The WindSonic 75 is a compact, high-speed ultrasonic anemometer designed for reliable measurement of wind speed and wind direction in demanding environmental conditions. Using proven ultrasonic technology with no moving parts, it provides accurate wind data through one serial or two analogue outputs and is WMO-compliant for gust measurement.
Specifications
| Section | Parameter | Specification |
|---|---|---|
| Wind Speed | Range | 0 – 75 m/s (146 knots) |
| Accuracy | <2% RMSE or 0.2m/s RMSE, whichever is greater (0-20m/s) <3% RMSE (20-60m/s) <5% RMSE (60-75m/s) |
|
| Resolution | 0.01 m/s (0.02 knots) | |
| Response time | 0.25 seconds | |
| Starting threshold | 0.01 m/s | |
| Wind Direction | Range | 0 – 360° (no dead band) |
| Accuracy | <2° RMSE (0-75m/s) | |
| Resolution | 0.1° Option 1,2 & 3 (output at 0, 1 or 2 decimal places) 0.1° Option 5 |
|
| Response time | 0.25 seconds | |
| Measurement | Output interval | 0.25, 0.5, 1, 2 or 4 Hz |
| Parameters | Wind speed & direction on U and V (vectors) | |
| Units of measurement | m/s, knots, mph, kph, ft/min | |
| Anemometer status | For unit diagnostics | |
| Outputs | Option 1 interface | RS232 |
| Option 2 interfaces | RS232, RS422, RS485** | |
| Option 3 interfaces | RS232, RS422, RS485* Analogue 0-5 V or 0-20 mA 4-20 |
|
| Option 1, 2 & 3 protocols | ASCII, NMEA 0183 | |
| Option 5 | Modbus RTU, 2-wire RS-485 | |
| Baud Rate | 2400 to 38400 | |
| Mechanical | External | LURANS KR 2861/1C ASA/PC |
| Power Requirement | Anemometer | 12-30 VDC Option 1 & 2 9-30 VDC Option 5 |
| Current drain | Dependent on option selectede.g. up to 44 mA @ 12V (4-20 mA) Refer to manual for further advice |
|
| Start up time < 5 seconds | ||
| Environmental | Protection class | IP66 |
| Operating | -35°C to +70°C | |
| Storage temperature | -40°C to +80°C | |
| Operating humidity | < 5% to 100% RH | |
| Precipitation | 300 mm/hr | |
| Operational | Warranty | 24 months |
| Factory calibration | Traceable to National Standards | |
| Accessories | Pipe mounting (optional) | 44.45 mm (1.75 in) diameter |
| Wind software | Display / logging* | |
| Cables (optional) | Available to match output option | |
| Display (optional) | See Gill Display datasheet |
Ports & Harbours
Road & Rail Tunnels
Small Airports & Helipads
Marine Vessel Systems
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