HOBOnet Wind Speed and Direction Sensor
Product Options
Overview
The HOBOnet Wireless Wind Speed and Direction Sensor records wind speed, wind gust, and wind direction. HOBOnet Wireless Sensors communicate data directly to the HOBO RX3000 or the HOBO MicroRX station or pass data through other wireless sensors back to the central station. They are preconfigured and ready to deploy, and data is accessed through HOBOlink, Onset’s innovative cloud-based software platform.
Manufactured by: Onset
Model: HOBOnet Wind Speed and Direction Sensor
Services offered for this product
- Sales
- Rental
- Installation
- Calibration
- Maintenance
- IoT Cloud Compatible
Applications
Evapotranspiration
Wind
Specification
| Sensor | ||
| Wind Speed/Gust | Wind Direction | |
| Measurement Range | 0 to 76 m/sec (0 to 170 mph) | 0 to 355 degrees |
| Accuracy | ±1.1 m/sec (±2 mph) or ±5% of reading, whichever is greater |
±7 degrees |
| Resolution | 0.5 m/sec (1.1 mph) | 1.4 degrees (0 to 355 degrees) |
| Starting Threshold | ≤1 m/sec (2.2 mph) | 1 m/sec (2.2 mph) |
| Turning Radius | 108 mm (4.25 in.) | Approximately 135 mm (5.25 in.) |
| Measurement Definition | Cup revolutions are accumulated 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 |
Unit vector averaging used; vector components for each wind measurement are calculated every three seconds for duration of logging interval |
| Wireless Mote | ||
| Operating Temperature Range | -25° to 60°C (-13° to 140°F) with rechargeable batteries -40 to 70°C (-40 to 158°F) with lithium batteries |
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| Radio Power | 12.6 mW (+11 dBm) non-adjustable | |
| Transmission Range | Reliable connection to 457.2 m (1,500 ft) line of sight at 1.8 m (6 ft) high Reliable connection to 609.6 m (2,000 ft) line of sight at 3 m (10 ft) high |
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| Wireless Data Standard | IEEE 802.15.4 | |
| Radio Operating Frequencies | RXW-WCF-900: 904–924 MHz RXW-WCF-868: 866.5 MHz RXW-WCF-921: 921 MHz RXW-WCF-922: 916–924 MHz |
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| Modulation Employed | OQPSK (Offset Quadrature Phase Shift Keying) | |
| Data Rate | Up to 250 kbps, non-adjustable | |
| Duty Cycle | <1% | |
| Maximum Number of Motes | Up to 50 wireless sensors or 336 data channels per one HOBO RX station | |
| Logging Rate | 1 minute to 18 hours | |
| Number of Data Channels | 4 | |
| Battery Type/ Power Source | Two AA 1.2V rechargeable NiMH batteries, powered by built-in solar panel or two AA 1.5 V lithium batteries for operating conditions of -40 to 70°C (-40 to 158°F) | |
| Battery Life | With NiMH batteries: Typical 3–5 years when operated in the temperature range -20° to 40°C (-4°F to 104°F) and positioned toward the sun (see Deployment and Mounting), operation outside this range will reduce the battery service life With lithium batteries: 1 year, typical use | |
| Memory | 16 MB | |
| Dimensions | Sensor: 470 x 191 x 121 mm (18.5 x 7.5 x 4.75 in.) Cable length: 3 m (9.8 ft) Mote: 16.2 x 8.59 x 4.14 cm (6.38 x 3.38 x 1.63 inches) |
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| Weight | Sensor and cable: 1.332 kg (2 lb, 15 oz) Mote: 223 g (7.87 oz) |
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| Materials | Sensor: Polycarbonate wind cups, sealed stainless steel bearing, UV-resistant ABS wind vane and black-anodized aluminum anemometer arm Mote: PCPBT, silicone rubber seal |
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| Environmental Rating | Sensor: Weatherproof Mote: IP67, NEMA 6 |
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