DAVIS Vantage Pro2 User Manual

Local Computer Installation
8
Vantage Pro and Vantage Pro2 consoles. See the WeatherLink Getting Started
Guide for complete instructions on connecting the data logger to your com-
puter. Also, see WeatherLink Online Help for additional setup instructions.
USB Connection
Complete the local USB connection by using the instructions below:
1. Locate the Envoy receiving the WeatherLink USB connection.
2. Locate a free USB port on your computer and connect the USB connector
to the port.
3. Insert the USB - Mini B connector on the USB connector of the USB data
logger. The connection between the Envoy and the computer can be
extended up to 16' (5 m) using a USB-to-USB connector cable.
Note: Do not attempt to use more than a 16' extension cable, or the data logger may have
difficulty communicating with the computer.
Serial Port Connection
These instructions explain how to make a typical local connection between
your Envoy and your computer via a serial port. Note that if you extend the
cable run beyond 48' (14.4 m), the software may have difficulty communicat-
ing with the station
Installing with a Local Computer
1. Locate a free serial port on the back of your computer and connect the DB9
adapter to the port.
2. Insert the cable plug at the end of the short cable coming from the data log-
ger into the receptacle on the end of the 8' cable. Then insert the cable plug
on the end of the 8' cable into the DB9 adapter.
The cable connecting the data logger to the computer is 8' (2.4 m) long. If
you need to place the station Envoy more than 8' from the computer, use a
40' (12 m) standard 4-conductor extension cable (#7876-040). Do not

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