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Appendix
Specifications
Complete specifications for the ISS and other products are available in the
Weather Support section of our website at www.davisnet.com.
Cabled ISS
Temperature range: . . . . . . . . . . . . . . . . . . -40 to 150° Fahrenheit (-40 to 65° Celsius)
Power input: . . . . . . . . . . . . . . . . . . . . . . . . Console cable from Vantage Pro2 console
Wireless ISS
Temperature range: . . . . . . . . . . . . . . . . . . -40 to 150° Fahrenheit (-40 to 65° Celsius)
Transmission frequency:
North America: . . . . . . . . . . . . . . . . . . . 902 - 928 MHz FHSS, power output less than 8 mW
EU, UK and OV Models: . . . . . . . . . . . . 868.0 -868.6 MHz FHSS, power output less than 10
Transmitter ID codes: . . . . . . . . . . . . . . . . 8 user-selectable
License: . . . . . . . . . . . . . . . . . . . . . . . . . . . Low power, no license required
Primary power: . . . . . . . . . . . . . . . . . . . . . Solar power – Davis solar charger
Backup power: . . . . . . . . . . . . . . . . . . . . . . CR-123A 3-volt lithium battery (8 months without
ISS Weather Variable Update Intervals
(With console receiver, transmitter ID dependent)
Wind speed: . . . . . . . . . . . . . . . . . . . . . . . . 2.5 to 3 seconds
Wind direction: . . . . . . . . . . . . . . . . . . . . . . 2.5 to 3 seconds
Accumulated rainfall: . . . . . . . . . . . . . . . . . 20 to 24 seconds
Rain rate: . . . . . . . . . . . . . . . . . . . . . . . . . . 20 to 24 seconds
Outside temperature: . . . . . . . . . . . . . . . . . 10 to 12 seconds
Outside humidity: . . . . . . . . . . . . . . . . . . . . 50 seconds to 1 minute
Solar radiation: . . . . . . . . . . . . . . . . . . . . . 50 seconds to 1 minute
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)
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 . . . . . . . . . . . . . . . . 1 or 2 1.2 Volt NiMH C-cells
40
Optional Vantage Pro2 AC power adapter
mW
sunlight- greater than 2 years depending on solar
charging)
Radiation Induced Temperature Error0.5°F (0.3°C)
[At solar noon, insolation = 1040 W/m2]
(Reference: RM Young model 43408)
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