The Gill Instruments 2-Axis Ultrasonic Anemometer range provides high-precision, solid-state wind measurement across four distinct architectural footprints. Built entirely without moving parts to eliminate mechanical wear, friction, and on-site calibration, this portfolio scales effortlessly to match the physical and environmental demands of any project. The ecosystem spans from the foundational, ultra-reliable WindSonic and its hardened WindSonic M variant to the space-conscious, next-generation WindUltra, optimised for tight deployments and fast digital integration. For deep industrial infrastructure, the stainless-steel WindObserver series provides commercial marine approvals, optional heavy-duty heating elements, and explosive-atmosphere protections. Where project parameters require more than standalone wind speed and direction, the MaxiMet series operates as an all-in-one meteorological station, fusing ultrasonic wind sensors with GPS positioning, compass heading, and multi-parameter climate instrumentation into a unified, time-synchronised data output.
The WindSonic is foundation of Gill’s ultrasonic anemometers and their longest serving ultrasonic anemometer and most popular. It often replaces problematic mechanical cup-and-vane anemometers across sites looking for a cost-effective, maintenance-free solution that fits standard budget constraints.
The WindUltra is Gill’s most compact, space-efficient 2-axis sensor. Step up to this model if space is limited or your deployment subjects the instrument to high-pressure washdowns or immersion. Its aggressive IP69K rating and streamlined twist-lock alignment make it uniquely suited for short-term installations that move sites frequently. Units feature a 7.6W heating system.
The WindObserver is a heavy-duty, precision instrument constructed entirely of 316 stainless steel. You should spec a WindObserver if your project requires Lloyds Register Type Approval for commercial marine vessels, FAA/CAA compliance for airport runways, or Intrinsically Safe (ATEX/IECEx) certifications for oil and gas platforms. Furthermore, its 150W heating elements handle extreme, rapid icing conditions that would overwhelm a WindSonic M’s 100W heaters.
The Maximet anemometers offer a more detailed wind reading that other units. They feature an internal compass, offering Apparent Wind readings, and optional GPS sensor, allowing for True Wind readings. Options are also available to monitoring other related environmental parameters. These additions make it the ideal option for utility vehicles, emergency response units, and commercial vessels.
The WindObserver Anemometers range is based on an open head design. This allows for higher wind speed measurement and greater accuracy when the angle of wind flow is increased. With higher output rates, a range of output formats and a robust stainless steel design, the range is popular for specialist applications such as marine, airport and wind power generation.
WindSonic ultrasonic anemometers are designed to provide wind measurements and flexible output options. Customers around the world have found WindSonic easy to use and reliable and have integrated it into a wide range of their own products.
The MaxiMet wind sensors are ultrasonic wind speed and direction sensors with an electronic compass and optional GPS sensor. Offering Relative, True and Apparent Wind Speed and Direction readings. Offering more detailed wind readings than the standard ultrasonic anemometers.
WindUltra anemometers are more compact and lightweight than the WindSonic range and offer innovative mounting features for quick installation and alignment. The range is suitable for most applications and comes with a range of output formats. WindUltra incorporates a reflector design and has low power consumption heating as standard.
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