DAVIS Vantage Pro2 Specifications

8
Wireless Vantage Pro2
™
Current Graph Data . . . . . . . . . . . . . . . . . . . . . . . . . Instant Calculation; Hourly, Daily and Monthly Low
Historical Graph Data . . . . . . . . . . . . . . . . . . . . . . . . Hourly, Daily and Monthly Lows
Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Low Threshold from Instant Calculation
Wind Direction
Range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 - 360°
Display Resolution . . . . . . . . . . . . . . . . . . . . . . . . . . 16 points (22.5°) on compass rose, 1° in numeric display
Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±3°
Update Interval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5 to 3 seconds
Current Display Data . . . . . . . . . . . . . . . . . . . . . . . . Instant (user-adjustable offset available)
Current Graph Data . . . . . . . . . . . . . . . . . . . . . . . . . Instant; 10-min. Dominant; Hourly, Daily, Monthly Dominant
Historical Graph Data . . . . . . . . . . . . . . . . . . . . . . . . Past 6 10-min. Dominants on compass rose only; Hourly, Daily, Monthly Dominants
Wind Speed
Resolution and Units. . . . . . . . . . . . . . . . . . . . . . . . . 1 mph, 1 km/h, 0.4 m/s, or 1 knot (user-selectable). Measured in mph, other units
are converted from mph and rounded to nearest 1 km/hr, 0.1 m/s, or 1 knot.
Range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 to 200 mph, 1 to 173 knots, 0.5 to 89 m/s, 1 to 322 km/h
Update Interval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Instant Reading: 2.5 to 3 seconds, 10-minute Average: 1 minute
Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±2 mph (2 kts, 3 km/h, 1 m/s) or ±5%, whichever is greater
Maximum Cable Length . . . . . . . . . . . . . . . . . . . . . . 240’ (73 m) (See note on page 1)
Current Display Data . . . . . . . . . . . . . . . . . . . . . . . . Instant
Current Graph Data . . . . . . . . . . . . . . . . . . . . . . . . . Instant; 10-minute and Hourly Average; Hourly High; Daily, Monthly and Yearly
High with Direction of High
Historical Graph Data . . . . . . . . . . . . . . . . . . . . . . . . 10-min. and Hourly Averages; Hourly Highs; Daily, Monthly and Yearly Highs with
Direction of Highs
Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . High Thresholds from Instant Reading and 10-minute Average
Wireless Communications
Transmit/Receive Frequency
US Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 902-928 MHz FHSS,
EU Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 868.0 - 868.6 MHz FHSS
Japan Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 928.15 - 929.65 MHz FHSS
ID Codes Available. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Output Power
US Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 902-928 MHz FHSS: FCC-certified low power, less than 8 mW, no license required
EU Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 868.0 - 868.6 MHz FHSS. CE-certified, less than 8 mW, no license required.
Japan Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 928.15 - 929.65 MHz FHSS, less than 1 mW, no license required.
Range: US & EU models
Line of Sight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . up to 1000 feet (300 m)
Through Walls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 to 400 feet (60 to 120 m)
Range: Japan models
Line of Sight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . up to 300 feet (100 m)
Through Walls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 to 200 feet (15 to 60m)
Sensor Inputs
RF Filtering. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RC low-pass filter on each signal line

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