HS-50 Horizontal-Head Research Anemometer

HS-50 3-axis Horizontal-Head Research Anemometer

The HS-50 has been designed for scientific research applications requiring accurate 3-axis wind speed and direction information.

 

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Product Description

Hs-50 3-axis Horizontal-Head Research Anemometer

This instrument utilises advanced ultrasonic measurement technology, with a unique horizontal head design that allows for more accurate measurement of vertical flows with minimal interruption from the anemometer geometry. The head features a built-in inclinometer for simple positioning of the instrument on a tower or mast. A separate electronic unit allows easy access to the PRT and 6 analogue inputs.

HS-50 will monitor wind speeds of 0-45m/s, with a fast sampling rate of 50 Hz. The instrument can be positioned close to the ground or to crop and tree canopies for accurate measurement of surface turbulence.

 

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Technical specs

Features:
  • Precision 3-Axis 3-axis Sonic Anemometer
  • U, V, W vector outputs
  • 50Hz output rate
  • 0-45 m/s wind speed
  • 0-359° wind direction
  • Stainless Steel construction
  • Horizontal Head for Minimal Flow Disturbance
Applications:
  • Wind Turbulence Measurement
  • Component Wind Velocity UVW
  • Wind Profiling
  • Remote Research facilities
  • Off-shore installations
  • Test Sites

Documents

Download HS-50 Spec
Download HS-50 Manual

 

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Product Features

Wind Speed

Range:

  • 0-45m/s
Resolution:
  • 0.01 m/s
Accuracy:
  • <1% RMS

Wind Direction

Range:

  • 0 - 359°

Resolution:
Accuracy:
  • <±1° RMS

Speed of Sound

Range:

  • 300-370m/s
Resolution:
  • 0.01 m/s
Accuracy:
  • < ±0.5% @ 20°C

Ultrasonic Measurement

Ultrasonic output rate:

  • 50Hz
Parameters:
  • UVW, Speed of Sound

PRT Input

Input resolution

  • 0.01°C

Input accuracy:
  • <0.01°C (from 0°C to +50°C)
  • <0.15°C (from -40°C to +60°C)

 

Digital Output

Communication:

  • RS422 full duplex, 8 data bits, 1 stop bit, no parity

Baud Rates:
  • 2400 - 115200

Output parameters:

  • Selectable 0.4 to 50 Hz

Analogue Outputs - Via supplied PCIA

Quantity

  • 7 (U, V, W, SoS, PRT plus 2 analogue outputs)

Scale
  • ±10, ±20, ±30, ±60 m/s

Update rate
  • 0.4 to 50 Hz

Range and resolution
  • ±2.5V, 14 bits

Accuracy
  • <0.25% of FSR

Analogue Inputs

Quantity

  • 6 differential inputs

Sampling rate

  • 50 Hz

Input Range / resolution
  • ±5V, 14 bits

Accuracy
  • <0.1% of FSR

Environmental

Protection Class

  • IP65

Operating Temperature
  • -40°C to +60°C

EMC
  • EN 50081-1: 1992 (Emissions)
  • EN 50082-1: 1992 (Immunity)
Precipitation
  • 300mm/hr

Suitable
  • Exposure to a marine environment

Inclinometer

Range and resolution

  • ±20°, 0.01°

Null repeatability

  • ±0.15°

Accuracy
  • ±0.3° (from -10° to +10° of inclination)

Power Requirement

Anemometer
  • 9-30 VDC

    (<150mA @ 24 VDC or 300mA @ 12 VDC)