DAVIS Wireless Temp/Hum Station Fan Asp., 2003 & newer - Manual (Page 19)

Page 19
Specifications
Temperature and Humidity Station
Temperature range: . . . . . . . . . . . . . . . . . –40 to 140° Fahrenheit (–40 to 60°
Celsius)
Wireless transmission frequency: . . . . . . . 916.5 MHz, (868.35 MHz for overseas
version – Product # includes “XA”)
Transmitter ID codes: . . . . . . . . . . . . . . . 8 user-selectable
License: . . . . . . . . . . . . . . . . . . . . . . . . . . low power (less than 1 mW), no license
required
Primary power input: . . . . . . . . . . . . . . . . CR-123A 3-volt lithium battery
Secondary (backup) power: . . . . . . . . . . . Optional Vantage Pro AC power adapter
Fan-Aspirated Radiation Shield
Aspiration Rate, Full Sun . . . . . . . . . . . . . 190 feet/min (.96 m/s)
Aspiration Rate, Batteries Only . . . . . . . . 80 feet/min (9.4 m/s)
Radiation-Induced Temperature Error . . . . 0.5°F (0.3°C)
[At solar noon, insolation = 1040 W/m2]
(Reference: RM Young model 43408)
Operating Temperature . . . . . . . . . . . . . . –40° to +140° F (–40° to +60° C)
Non-operating Temperature . . . . . . . . . . . –50° to +158° F (–45° to +70° C)
Station Primary Power Input . . . . . . . . . . . CR-123A 3-volt lithium battery
(approximately one year battery life)
Fan Primary Power Input . . . . . . . . . . . . . solar panel
Fan secondary power . . . . . . . . . . . . . . . . 1 or 2 - 1.2 Volt NiCad C-cells