First Class Anemometer Advanced X
The First Class Advanced anemometer is a rugged cup anemometer designed for demanding wind-measurement applications in renewable energy and meteorological observation, built to IEC 61400-12-1 and ISO 17713-1 standards. It outputs wind speed over RS-485 Modbus RTU and is available with or without an integrated heater.
- Range
- 0 ... 75 m/s
- Output
- RS-485 Modbus RTU; 1082 Hz at 50 m/s
- Ingress
- IP55
Overview
In detail
How it works
Cups mounted on a spindle capture the wind, and the spindle's rotation rate is directly related to wind speed. The sensor reports the horizontal component of wind velocity as a digital output, reaching 1082 Hz at 50 m/s, delivered over an RS-485 Modbus RTU connection for easy integration into a SCADA system.
Standards and applications
The anemometer is designed and accredited to IEC 61400-12-1 and ISO 17713-1. It is used for wind farm feasibility studies and operation (including shutdown in very high winds), adverse-weather infrastructure closure warning systems, and meteorology data acquisition for weather bureau forecasts.
Construction
The housing is anodised aluminium and the cup star is carbon-fibre glass reinforced. The unit carries IP55 ingress protection, mounts onto a 1 inch mast tube, and survives wind speeds up to 80 m/s for a minimum of 30 minutes. It weighs 0.5 kg and can be supplied with or without an integrated heater for cold climates.
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Specifications
Technical specifications
- Range
- 0 ... 75 m/s
- Accuracy
- < 1% of meas. value (0.3 ... 50 m/s) or < ±0.2 m/s
- Linearity
- r > 0.99999 (4 ... 20 m/s)
- Delay distance
- < 3 m (per ASTM D 5096-96)
- Output
- RS-485 Modbus RTU; 1082 Hz at 50 m/s
- Supply voltage
- 3.3 ... 48 V DC
- Operating temperature
- -50 ... +80°C
- Ingress
- IP55
- Survival speed
- 80 m/s (min. 30 minutes)
- Weight
- 0.5 kg
- Mounting
- Onto mast tube, Ø 1 inch
Related
Often specified alongside
Weathertech
X-LAS MkII Scintillometer
- Path length
- 1 to 12 km
- Dimensions
- 1010 x 552 x 426 mm (with sunshield) 18,75 kg
- Wavelength
- 850 nm
- Range
- 0-100,000 µS/cm ±2%
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