Weather data specifications – DAVIS Vantage Pro Console User Manual
Page 57
Weather Data Specifications
Weather Data Specifications
Note: These specifications include optional sensors that may not be
installed in your Vantage Pro Station.
T
ABLE
3-1: W
EATHER
D
ATA
S
PECIFICATIONS
Variable
Required Sensors
Resolution
Range
Nominal Accuracy
(+/-)
Barometric
Pressure
a
Included in Console
0.01” Hg; 0.1 mm;
0.1 hPa; 0.1 mb
26” to 32” Hg; 660 to
810 mm; 880 to
1080 hPa; 880 to
1080 mb
0.03” Hg; 0.8 mm
Hg; 1.0 hPa; 1.0 mb
Barometric Trend
(3 hour)
Change Rates
Rapidly:
≥.06” Hg;
1.5 mm Hg; 2 hPa;
2 mb
Slowly:
≥.02” Hg;
0.5 mm Hg; 0.7 hPa;
0.7 mb
5 Arrow Positions:
Rising Rapidly
Rising Slowly
Steady
Falling Slowly
Falling Rapidly
Evapotranspiration
(ET)
ISS or Temp/Hum
Station & Solar
0.01”; 0.25 mm
Daily to 99.99”;
999.9mm
Monthly & Yearly to
199.99”; 1999.9mm
greater of 5% or
0.01”; 0.25 mm
Inside Humidity
Included in Console
1%
10 to 90%
5% RH
Outside Humidity
ISS or Temp/Hum
Station
1%
0 to 100%
3% RH; 4% above
90%
Extra Humidity
ISS or Temp/Hum
Station
1%
0 to 100%
3% RH; 4% above
90%
Dew Point (overall)
ISS or Temp/Hum
Station
1
°F; 1°C
-105
° to +130°F; -
76
° to +54°C
3
°F; 1.5°C
Frost/Dew Point at
High Humidity
ISS or Temp/Hum
Station
1
°F; 1°C
-105
° to +130°F; -
76
° to +54°C
2
°F; 1°C
Leaf Wetness
Leaf & Soil Station
1
0 to 15
0.5
Soil Moisture
Leaf & Soil Station or
Soil Moisture Station
1 cb
0 to 200 cb
Daily & Storm
Rainfall
Rain Collector
0.01”; 0.25 mm
to 99.99”; 999.9 mm
greater of 4% or
1 tip,
Monthly & Yearly
Rainfall
0.01”; 0.25 mm
(1 mm at totals over
2000 mm)
to 199.99”;
19,999 mm
greater of 4% or 1 tip
Rain Rate
0.01”; 0.25 mm (
to 100”/hr;
1999.9 mm/hr
greater of 5% or
0.04”/hr; 1 mm/hr
Solar Radiation
Solar sensor
1 W/m
2
0 to 1800 W/m
2
5% of full scale
Inside
Temperature
Included in Console
0.1
°F; 0.1°C
+32
° to +140°F; 0 to
+60
°C
1
°F; 0.5°C