DAVIS Vantage Pro2 User Manual

Install the Batteries
4
3. Carefully insert the data logger (Serial or USB) into the connector slot,
making sure to push data logger firmly in place.
4. Rejoin the case halves, making sure the data logger cable passes through the
cable channel.
5. Fasten using the three screws you previously removed.
Install the Batteries
1. Find the battery cover on the back side of the Envoy case.
2. Remove the battery cover by pressing on the arrow embossed on the cover
and sliding the cover away from the case.
3. Insert the three AA-cell batteries, negative terminal (flat side) first. The
Envoy emits two beeps if the start up test is successful.
4. Replace the battery cover on the case.
Data Logger Cable Channel
USB Data Logger
Data Logger Cable Channel
Serial Data Logger

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