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HWS: HOBO Weather Station
Sensor
inteligente de Velocidad y Dirección de Viento
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Especificaciones
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Measurement parameters: average wind speed, highest three second wind
gust, average wind direction (unit vector average)
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Construction: Anodized aluminum and
stainless steel construction for durability in adverse conditions. Wind
speed sensor has fiberglass reinforced thermoplastic
cups and shielded stainless steel ball bearings for fast response. Wind vane
has metal bushings.
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Velocidad de Viento y Ráfaga
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Dirección de Viento
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Measurement Range:
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0 to
44 m/s (0 to 99 mph)
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0 to
358°, 2° dead band
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Accuracy:
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±0.5 m/s (±1.1
mph) for <17 m/s (<38 mph)
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±5°
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±3% for 17 to 30 m/s (38 to 67 mph)
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±4% for 30 to 44 m/s (67 to 99 mph)
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Resolution:
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0.19 m/s (0.42 mph)
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1.4°
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Starting Threshold:
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0.5 m/s (1.1 mph)
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0.5 m/s (1.1 mph)
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Maximum Wind Speed Survival:
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54 m/s (120 mph)
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Damping Ratio:
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N/A
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0.4
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Distance Constant:
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approx 3 m (9.8 ft)
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0.8 m (2.6 ft)
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Measurement Definitions:
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Cup revolutions accumulated every three seconds. Wind speed is the
average over logging interval. Gust speed is highest three second wind over
logging interval.
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Vector wind direction accumulated every three seconds for duration of
logging interval. Average calculated from sum of the vector components over
logging interval.
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Operating Temperature Range:
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-40° to
75°C
(-40° to 167°F)
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Turning Radius:
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108 mm
(4.25")
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approx 305 mm
(12")
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Dimensions:
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Sensor: 317 mm
(12.5") H x 419 mm
(16.5") W
Mounting Pole: 355 mm (14") L x 12.7 mm (0.5")
diameter (not shown)
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Weight:
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700 g (1.5
lbs) (Sensor + cable + PC board in housing)
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Number of Data Channels
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3 total
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Cable Length
Available:
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3.0 m (9.8 ft)
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Length of Smart Sensor Network Cable:
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3.0 m (9.8 ft)
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Service Life:
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2 to 5 year life typical, depending on environmental conditions
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Note: Cross
Arm recommended see the Half Cross Arm (M-CAB) or the Full Cross Arm
(M-CAA)
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