DAVIS Vantage Pro2 manual General, Leaf Wetness, Soil Moisture, Time

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General

returned through evaporation (from wet vegetation surfaces and the stoma of leaves) with the amount of water vapor returned through transpiration (exhal- ing of moisture through plant skin) to arrive at a total. Effectively, ET is the opposite of rainfall, and it is expressed in the same units of measure (Inches, millimeters).

The Weather Envoy uses air temperature, relative humidity, average wind speed, and solar radiation data to estimate ET. (ET is calculated once an hour on the hour.)

Please note that calculating ET requires the optional solar radiation sensor.

Leaf Wetness

Note:

Leaf Wetness is only available with the wireless Weather Envoy using the optional

 

Leaf and Soil Moisture/Temperature station (#6345) with a Leaf Wetness sensor

 

(#6420).

 

 

Leaf wetness provides an indication of whether the surface of foliage in the area of the sensor is wet or dry by indicating how wet the surface of the sensor is. The leaf wetness reading ranges from 0 (dry) to 15.

Soil Moisture

Note:

Soil Moisture is only available with the wireless Weather Envoy using the optional

 

Leaf and Soil Moisture/Temperature station (#6345) with a Soil Moisture sensor

 

(#6440).

 

 

Soil Moisture, as the name suggests, is a measure of the moisture content of the soil. Soil moisture is measured on a scale of 0 to 200 centibars, and can help choose times to water crops. The soil moisture sensor measures the vac- uum created in the soil by the lack of moisture. A high soil moisture reading indicates dryer soil; a lower soil moisture reading means wetter soil.

Time

The Weather Envoy has a clock and a calendar for tracking time and date. The calendar automatically adjusts during leap years and daylight savings, provid- ing you have entered the correct year, latitude and longitude, and daylight sav- ings settings in the Setup Mode.

Specifications

General

Operating Temperature. . . . . . . . . . . .+14° to +140°F (-10° to +60°C) Non-operating Temperature . . . . . . . .-13° to +158°F (-25° to +70°C)

Current Draw, Wireless . . . . . . . . . . .0.90 mA average, 20 mA peak, (plus 0.125 mA for each optional wireless transmitter in use) at 4 to 6 VDC

Current Draw, Cabled . . . . . . . . . . . .10 mA average, 15 mA peak at 4 to 6 VDC AC Power Adapter . . . . . . . . . . . . . . .5 VDC, 200 mA, regulated

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Contents Vantage Pro2 Weather Envoy Manual Weather Envoy for Vantage Pro2 Manual Contents Required for OperationPreparing the Envoy Hardware InstallationInstall the Data Logger Local Connection Windows Computer RequirementsInstall the Data Logger Install the Batteries Optional Connecting AC Power Mount Your Weather EnvoyEnvoy Location Wall Mounting the EnvoyLocal Computer Installation Serial Port Connection Installing with a Local ComputerUSB Connection Remote Computer Installation Tional installation instructionsRemote Modem Connection Hardware Requirements Installing with a Remote ComputerRemote Modem Connection Notes Windows Computer Using a Serial Port Connection Installing the SoftwareWindows Computer Using USB Connection Adding a Station Running the SoftwareMacintosh Computer About the WalkthroughCommunication Port Settings Set AlarmsAlarms Three special alarms Auto DownloadRunning the Software Weather Data Measured & Calculated Wind TemperatureApparent Temperatures Rain HumidityDew-Point Barometric Pressure Solar RadiationUV Ultra Violet Radiation Skin Phototype Skin color Tanning & Sunburn historySkin Skin Color History of Tanning & Sunburning Type EvapoTranspiration ET IIISoil Moisture GeneralLeaf Wetness TimeCommunications Wireless Models Only Sensor InputsTroubleshooting Guide Communications Problems Restoring power with the data logger still attachedFinding the Correct Serial Port Click LoopbackProgram Problems Modem Initialization StringContacting Davis Technical Support

Vantage Pro2 specifications

The DAVIS Vantage Pro2 is an advanced weather station designed for both amateur enthusiasts and professional meteorologists. This comprehensive weather monitoring solution offers a plethora of features that provide real-time data for a variety of atmospheric conditions. The Vantage Pro2 is equipped with a suite of sensors that measure temperature, humidity, barometric pressure, rainfall, wind speed, and wind direction.

One of the standout characteristics of the Vantage Pro2 is its ability to offer accurate readings over a wide range of environmental conditions. The integrated radiometer ensures precise solar radiation and UV readings, making it an excellent tool for agricultural professionals and outdoor event planners. The station’s robust design includes an outdoor sensor suite that is both waterproof and built to withstand harsh weather, making it suitable for use in diverse climates.

Key technologies incorporated into the Vantage Pro2 include wireless transmission capabilities, allowing data to be sent to a console or computer without the need for cumbersome cables. The transmission distance can extend up to 1,000 feet (300 meters) under optimal conditions, ensuring flexibility in sensor placement. The console features user-friendly software that enables real-time graphing as well as historical data tracking, making it easy for users to analyze trends over time.

The Vantage Pro2 also supports optional features like the WeatherLink data logger, which provides additional storage and the ability to share data online or directly to mobile devices. This connectivity allows users to monitor weather patterns from anywhere, making it an invaluable tool for those who rely on up-to-date weather information for decision-making.

Ease of installation is another advantage of the Vantage Pro2. The setup process is straightforward, enabling users to begin monitoring their weather conditions quickly. The sensors are designed to be low maintenance, with battery-powered options lasting up to two years, reducing the hassle of frequent replacements.

In summary, the DAVIS Vantage Pro2 is a comprehensive weather station that leverages advanced technology to provide accurate, real-time data. Its robust features, wireless capabilities, and user-friendly interface make it an indispensable tool for anyone who needs reliable weather monitoring, from hobbyists to professionals in various fields. With its durability and versatility, the Vantage Pro2 stands out as a leader in personal weather stations.
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