |
| Selectable Range | User selectable full scale wind speed |
| Output type | 0-20mA, 4-20mA, 0-5V, ±2.5V, ±5V |
Analogue Inputs – Optional
| Parameter | Specification |
|---|---|
| Resolution | 12 bits or 14 bits |
| Up to 4 single ended or 2 differential | |
| Input Type | ±5V |
Power Requirement
| Parameter | Specification |
|---|---|
| Anemometer | 9-30 VDC (55mA @ 12 VDC) |
Mechanical
| Parameter | Specification |
|---|---|
| Weight | 1.0 kg |
| Size | 750mm x 240mm |
Environmental
| Parameter | Specification |
|---|---|
| Protection Class | IP65 |
| Operating Temp | -40°C to +70°C |
| Humidity | <5% to 100% RH |
| Precipitation | 300mm/hr |
| EMC | BS EN 61000 – 6 – 3 (Emissions)BS EN 61000 – 6 – 2 (Immunity) |
Wind Energy
Marine Vessels
Meteorological
Buildings
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