Senseca HD2003 Multiparameter 3-Axis Ultrasonic Anemometer
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Description
The Senseca HD2003 is a 3-axis static ultrasonic anemometer with multiparameter measurement capability, designed for simultaneous monitoring of key airflow and atmospheric parameters.
The instrument measures wind speed and direction, U-V-W Cartesian velocity components, wind gust, speed of sound, sonic temperature, air temperature, relative humidity, and barometric pressure.
The HD2003 features 5 analog voltage or current outputs, configurable for different measurement ranges. For digital communication, the instrument provides RS232 and multidrop RS485 serial interfaces.
The digital data output rate is configurable, while averaging periods for all output quantities can be set from 1–60 s and 1–60 min.
The instrument uses dedicated algorithms for processing and validating raw measurement signals, providing anemometric measurement accuracy of up to ±1%.
A high-frequency digital data acquisition mode with 50 Hz output is also available, making the instrument suitable for applications requiring fast monitoring of airflow variations.
The HD2003 includes self-diagnostics, with error checking and diagnostic reporting. It is designed to provide reliable and accurate operation across the full measuring range without requiring additional user calibration.
The instrument is supplied with PC software for configuration and data display, which can be adapted to the user’s requirements. Instrument setup and software upgrades can be managed through the RS232 or RS485 interface.
An integrated magnetic compass sensor enables automatic alignment to magnetic north, facilitating correct wind direction measurement.
Thanks to the absence of moving parts, mechanical maintenance requirements and servicing needs are significantly reduced. Its robust construction is suitable for continuous operation under harsh environmental conditions, while low power consumption supports integration into automatic and remote monitoring systems.
A heated version, HD2003R, is also available. It incorporates a built-in heating system for the ultrasonic transducers to prevent snow accumulation and ice formation, supporting reliable measurement even in sleet and snow conditions.
The Senseca HD2003 is suitable for meteorological monitoring, scientific and research measurements, automatic weather stations, airflow monitoring, and applications requiring simultaneous measurement of multiple atmospheric parameters.
Specifications
| Parameter | Value |
|---|---|
| Model HD2003 | 3-axis ultrasonic anemometer |
| Model HD2003R | 3-axis ultrasonic anemometer with integrated heating |
| Supplied Connector | 26-pole female free connector, supplied only if the optional cable is not ordered |
| Cable | Must be ordered separately |
| Anemometric Output Quantities | Wind speed and direction, U-V-W components, wind gust, speed of sound, sonic temperature |
| Meteorological Output Quantities | Barometric pressure, temperature, relative humidity |
| Heading | Magnetic azimuth from integrated compass |
| Digitally Transmitted Quantities | Anemometric quantities, compass, pressure, temperature, relative humidity |
| Digital Communication Interfaces | RS232; RS422 full-duplex on request at the time of ordering; RS485 Multidrop half-duplex |
| Communication Protocol | Modbus-RTU |
| Baud Rate | 9600–115200 bit/s |
| Digital Output Rate – Normal Mode (Slow) | 1–3600 s |
| Digital Output Rate – High-Frequency Mode (Fast) | Fixed at 50 Hz |
| Standard Analog Outputs – Number | 5, selectable from the available output quantities |
| Standard Analog Output Ranges | 0–20 mA, 4–20 mA, 0–1 V, 0–5 V, 0–10 V, 1–5 V |
| Standard Analog Output Resolution | Up to 14 bits |
| Extended Analog Outputs – Optional | Up to 12 outputs with additional ICP DAS I-7024 module |
| Extended Analog Output Ranges | 0–20 mA, 4–20 mA, 0–5 V, 0–10 V |
| Extended Analog Output Resolution | 14 bits |
| Extended Analog Outputs – Normal Mode (Slow) | 1–3600 s |
| Extended Analog Outputs – High-Frequency Mode (Fast) | 5–20 Hz depending on baud rate |
| Supply Voltage | 12–30 V DC |
| Power Consumption | < 2 W; typically 110 mA at 15 V DC |
| Power Consumption – Heated Models | < 6 W when ambient temperature is not lower than -10 °C |
| Operating Temperature Range | -40 to +60 °C |
| Operating Relative Humidity | 0–100% RH |
| Maximum Precipitation Rate | Up to 300 mm/h |
| Weight | 2.1 kg |
| Measurement Specifications | Value |
|---|---|
| Wind Speed – Units | m/s, cm/s, km/h, knots, mph |
| Wind Speed – Range | 0–70 m/s (252 km/h) |
| Wind Speed – Resolution | 0.01 m/s |
| Wind Speed – Accuracy | ±1% of reading |
| Wind Direction – Azimuth Range | 0–360° |
| Wind Direction – Elevation Range | ±60° |
| Wind Direction – Resolution | 0.1° |
| Wind Direction – Accuracy | ±1° |
| Speed of Sound – Range | 300–380 m/s |
| Speed of Sound – Resolution | 0.01 m/s |
| Speed of Sound – Accuracy | ±1% of reading |
| Sonic Temperature – Range | -40 to +60 °C |
| Sonic Temperature – Resolution | 0.1 °C |
| Sonic Temperature – Accuracy | ±1 °C |
| Compass – Range | 0–360° |
| Compass – Resolution | 0.1° |
| Compass – Accuracy | ±1° |
| Barometric Pressure – Sensor | Piezoresistive |
| Barometric Pressure – Range | 600–1100 mbar |
| Barometric Pressure – Resolution | 0.1 mbar |
| Barometric Pressure – Accuracy | ±0.4 mbar at 20 °C |
| Pressure Temperature Effect | ±0.8 mbar from -40 to +60 °C |
| Pressure Long-Term Stability | 1 mbar over 6 months at 20 °C |
| Temperature – Sensor | Pt100 |
| Temperature – Range | -40 to +60 °C |
| Temperature – Resolution | 0.1 °C |
| Temperature – Accuracy | ±0.2 °C; ±0.15% of reading |
| Relative Humidity – Sensor | Capacitive |
| Relative Humidity – Range | 5–98% RH |
| Relative Humidity – Resolution | 0.1% RH |
| Relative Humidity – Accuracy | ±2.5% RH at 23 °C |
| Moving Average Periods | 1–60 s / 1–60 min |
| Ultrasonic Measurement Rate | 60 Hz |