Weather Data Specifications - Davis Instruments Vantage Pro2 Plus Manual

Weather Data Specifications

Weather Data Specifications
Note: These specifications include optional sensors that may not be installed in your Vantage Pro2
Station.
Variable Required Sensors
Barometric
*
Pressure
Included in Console
Barometric Trend
(3 hour)
ISS or Temp/Hum
Evapotranspiration
Station & Solar
(ET)
Radiation sensor
Inside Humidity Included in Console
ISS or Temp/Hum
Outside Humidity
Station
ISS or Temp/Hum
Extra Humidity
Station
ISS or Temp/Hum
Dew Point (overall)
Station
Leaf Wetness Leaf & Soil Station
Leaf & Soil Station
Soil Moisture or Soil Moisture
Station
Daily & Storm
Rainfall
Monthly & Yearly
Rain Collector
Rainfall
Rain Rate
*
Barometric pressure readings are standardized to sea level. Elevation Range: -1500' to +12,500'; -460 to + 3810
m. Note: The console screen limits display of lower elevation to -999' when using feet as elevation unit.
**
This is the reduced value after standardizing to sea level.
51
Weather Data Specifications
Resolution Range
26" to 32" Hg; 660 to
810 mm; 880 to
0.01" Hg; 0.1 mm;
0.1 hPa; 0.1 mb 1080 hPa; 880 to
1080 mb
Change Rates
5 Arrow Positions:
Rapidly: ≥.06" H;
Rising Rapidly
1.5 mm Hg; 2 hPa;
Rising Slowly
2 mb
Steady
Slowly: ≥.02" H;
Falling Slowly
0.5 mm Hg;
Falling Rapidly
0.7 hPa; 0.7 mb
Daily to 99.99";
999.9 mm
0.01"; 0.25 mm
Monthly & Yearly to
199.99"; 1999.9mm
1% 10 to 90%
1% 0 to 100%
1% 0 to 100%
-105° to +130°F;
1°F; 1°C
-76° to +54°C
1 0 to 15
1 cb 0 to 200 cb
0.01"; 0.25mm to 99.99"; 999.9 mm
0.01"; 0.25mm
to 199.99"; 19,999
(1mm at totals over
2000 mm)
to 100"/hr; 1999.9
0.01"; 0.25 mm
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
5% RH
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
mm
greater of 5% or
0.04"/hr; 1 mm/hr