WindObserver 75
Gill WindObserver 75 – Extreme Accuracy, Built to Withstand Extreme Winds
- High-speed wind measurement up to 75 m/s
- WindObserver 75 RS422 output and configuration
- Ultrasonic wind sensor for AWOS or MET systems
The Gill WindObserver 75 is a high-range ultrasonic wind sensor designed for precise measurement of wind speed and direction in extreme environments. Built from durable stainless steel and rated IP66, it operates reliably in harsh conditions such as offshore, aviation, and industrial sites. The sensor can measure wind speeds up to 75 m/s with full 360° directional coverage, providing accurate and maintenance-free performance thanks to its solid-state, no-moving-parts design. It supports multiple digital outputs, including RS422 and RS485, for easy integration with monitoring systems. With optional heating for cold or icy environments, the WindObserver 75 delivers dependable data and long-term durability for professional meteorological and environmental applications.
- Heating power 7A @ 24VAC or DC (1W/cm²)
- 0-75m/s wind speed range
- 0-360º wind direction range (no dead band)
- Wind speed accuracy for turbine control ±1% within ±25º of datum
- Calibration traceable to national standards
- IP66 rated stainless steel construction
- Optional base mounts/cable exit
- Averaging/gusts to WMO guidelines
- Building controls/structural safety
- High altitude mountainous regions
- Arctic/Antarctic Weather monitoring
- Marine vessels dynamic positioning systems
- Wind turbine control
- Road & rail tunnels/transport safety
- Ports & Harbours
- Aircraft landing systems
WIND SPEED |
|
| Range | 0 - 75 m/s (0-168mph) |
| Accuracy |
±2% @12 m/s (1% for turbine control) |
| Resolution | 0.01 m/s |
| Starting Threshold | 0.01 m/s |
| Offset | 0.01 m/s |
DIRECTION |
|
| Range | 0 - 360° |
| Dead band direction | None |
| Accuracy |
±2° @12 m/s (1˚ for turbine control) |
| Resolution |
1° |
MEASUREMENT |
|
| Ultrasonic output rate |
1 - 4Hz |
| Parameters | UV, Polar, NMEA |
| Units | m/s, knots, mph, km/h, ft/min |
| Average (Selectable) | Rolling average - 1, 2, 10 m.n, Gust - 3s |
| Block average | 0-3600s |
DIGITAL OUTPUT |
|
| Communication | RS422/RS485 full duplex/half duplex |
| Baud rates |
1200, 2400, 4800, 9600, 19200, 38400 |
| Formats |
8-bit data; odd, even or no parity |
| Anemometer status | Supplied as part of standard message |
MECHANICAL |
|
| External Construction | Stainless steel 316 |
| Size |
Refer to diagram overleaf |
| Weight |
1.7kg (with 2m cable) 1.3kg (with connector) |
ENVIRONMENTAL |
|
| Protection Class |
IP66 (NEMA4X) |
| Humidity | 0% to 100% RH |
| Operating Temperature | -55°C to +70°C (Heated option) |
| Precipitation | 300mm/hr |
| EMC | EN 61326-1: 2013, EN60945:2002 |
| Icing | MILSTD810F Method 521.2 Procedure I |
POWER REQUIREMENT |
|
| Anemometer only | 9 - 30 VDC (60mA max, 50mA average) |
| Heating | Max 7A @24 VAC or DC |
APPROVALS |
|
| Standards | Traceable to national standards |
| Site Calibration | None required. Integrity check unit (Zero wind) supplied as optional extra |
1. Where can I buy the Gill Instruments WindObserver 75 Ultrasonic Anemometer in Malaysia?
You can purchase the Gill Instruments WindObserver 75 Ultrasonic Anemometer directly from Surechem Sdn. Bhd., the authorized distributor for Gill Instruments in Malaysia.
📍 Address: 35, Jalan Radin Anum 2, Bandar Baru Sri Petaling, 57000 Kuala Lumpur, Wilayah Persekutuan Kuala Lumpur
📞 Contact: 03-9058 6626
📧 Email: surechem@surechem.com.my
We supply genuine Gill Instruments products for industrial, meteorological, and research applications.
2. Does the WindObserver 75 come with a warranty?
Yes. All Gill Instruments WindObserver 75 sensors supplied by Surechem Sdn. Bhd. include a 1-year manufacturer’s warranty covering manufacturing defects. Please retain your invoice for warranty validation or contact us for support.
3. Is technical support available in Malaysia?
Yes, Surechem Sdn. Bhd. provides complete local technical support for all Gill Instruments products. Our team can assist with installation setup, integration with monitoring systems, troubleshooting, and after-sales service.
4. Does the WindObserver 75 require maintenance or calibration?
The WindObserver 75 Ultrasonic Anemometer is durable and built for reliable long-term operations. However, regular inspection and calibration are advised to ensure continued accuracy, especially for safety-critical applications. Surechem Sdn. Bhd. can arrange calibration and verification services locally in Malaysia.
5. How can I request a quotation or product brochure?
To request a quotation, product datasheet, or calibration service, please contact:
📞 03-9058 6626 | ✉️ surechem@surechem.com.my | 🌐 https://www.surechem.com.my/
Our sales team will provide detailed pricing, stock availability, and technical documentation promptly.
