Davis Instruments Vantage Pro2 manual Weather Data Specifications, Variable Required Sensors

Weather Data Specifications

Weather Data Specifications

Note:		These specifications include optional sensors that may not be installed in your Vantage Pro2
		Station.
			Weather Data Specifications
	Variable		Required Sensors	Resolution	Range	Nominal Accuracy
						(+/-)
	Barometric				26” to 32” Hg; 660 to
				0.01” Hg; 0.1 mm;	810 mm; 880 to	0.03” Hg; 0.8 mm
	Pressure*			0.1 hPa; 0.1 mb	1080 hPa; 880 to	Hg; 1.0 hPa; 1.0 mb
					1080 mb**
			Included in Console	Change Rates	5 Arrow Positions:
				Rapidly: ≥.06” H;
					Rising Rapidly
	Barometric Trend			1.5 mm Hg; 2 hPa;
					Rising Slowly
				2 mb
	(3 hour)				Steady
				Slowly: ≥.02” H;
					Falling Slowly
				0.5 mm Hg;
					Falling Rapidly
				0.7 hPa; 0.7 mb
	Evapotranspiration		ISS or Temp/Hum		Daily to 99.99”;
					999.9 mm	greater of 5% or
			Station & Solar	0.01”; 0.25 mm
	(ET)				Monthly & Yearly to	0.01”; 0.25 mm
			Radiation sensor
					199.99”; 1999.9mm
	Inside Humidity		Included in Console	1%	10 to 90%	5% RH
	Outside Humidity		ISS or Temp/Hum	1%	0 to 100%	3% RH; 4% above
			Station			90%
	Extra Humidity		ISS or Temp/Hum	1%	0 to 100%	3% RH; 4% above
			Station			90%
	Dew Point (overall)		ISS or Temp/Hum	1°F; 1°C	-105°to +130°F;	3°F; 1.5°C
			Station		-76°to +54°C
	Leaf Wetness		Leaf & Soil Station	1	0 to 15	0.5
			Leaf & Soil Station
	Soil Moisture		or Soil Moisture	1 cb	0 to 200 cb
			Station
	Daily & Storm			0.01”; 0.25mm	to 99.99”; 999.9 mm	greater of 4% or 1
	Rainfall					tip,
	Monthly & Yearly		Rain Collector	0.01”; 0.25mm	to 199.99”; 19,999
				(1mm at totals over		greater of 4% or 1 tip
	Rainfall				mm
				2000 mm)
	Rain Rate			0.01”; 0.25 mm	to 100”/hr; 1999.9	greater of 5% or
					mm/hr	0.04”/hr; 1 mm/hr

*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.

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