DAVIS Vantage Pro2 Quick Reference Guide

ET FORECAST
If you have a solar radiation sensor, press 2
ND
& ET to
toggle between:
• ET Day (0.00 in, 0.0 mm)
• ET Month (0.00 in, 0.0 mm)
• ET Year (0.00 in, 0.0 mm)
Press 2
ND
& UNITS to change unit of measure.
All rain and ET readings will read in the same unit of measure. Changing
one from 0.00 inches to 0.0 mm (or vice versa) changes all others.
Update interval:
ET is updated once an hour, on the hour.
Update Interval:
The forecast is updated once an hour, on the hour.
Forecast Icons:
The forecast icons predict the weather within the next twelve hours.
Mostly Partly Mostly Rain Snow
Clear Cloudy Cloudy
If rain or snow is possible (but less certain than "likely"), you will see the
partly cloudy icon along with the rain or snow icon.
Ticker Tape:
Press FORECAST to view a detailed forecast in ticker tape. The ticker
tape messages predict the weather up to 48 hours ahead.
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DAVIS Vantage Pro2 Specifications

General

Update Interval	2.5 seconds
Temperature Accuracy	±1°F (±0.5°C)
Barometric Pressure Range	16.00 to 32.50 inHg (540 to 1100 hPa)
Rain Collector Type	Tipping bucket
Wind Speed Range	0 to 200 mph (0 to 322 km/h)
Wind Speed Accuracy	±2 mph (±3 km/h) or ±5%, whichever is greater
Wind Direction Resolution	1°
Wind Direction Accuracy	±3°
Solar Radiation Range	0 to 1800 W/m²
Solar Radiation Sensor Accuracy	±5%
UV Index Range	0 to 16
UV Index Accuracy	±5%
Wireless Transmission Range	Up to 1000 ft (300 m)
Temperature Range	-40°F to +150°F (-40°C to +65°C)
Humidity Range	0 to 100%
Humidity Accuracy	±3%
Rain Collector Resolution	0.01 in (0.2 mm)
Rain Measurement Accuracy	±4%
Wind Direction Range	0 to 360°
Power Supply	Solar powered with battery backup