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Ultrasonic Anemometer Alat untuk mengukur kecepatan angin secara ultrasonic.

HD2003 and HD2003.1 are three axis ultrasonic anemometers, they measure
the speed and direction of wind, the U-V-W Cartesian components of speed,
sound speed and sonic temperature.
The HD2003 allows also to detect temperature and relative humidity of the
air and barometric pressure.
The HD2003 main features are:
• Determination of the anemometric quantities represented in diverse measurement
units: wind speed and direction, U-V-W Cartesian components of speed,
sound speed, sonic temperature.
• ( HD2003 Model) additional output quantities: Temperature, Relative Humidity
and Pressure.
• 5 analogue voltage or current outputs, with different measuring ranges.
• RS232 and Multidrop RS485 Serial Communication interfaces.
• Confi gurable output rate of digital output data string.
• Confi gurable average periods 1÷ 60sec and 1÷ 60min. for all output quantities.
• Algorithmic raw date processing and validation, assuring ± 1% precision to
anemometric quantities.
• Digital high frequency data acquisition mode with 50Hz data output.
• Self-diagnosis with error checking and report.
• Reliability and precision on whole measuring range, no additional calibration
required.
• Flexible, easy-to use operating software, confi gurable according to the user’ s
needs through Computer interface.
• User interface for ‘ Setup’ management and software upgrade through RS232 or
RS485.
• Automatic alignment to the magnetic North through built in compass.
• No moving part, with reduced maintenance and service costs.
• Rugged and reliable structure, suitable for continuous operation even in severe
environmental conditions.
• Low power consumption.
• ( On request) Heaters Option: built-in heating device of sonic transducers, to
prevent ice and snow formation. Assures correct measurements even in presence
of sleet or snow.
Typical applications:
- Meteorology
- Aviation and Navigation
- Tunnels, Highways
- Climatology
- Sport and winter stations
- Safety in yards
- Industrial buildings
Technical specifi cations
Output quantities
• Anemometric parameters Wind speed and direction, Sound Speed, Sonic Temperature,
U-V-W Components
• Meteorological parameters ( Model HD2003) Pressure, Temperature, Relative Humidity
• Heading Compass with magnetic Azimuth
• Moving Averages 1÷ 60 sec./ 1 ÷ 60 min.
• Output rate 1÷ 50Hz ( RS232 or RS485)
Wind Speed
• Measuring unit m/ s, cm/ s, km/ h, knots, mph
• Range 0÷ 60 m/ s ( 216 km/ h)
• Resolution 0.01 m/ s
• Accuracy ± 1% of reading
Wind Direction
• Range Azimuth: 0÷ 360° Elevation: ± 60°
• Resolution 0. 1°
• Accuracy ± 1°
Sound speed
• Range 300 ÷ 380 m/ s
• Resolution 0.01 m/ s
• Accuracy ± 1% of reading
Sonic Temperature
• Range -40 + 60° C
• Resolution 0.1 ° C
• Accuracy ± 1° C
Compass
• Range 0 ÷ 360°
• Resolution 0.1 °
• Accuracy ± 1°
Digital Outputs
• Communications RS-232 full duplex, Multidrop RS-485 half duplex
• Baud Rate 9600 ÷ 115200 bit/ sec.
• Output Rate Normal functioning mode: 1 ÷ 3600 sec
Digital high frequency: 1/ 50 sec
• Measured data Digital string of anemometric quantities and compass
( Model HD2003) Pressure, temperature, relative
humidity
Analog Outputs
• Number 5, selectable between all available output quantities
• Range 0÷ 20mA, 4÷ 20mA, 0÷ 1V, 0÷ 5V, 1÷ 5V, 0÷ 10V
• Resolution 14 bit max
Power supply
• Range 12 ÷ 30 VDC
• Power