The Gill Instruments WindObserver 90 user manual provides installation, configuration, specifications, and maintenance details for the ultrasonic anemometer.
This manual covers everything needed to install and operate the WindObserver 90 ultrasonic anemometer. It includes fast‑track set‑up instructions, detailed wiring and connector information, and guidance on networking multiple units.
The document also describes message formats, configuration commands, and maintenance procedures, plus optional de‑icing heating and safety notes for handling the transducer caps.
| Measurement Output | 1, 2 and 4 Hz |
|---|---|
| Parameters | UV, Polar, NMEA |
| Units | m/s, Knots, MPH, KPH, ft/min |
| Wind Speed Range | 0 – 90 m/s (201 mph) |
| Wind Speed Accuracy | ±2 % @12 m/s |
| Resolution | 0.01 m/s |
| Direction Range | 0 – 359° |
| Direction Accuracy | ± 2° |
| Power Requirement | 20‑30 V DC, 50 mA average |
| Heating (optional) | 7 A @ 24 V AC rms ± 15 % |
| Weight | 1.34 kg |
The unit requires 20‑30 V DC with an average current draw of 50 mA and is reverse‑voltage protected.
The heating option is recommended for de‑icing when severe icing conditions are expected.