
9
Specifications
General
Operating Temperature. . . . . . . . . . . . . . . -40° to +150° F (-40° to +65° C)
Non-operating Temperature . . . . . . . . . . . -40° to +158° F (-40° to +70° C)
Sensor Type
Temperature . . . . . . . . . . . . . . . . . . . . . PN junction silicone diode
Relative Humidity . . . . . . . . . . . . . . . . . . Film capacitor element
Housing Material. . . . . . . . . . . . . . . . . . . . UV-resistant PVC plastic
Shield Dimensions, with bracket . . . . . . . . 8.1” high x 9.5” width x 7.8” deep
(206 mm x 241 mm x 198 mm)
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.6 lbs. (3.0 kg)
Sensor Output
(as used by Davis Instruments weather station consoles)
Temperature (Air)
Resolution and Units . . . . . . . . . . . . . . . 0.1°F or 0.1°C (user-selectable)
Range . . . . . . . . . . . . . . . . . . . . . . . . . . -40° to +150° F (-40° to +65° C)
Sensor Accuracy . . . . . . . . . . . . . . . . . . ±0.5°F (±0.3°C)
Radiation Induced Error. . . . . . . . . . . . . +4°F (2°C) at solar noon (insolation = 1040
W/m
2
, avg. wind speed <2 mph (1 m/s))
Update Interval . . . . . . . . . . . . . . . . . . . 10 seconds
Alarms. . . . . . . . . . . . . . . . . . . . . . . . . . High & Low Threshold from Current Reading
Relative Humidity
Resolution and Units . . . . . . . . . . . . . . . 1% RH
Range . . . . . . . . . . . . . . . . . . . . . . . . . 1 to 100% RH
Accuracy. . . . . . . . . . . . . . . . . . . . . . . . ±2%
Drift . . . . . . . . . . . . . . . . . . . . . . . . . . ±0.5% per year
Update Interval . . . . . . . . . . . . . . . . . . . 10 seconds
Alarms . . . . . . . . . . . . . . . . . . . . . . . . . High & Low Threshold from Current Reading
24-Hour Fan-Aspirated Radiation Shield
Aspiration Rate
Solar-powered, full sun . . . . . . . . . . . . . . 190 ft./min. (0.96m/s)
Battery only . . . . . . . . . . . . . . . . . . . . . . . 80 feet/min (0.4 m/s)
Radiation Induced Temperature Error . . . 0.5°F (0.3°C)
[At solar noon, insolation = 1040 W/m
2
]
(Reference: RM Young model 43408)
Battery Charge/Operating Temperature . . 32° to +113°F (0° to +45°C)
Battery Discharge/Storage Temperature . -4° to +140°F (-20° to +60°C)
Fan Primary Power . . . . . . . . . . . . . . . . . Solar panel
Fan Secondary Power . . . . . . . . . . . . . . . One or two 1.2 v NiMH C-cells
Содержание 6832
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