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HD52.3D Series – 2 Axis Ultrasonic Anemometer
Brand: Delta OHM S.R.L.
The instruments of the series HD52.3D… are 2 axes ultrasonic static anemometers for measuring
- Wind speed and direction, U-V Cartesian components of wind speed
- Wind Gust – Measurement available only with MODBUS-RTU and SDI-12 protocols
- Relative Humidity and Temperature (optional),
- Global Solar Radiation (optional)
- Barometric pressure (optional)
- Rainfall (optional)
The “Rainfall” and “Global solar radiation” options are alternatives (they can not be both present in the same instrument).
All models are equipped with a magnetic compass.
The average of wind speed and direction over a period configurable up to 10 mins is calculated.
RS232, RS485, RS422 and SDI-12 serial interfaces are available with NMEA, MODBUS-RTU and SDI-12 communication protocols.
All versions have two analog outputs, both for wind speed and for direction, factory configurable among 4÷20mA (standard), 0÷1V, 0÷5V, 0÷10V (to be specified when ordering).
Advantages:
- The absence of moving parts minimizes maintenance;
- High sensitivity for detecting very low speeds, which are not detectable by traditional methods;
- The low power of the instrument allows installation in remote sites, with power from solar panel and battery;
- The heating option ‘R’ prevents the accumulation of snow and ice from forming, allowing accurate measurements in all environmental conditions;
- Fast and easy installation, alignment facilitated by built-in compass;
- The available measurement options join together in one single, compact and lightweight instrument, the main variables of interest in weather stations;
- MODBUS-RTU output allows instrument networking.
- All-in-One Compact and Light
- High Sensitivity
- Made to Operate Under Any Condition
- Accurate and Reliable System
- Great Flexibility
- Fast & Easy
- Low Power Consumption
Specifications
Brand
Wind Speed Sensor
- Ultrasounds
Wind Speed Measuring Range
- 0…60 m/s (0…50 m/s with rain gauge option)
Wind Speed Resolution
- 0.01 m/s
Wind Speed Accuracy
- ± 0.2 m/s or ± 2 %, the greatest (0…35 m/s), ± 3 % (> 35 m/s)
Wind Direction Sensor
- Ultrasounds
Wind Direction Measuring Range
- 0 to 359.9°
Wind Direction Resolution
- 0.1°
Wind Direction Accuracy
- ± 2° RMSE from 1.0 m/s
Compass Sensor
- magnetico
Compass Measurement Range
- 0…360°
Compass Resolution
- 0.1° C
Compass Accuracy
- ± 1°
Relative Humidity Sensor
- Capacitive
Relative Humidity Measuring Range
- 0…100 %RH
- option 17 is required
Relative Humidity Resolution
- 0.1%
- option 17 is required
Relative Humidity Accuracy (@ T = 15…35° C)
- ± 1.5 %RH (0…90 %RH), ± 2 %RH (remaining range)
Relative Humidity Accuracy (@ T = -40…+70° C)
- ± (1.5 + 1.5 % of measure) %RH
Barometric Pressure Sensor
- Piezoresistive
Barometric Pressure Measuring Range
- 300…1100 hPa
Barometric Pressure Resolution
- 0.1 hPa
Barometric Pressure Accuracy
- ± 0.5 hPa @ 20° C
Solar Radiation Sensor
- Thermopile
- option P is required
Solar Radiation Measuring Range
- 0…2000 W/m2
- option P is required
Solar Radiation Resolution
- 1 W/m2
- option P is required
Solar Radiation Accuracy
- Spectrally Flat Class C
Rainfall Sensor
- Tipping bucket
Rainfall Resolution
- 0.2 mm
Rainfall Accuracy
- 99 % up to 120 mm/h
Rainfall Maximum Rainfall Rate
- 2000 mm/h
Rainfall Collector Area
- 127 cm2
- Wind Speed (up to 85 m/s)
- Wind Direction
- Cartesian U-V Components of Wind Speed
- Wind Gust
- Relative Humidity and Temperature (Optional)
- Global Solar Radiation (Optional)
- Atmospheric Pressure (Optional)