Davis Instruments DWW765Y User Manual
28
Appendix A
Specifications
Complete specifications for all of the Vantage Pro2 weather products as well as the wire-
less repeater are available in the Weather Support section of our website:
less repeater are available in the Weather Support section of our website:
http://www.davisnet.com/support/weather/
General
Operating Temperature . . . . . . . . . . . . . . . . . . -40 to 150° Fahrenheit (-40 to 65° Celsius)
Non-operating Temperature . . . . . . . . . . . . . . -40 to 150° Fahrenheit (-40 to 65° Celsius)
Current Draw . . . . . . . . . . . . . . . . . . . . . . . . . 1.5 mA at 4-6 VDC
Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CR 123A 3-volt lithium battery
Battery Life Estimates (with no solar or AC power input):
Non-operating Temperature . . . . . . . . . . . . . . -40 to 150° Fahrenheit (-40 to 65° Celsius)
Current Draw . . . . . . . . . . . . . . . . . . . . . . . . . 1.5 mA at 4-6 VDC
Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CR 123A 3-volt lithium battery
Battery Life Estimates (with no solar or AC power input):
Solar Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 Watts
Alternate power. . . . . . . . . . . . . . . . . . . . . . . . AC power adapter
Housing Material . . . . . . . . . . . . . . . . . . . . . . . UV-resistant PVC plastic
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.25'' x 2.25” x 7.88'' (158.75 mm x
Alternate power. . . . . . . . . . . . . . . . . . . . . . . . AC power adapter
Housing Material . . . . . . . . . . . . . . . . . . . . . . . UV-resistant PVC plastic
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.25'' x 2.25” x 7.88'' (158.75 mm x
57.15 mm x 200.03 mm)
Weight. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.188 (.539 kg)
Wireless Communication (US models)
Transmit/Receive Frequency
. . . . . . . . . . . . 902-928 MHz FHSS.
ID Codes Available
. . . . . . . . . . . . . . . . . . . . 8
Output Power
. . . . . . . . . . . . . . . . . . . . . . . . 902-928 MHz FHSS: FCC-certified low
power, less than 8 mW, no license required
Range
Line of Sight . . . . . . . . . . . . . . . . . . . . . . . . . . up to 1000 feet (300 m)
Through Walls. . . . . . . . . . . . . . . . . . . . . . . . . 200 to 400 feet (75 to 150 m)
Line of Sight . . . . . . . . . . . . . . . . . . . . . . . . . . up to 1000 feet (300 m)
Through Walls. . . . . . . . . . . . . . . . . . . . . . . . . 200 to 400 feet (75 to 150 m)
Wireless Communication (OV, EU, UK models)
Transmit/Receive Frequency
. . . . . . . . . . . . 868.0 - 868.6 MHz FHSS.
ID Codes Available
. . . . . . . . . . . . . . . . . . . . 8
Output Power
. . . . . . . . . . . . . . . . . . . . . . . . 868.0 - 868.6 MHz FHSS. CE-certified, less
than 8 mW, no license required.
No more than 2 dBi antenna gain, no more
than four transmitter IDs to comply with the
EN 300 220 regulation.
No more than 2 dBi antenna gain, no more
than four transmitter IDs to comply with the
EN 300 220 regulation.
Range
Line of Sight . . . . . . . . . . . . . . . . . . . . . . . . . . up to 1000 feet (300 m)
Through Walls. . . . . . . . . . . . . . . . . . . . . . . . . 200 to 400 feet (75 to 150 m)
Line of Sight . . . . . . . . . . . . . . . . . . . . . . . . . . up to 1000 feet (300 m)
Through Walls. . . . . . . . . . . . . . . . . . . . . . . . . 200 to 400 feet (75 to 150 m)
Transmit Interval
Repeater Transmit Interval . . . . . . . . . . . . . . . 2.5625 - 3.0000 seconds depending on ID.
# of IDs
Estimated Life Expectancy (Months)
1
4
4
1.5
8
<1