DAVIS Vantage Pro2 User Manual

1
Welcome to the Weather Envoy!
Welcome to Davis Instruments’ Weather
Envoy
®
. The Weather Envoy provides a
new and exciting way of getting weather
data from your Vantage Pro2
™
weather sta-
tion and into your Windows (95 or later) or
Macintosh (OS X) computer.
The Weather Envoy
®
includes the data col-
lection and logging functions of the Van-
tage Pro2
™
console, but in a smaller
package that can be discreetly placed next to your computer. Both cabled and
wireless versions of the Weather Envoy are available. In combination with our
WeatherLink software and data logger, the Weather Envoy allows you to view,
store, plot, analyze, export, share, and print your weather data.
Contents
Before continuing, please be sure your Weather Envoy package includes the
following:
• Envoy
• Two #6 x 1” screws for wall mounting
• AC-power adapter
Required for Operation
You will also need the following Davis weather products to use your Envoy:
All Weather Envoys:
• Any version of WeatherLink for Vantage Pro and Vantage Pro2 (Windows
version 5.2 or later (6510USB, 6510SER, 6540, 6544, 6550, 6560,
6510C), Mac OS X version 5.01 or later (6520, 6520C))
Wireless Weather Envoy:
• Wireless ISS or ISS Plus (6320, 6322, 6325, 6328) or;
• Wireless Vantage Pro2 (Plus) Weather Station (6152, 6153, 6162, 6163)
Cabled Weather Envoy:
• Cabled ISS or Cabled ISS Plus (6322C and 6327C)
Optional Accessories
The following optional accessories are designed for use with your Envoy.
They are available from your dealer or may be ordered directly from Davis
Instruments.
• Telephone Modem Adapter (#6533) (For Serial Connections only) -
Allows transmission of data from the data logger using a modem.

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