Part Numbers

RXW-WCF-900

RXW-WCF-868

RXW-WCF-922

RXW-WCF-921

HOBOnet Wind Speed and Direction Sensor

$495.00 USD
A wireless sensor that works with HOBOnet to record wind speed, wind gust, and wind direction.

Important Information

A complete system requires at least one HOBO RX3000 Remote Monitoring Station, a HOBOnet Wireless Manager, and a HOBOnet Wireless Sensor, OR one HOBO MicroRX Station (which has an integrated HOBOnet Wireless Manager) and a HOBOnet Wireless Sensor. HOBOnet Wireless Repeaters (RXW-RPTR-xxx or RXW-RPTR-B-xxx) can be added to extend the range.

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Overview

A wireless sensor that works with HOBOnet to record 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.

Features


Sensor Features

  • Provides average wind speed, highest 3-second wind gust, and average wind direction for the measurement interval
  • Designed to meet World Meteorological Organization (WMO) guidelines

Wireless Features

  • 900 MHz wireless mesh self-healing technology
  • 450 to 600 meter (1,500 to 2,000 feet) wireless range and up to five hops
  • Up to 50 wireless sensors or 336 data channels per HOBO RX station
  • Simple button-push to join the HOBOnet wireless network
  • Onboard memory to ensure no data loss
  • Powered by rechargeable AA batteries and built-in solar panel
Specifications

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-921: 921 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
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)
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
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CE Compliance Mark
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United States FCC Mark
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Taiwan Compliance Mark
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Australia-New Zealand Regulatory Compliance Mark (RCM)
Compatible items

Tripod Parts, Kits and Masts

M-TPA-KIT
$369.00 USD
M-TPB-KIT
$259.00 USD
M-TPA
$209.00 USD
M-TPB
$79.00 USD
M-MPA
$69.00 USD
M-MPB
$49.00 USD

Batteries

HWSB-LI
$26.00 USD
HRB-NiMH-2
$12.00 USD

Grounding Wires

CABLE-MICRO-G
$14.00 USD
M-GKA
$79.00 USD

Compliance Certificates

COMPLIANCE CERT
$30.00 USD

Web-based Monitoring Systems - via remote communication

Communications

RXMOD-RXW-xxx
$199.00 USD
RXMOD-RXW-900
$199.00 USD
RXMOD-RXW-868
$199.00 USD
RXMOD-RXW-922
$199.00 USD
RXMOD-RXW-921
$199.00 USD
RXW-RPTR-xxx
$159.00 USD
RXW-RPTR-900
$159.00 USD
RXW-RPTR-868
$159.00 USD
RXW-RPTR-922
$159.00 USD
RXW-RPTR-921
$159.00 USD
Documents

RXW Davis® Wind Speed and Direction Sensor (RXW-WCF-xxx) Manual

View View

RXW Davis® Wind Speed & Direction Sensor (RXW-WCF-xxx) Quick Start

View View
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