Weather Data Specifications - DAVIS Vantage Pro2 Plus User Manual

Weather Data Specifications

Note: These specifications include optional sensors that may not be installed in your Vantage Pro2
station.
Variable
Barometric
*
Pressure
(Sensor in console)
Barometric Trend
(3 hour)
Evapotranspiration
(ET)
(requires Solar
Radiation Sensor
Inside Humidity
(sensor in console)
Outside Humidity
Extra Humidity
Dew Point (overall)
Leaf Wetness
(on Leaf & Soil Stn)
Soil Moisture
(on Leaf & Soil Stn)
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.
Weather Data Specifications
Update
Resolution
Interval
0.01'' Hg; 0.1 mm;
0.1 hPa; 0.1 mb
1 minute or
when BAR
Change Rates
button is
Rapidly: .06'' Hg
1.5 mm Hg
pushed twice
2 hPa, 2 mb;
Slowly: .02'' Hg
0.5 mm Hg
0.7 hPa, 0.7 mb
1 hour 0.01''; 0.1 mm
1 minute
1 minute
1 minute
10 seconds
50 seconds
90 seconds
0.01''; 0.2 mm
0.01''; 0.2 mm
(1mm at totals
20 seconds
over 2000 mm)
0.01"; 0.1 mm
16'' to 32.5'' Hg
410 to 820 mm
540 to 1100 hPa
540 to 1100 mb
5 Arrow Positions:
Rising Rapidly
Rising Slowly
Falling Slowly
Falling Rapidly
Daily to 32.67";
832.1 mm
Monthly & Yearly
to 199.99";
1999.9 mm
1% 1 to 100%
1% 1 to 100%
1% 1 to 100%
-105 to +130F;
1F; 1C
-76 to +54C
1
1 cb 0 to 200 cb
to 99.99'';
999.8 mm
to 199.99'';
to 96''/hr.;
2438 mm/hr.
Weather Data Specifications
Nominal
Range
Accuracy (+/-)
0.03'' Hg
0.8 mm Hg
**
Steady
greater of 5% or
0.01''; 0.25 mm
2F; 1C
0 to 15
greater of 4% or
greater of 4% or
6553 mm
greater of 5% or
0.04"/hr.;
1 mm/hr.
1.0 hPa
1.0 mb
2% RH
2% RH
2% RH
0.5
1 tip,
1 tip
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