Ultrasonic Wind Speed and Direction Smart Sensor(S-WCG-M003)

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Overview

The Ultrasonic Wind Speed and Direction Smart Sensor is compact and rugged with no moving parts. Because this sensor is ultrasonic it is able to measure very low wind speeds, down to 0.4 m/s (compared to 1.0 m/s for our mechanical sensors). As with all Onset smart sensors, this sensor is plug-and-play with HOBO stations (RX3000, USB Micro Station, H22, and the U30-NRC). Because it is automatically recognized by HOBO stations, there is no need for programming, resulting in fast and easy deployment. The sensor is powered by its own built-in solar panel.

Interested in wireless sensors? The wireless Wind Speed and Direction sensor is available for use with the HOBOnet Field Monitoring System.

Highlighted Features

  • Compact and rugged with no moving parts
  • Plug-and-play with HOBO stations
  • No starting threshold – suitable for low wind speeds
  • No wind direction dead band – accurate wind data in all directions
  • Powered by its own built-in

Specifications

Wind Speed/Gust Wind Direction
Measurement Range 0 to 41.16 m/s (0 to 92.07 mph) 0 to 359 degrees
Accuracy ±0.8 m/s (1.79 mph) or ±4% of reading, whichever is greater 0.2 to 3 m/s (0.44–6.7 mph):
±4 degrees
>3 m/s (6.7 mph): ±2 degrees
Resolution 0.4 m/s (0.89 mph) 1 degrees (0 to 359 degrees)
Measurement Definition Wind speed readings are taken every three seconds for the duration of the logging interval
Wind speed: Average speed for the entire logging interval
Gust speed: The highest three-second wind recorded during the logging interval
See Measurement Operation.
Unit vector averaging used; vector components for each wind measurement are calculated every three seconds for duration of logging interval (see Measurement Operation)
Operating Temperature Range Without Icing -15°C to 55°C (5°F to 131°F)
Environmental Rating Weatherproof
Housing Polyacetal
Dimensions Sensor length: 380 mm (14.96 inches)
Sensor head diameter: 60 mm (2.36 inches)
Sensor rod diameter: 16 mm (0.63 inches)
Weight 200 g (7 oz)
Power Supply Photovoltaic panel, LIFEP04 3.2 V -600 mAh battery
Bits per Sample 8 for each channel, 24 total
Number of Data Channels* 3
Measurement Averaging Option Automatic averaging (see Measurement Operation)
Cable Length Available 3 m (9.8 ft)
Length of Smart Sensor Network Cable* 0.5 m (1.6 ft)

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