Gill Instruments

WindMaster

ClimateMeteorological Station & Sensors

Gill WindMaster – Capture Every Dimension of the Wind with 3D Precision

Atmospheric boundary layer measurement
3D wind speed and direction sensor
Wind turbulence measurement instrument

Quantity

Overview

The Gill WindMaster is a high-performance 3-axis ultrasonic anemometer designed to measure wind speed and direction in three dimensions with exceptional accuracy and fast response. Using advanced ultrasonic technology, it provides detailed data on turbulence and airflow dynamics, making it ideal for meteorological research, environmental monitoring, and wind engineering studies. Constructed from lightweight yet durable materials, the WindMaster offers robust performance in all weather conditions and features digital outputs such as RS422 or RS485 for seamless data integration. With its precision measurement capabilities and rugged design, the WindMaster is trusted by researchers and professionals who require accurate 3D wind analysis in demanding environments.

Key Features

Precision 3-axis sonic anemometer
20Hz output rate
0 m/s wind speed
0-360° wind direction
U, V, W vector outputs
Sonic temperature output
Aluminium/Carbon fibre construction
Optional custom calibration

Typical Applications

Power Lines
Bridges
Viaducts
Building ventilation control systems
Measurement Masts
Skyscrapers
Wind Turbine Test Sites
Meteorological & Flux measurement sites

Specifications


WIND SPEED
Range	0 - 50 m/s
Accuracy*	<1.5% RMS @12 m/s
Resolution	0.01 m/s
Accuracy*	<1% RMS @12 m/s (Custom)

DIRECTION
Range	0 - 360°
Accuracy	2° @12 m/s
Resolution	0.1°
Accuracy	0.5° @12 m/s (Custom)

SONIC TEMPERATURE
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
Range	300-370 m/s
Resolution	0.01 m/s
Accuracy	< ±0.5% @ 20°C

MEASUREMENT
Internal sample rate 20 Hz or 32 Hz	20 Hz or 32 Hz
Output Parameters	1, 2, 4, 8, 10, 16, 20 & 32 (Option) Hz
Units of Measure	m/s, mph, kph, knots, ft/min
Formats	UVW or Polar

DIGITAL OUTPUT
Communication	RS232, 422, 485, Binary
Baud Rates	2400 - 57600
Format	ASCII

ANALOGUE OUTPUTS - OPTIONAL
Resolution 12 bits or 14 bits	4 channels available
Selectable Range	User selectable full scale wind speed
Output type	0-20mA, 4-20mA, 0-5 V, ±2.5 V, ±5 V

ANALOGUE INPUTS - OPTIONAL
Resolution 12 bits or 14 bits	Up to 4 single ended or 2 differential
Input Type	±5 V

POWER REQUIREMENT
Anemometer	9-30 VDC (55mA @ 12 VDC)

MECHANICAL
Weight	1.0 kg
Size	750mm x 240mm

ENVIRONMENTAL
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)