Appendix: Specifications - DAVIS vantage pro2 groweather User Manual

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:. . . . . . . . . . . . . . . 902 - 928 MHz FHSS for North America
Transmitter ID codes: . . . . . . . . . . . . . . . . 8 user-selectable
License: . . . . . . . . . . . . . . . . . . . . . . . . . . . Low power (less than 8 mW), 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
Fan-Aspirated Radiation Shield
24-Hour Fan
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)
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
. . . . . . . . . . . . . . . . . . . . 868.0 -868.6 MHz FHSS for overseas versions: EU,
Optional Vantage Pro2 AC power adapter
UK, and OV
sunlight- greater than 2 years depending on solar
charging)
[At solar noon, insolation = 1040 W/m
(Reference: RM Young model 43408)
2
]