El sensor inalámbrico HOBOnet de velocidad y dirección del viento registra la velocidad del viento, la ráfaga de viento y la dirección del viento. Los sensores inalámbricos HOBOnet comunican los datos directamente a la estación meteorológica RX3000 o los transmiten a través de otros sensores inalámbricos a la estación central. Están preconfigurados y listos para ser implementados, y se accede a los datos a través de HOBOlink, la innovadora plataforma de software basada en la nube de Onset.
Características destacadas
Características del sensor
Proporciona la velocidad media del viento, la ráfaga de viento más alta de 3 segundos y la dirección media del viento para el intervalo de medición.
Diseñado para cumplir las directrices de la Organización Meteorológica Mundial (OMM)
Funciones inalámbricas
Tecnología de autocuración de malla inalámbrica de 868 MHz
Alcance inalámbrico de 450 a 600 metros
Hasta 50 sensores inalámbricos por RX3000
Pulsando un simple botón se conecta a la red inalámbrica HOBOnet
Memoria integrada para garantizar que no se pierdan datos
Funciona con pilas AA recargables y panel solar integrado
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
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
Wireless Data Standard
IEEE 802.15.4
Radio Operating Frequencies
RXW-WCF-900: 904–924 MHz
RXW-WCF-868: 866.5 MHz
RXW-WCF-922: 916–924 MHz
Modulation Employed
OQPSK (Offset Quadrature Phase Shift Keying)
Data Rate
Up to 250 kbps, non-adjustable
Duty Cycle
<1%
Maximum Number of Motes
50 motes per one RX Wireless Sensor Network
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)
Weight
Sensor and cable: 1.332 kg (2 lb, 15 oz)
Mote: 223 g (7.87 oz)
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
Environmental Rating
Sensor: Weatherproof
Mote: IP67, NEMA 6
Compliance Marks
RXW-WCF-900
RXW-WCF-868
RXW-WCF-922
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