High Sensitivity Anemometer for Very Low Wind Speeds

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DeltaOHM HD53LS.S is a 2-axis ultrasonic static anemometer - high sensitivity to detect very low speeds. Measurement of wind direction, wind speed, and wind gust.  

Includes 5m cable. Pole is not included.

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HD53LS.S is a 2-axis ultrasonic static anemometer for measuring:

  • Wind speed and direction, U-V Cartesian components of wind speed.
  • Wind Gust 
  • HD53LS.S comes with RS485 MODBUS-RTU output.

The average of wind speed and direction over a period configurable up to 10 minutes is calculated.

Advantages of the HD53LS series:

  • The absence of moving parts minimizes maintenance.
  • High sensitivity for detecting very low speeds, which are not detectable by traditional methods.
  • Fast and easy installation (on ∅ 40 mm mast)
  • The low power of the instrument allows installation in remote sites, with power from solar panels and batteries.
  • The version with RS485 MODBUS-RTU output allows instrument networking.

Includes 5m cable. Pole is not included.

General features 

  • Power supply: 10 to 30 Vdc 
  • Digital output: RS485 MODBUS-RTU (only in HD53LS.S) 
  • Averaging interval: Configurable from 1 s to 10 min 
  • Electrical connection: M23 connector 
  • Operating temperature: -20…+55 °C 
  • Survival speed: 90 m/s 
  • Dimensions: H=179mm, ∅=150mm 
  • Weight: 640 g approx. 
  • Housing: ASA with metallic parts in AISI 316 
  • Protection: degree IP66

Wind speed 

  • Sensor type: Ultrasonic 
  • Measuring Range: 0…50 m/s 
  • Resolution: 0.1 m/s 
  • Accuracy: ± 0.2 m/s or ± 2%, the greatest (0…35 m/s) / ± 3% (> 35 m/s) 

Wind direction 

  • Sensor type: Ultrasonic 
  • Measuring Range: 0…359° 
  • Resolution: 1° 
  • Accuracy: ± 2° RMSE from 1.0 m/s 

Compass Sensor 

  • Magnetic Measuring range: 0…360° Resolution 0.1° 
  • Accuracy: ± 1° 

Faulty Goods and Warranty

Where such goods have been supplied we undertake to repair or replace them as quickly as possible.Prior to returning faulty items, please contact us with a description of the fault as one of our engineers might be able to assist you by resolving the issue over the phone.
A Warranty form must be filled out and returned with any goods.

Our standard warranty period is 12 months from the date of purchase unless stated otherwise.

Other warranty periods:

Labjack Products: 5 Years
Atop Products: 3 Years
MeanWell Products: 3 Years
Terracom Products: 3 Years

Warranty is subject to us being satisfied that a defect was caused by defective workmanship or materials and was not caused by or was not substantially contributed to by other factors beyond our control including incorrect installation, alterations or modifications of the product not recommended by the manufacturer.

Returns Policy

If you are dissatisfied with our goods you may return them within 14 days of the dispatch date. Contact us for an authorisation and we will refund your purchase less shipping costs and restocking fees. All returned goods MUST be in AS NEW condition including ALL PACKAGING and DOCUMENTATION / MANUALS etc.

Please note:

  • The product returned will attract a 20% restocking fee.
  • The customer must pay the delivery costs.
  • Non standard, custom made or a specially manufactured or imported products are not returnable.
  • Semiconductors, books and software are not refundable

Full Terms and Conditions

By placing an order with Ocean Controls, you agree to be bound by our Terms and Conditions of Trade.

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