Model R3-100 - Research Anemometer
From Ultrasonic Anemometers & Wind Sensors
The R3-100 anemometer is ideal for scientific research applications, with a fast sampling rate of 100Hz. This 3-axis ultrasonic anemometer is used extensively for the determination of fluxes using the Eddy Covariance method.R3-100 will monitor wind speeds of 0-45m/s at environmental operating temperatures of -40ºC to +60ºC. Analogue, sonic temperature, speed of sound and U,V,W vector outputs are provided as standard, with optional analogue and PRT inputs available.
The R3-100 offers class-leading 3-axis wind measur...
The R3-100 offers class-leading 3-axis wind measurement in a robust aluminium/carbon fibre construction. This anemometer is also available with an asymmetric sensor head for minimal flow disturbance, more information can be found on the R3A-100 page.
Features
- 3-axis sonic anemometer providing wind speed and direction data
- 100Hz Data Output Rate
- 0-45m/s wind speed
- 0-359º wind direction range (no dead band)
- Ideal for Eddy Covariance Studies
- Free data logging software
- U, V, and W vector outputs
- Speed of sound and sonic temperature outputs
- Robust aluminium/carbon-fibre casing
Specifications
Wind Speed Specifications
- Range: 0-45m/s
- Accuracy: <1.0% RMS
- Resolution: 0.01m/s
Wind Direction Specifications
- Range: 0-359º
- Accuracy: <±1.0º RMS
- Resolution: 1º
Speed of Sound
- Range: 300 - 370m/s
- Resolution: 0.01 m/s
- Accuracy: < ±0.5% @ 20ºC
Measurement
- Ultrasonic Output Rate: 100Hz
- Output Formats: UVW, Speed of Sound
Digital Output
- Communication: RS422 full duplex, 8 data bits, 1 stop bit, no parity
- Baud Rates: 2400 - 115200
- Output Rate: Selectable 0.4 to 100Hz
Analogue Outputs (via supplied PCIA unit)
- Quantity: 7 (U,V,W, SOS, PRT plus 2 analogue inputs)
- Sampling: ±10, ±20, ±30, ±60 m/s
- Update Rate: 0.4 to 100Hz
- Range and Resolution: ±2.5V, 14 bits
- Accuracy: <0.25% of FSR
Analogue Inputs (via optional SIU)
- Quantity: 6 differential inputs
- Sampling Rate: 100Hz
- Range and Resolution: ±5V, 14 bits
- Accuracy: <0.1% of FSR
PRT Input (via optional IU, PRT100 not included)
- Input Resolution: 0.01ºC
- Input Accuracy: <0.01ºC (0ºC to +50ºC), <0.15ºC (-40º to +60ºC)
Inclinometer (optional)
- Range and Resolution: ±20ºC, 0.01º
- Null Repeatability: ±0.15º
- Accuracy: ±0.3º (-10º to +10º of inclination)
Power Requirement
- Anemometer: 9-30V DC <4W (<150mA @ 24V DC or 300mA @ 12V DC)
Mechanical
- Material: Aluminium / Carbon Fibre
- Weight: 1.0 Kg
- Size: 750mm x 240mm
Environmental
- Protection Class: IP65
- Operating Temperature: -40ºC to +60ºC
- Precipitation: 300mm/hr
- EMC: Emissions BS EN 50081-1 : 1992 (Emissions), Immunity BS EN 50082-1 : 1997 (Immunity)
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