Weather Data Specifications - Davis Instruments Vantage Pro2 Manual

Weather Data Specifications

Weather Data Specifications
Note: These specifications include optional sensors that may not be installed in your Vantage Pro2
Station.
Variable
Barometric
*
Pressure
Barometric Trend
(3 hour)
Evapotranspiration
(ET)
Inside Humidity
Outside Humidity
Extra Humidity
Dew Point (overall)
Leaf Wetness
Soil Moisture
Daily & Storm
Rainfall
Monthly & Yearly
Rainfall
Rain Rate
*
Barometric pressure readings are standardized to sea level. Elevation Range: -999' to +15,000';
-600 to + 4570 m. Note: The console screen limits display of lower elevation to -999' when using feet
as elevation unit. For elevations lower than -999', use meters.
**
This is the reduced value after standardizing to sea level.
49
Weather Data Specifications
Required
Sensors
0.01'' Hg; 0.1 mm;
Included in
Console
Rapidly: .06'' Hg
Slowly: .02'' Hg
ISS or Temp/
Hum Station &
Solar Radiation
sensor
Included in
Console
ISS or Temp/
Hum Station
ISS or Temp/
Hum Station
ISS or Temp/
Hum Station
Leaf & Soil
Station
Leaf & Soil
Station or Soil
Moisture Station
(1mm at totals over
Rain Collector
Resolution
16'' to 32.5'' Hg
410 to 820 mm
0.1 hPa; 0.1 mb
540 to 1100 hPa
540 to 1100 mb
Change Rates
5 Arrow Positions:
1.5 mm Hg
2 hPa, 2 mb;
0.5 mm Hg
0.7 hPa, 0.7 mb
0.01''; 0.1 mm
1%
1%
1%
1F; 1C
1
1 cb
0.01''; 0.2 mm
0.01''; 0.2 mm
2000 mm)
0.01"; 0.2 mm
Range
**
Rising Rapidly
Rising Slowly
Steady
Falling Slowly
Falling Rapidly
Daily to 32.67";
832.1 mm
Monthly & Yearly
to 199.99";
1999.9 mm
1 to 100%
1 to 100%
1 to 100%
-105 to +130F;
-76 to +54C
0 to 15
0 to 200 cb
to 99.99'';
999.8 mm
to 199.99'';
6553 mm
to 96''/hr.;
2438 mm/hr.
Nominal
Accuracy (+/-)
0.03'' Hg
0.8 mm Hg
1.0 hPa
1.0 mb
greater of 5% or
0.01''; 0.25 mm
3% RH;
4% above 90%
3% RH;
4% above 90%
3% RH;
4% above 90%
3F; 1.5C
0.5
greater of 4% or
1 tip,
greater of 4% or
1 tip
greater of 5% or
0.04"/hr.;
1 mm/hr.