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DAVIS Vantage Pro2 Console User Manual

Page 53

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Weather Data Specifications

50

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

Outside
Temperature

***

ISS, Temp
Station or Temp
Hum Station

0.1

F; 0.1C

-40

 to +150F;

-40

 to +65C

1

F; 0.5C

Extra Temperature

ISS, Temp
Station, Temp
Hum Station,
Leaf Soil Station
or Soil Station

1

F; 1C

-40

 to +150F

-40

 to +65C

1

F; 0.5C

Heat Index

ISS or Temp/
Hum Station

1

F; 1C

-40

to +165F;

-40

 to +74 C

3

F (1.5C)

Temp-Hum-Sun-
Wind index
(THSW)

ISS & Solar
Radiation

1

F; 1C

-90

 to +165F;

-68

 to +74 C

4

F (2C)

Time

Included in
Console

1 min

24 hours

8 sec./mon.

Date

1 day

month/day

8 sec./mon.

UV Index

UV Radiation

0.1 Index

0 to 16

5% of full scale

UV Dose

0.1 MED < 20,

1 MED > 20

0 to 199 MEDs

5%

Wind Direction

Anemometer

1

0 to 360

3

Compass Rose

22.5

16 compass pts

0.3 compass pt

Wind Speed (large
cups)

1 mph; 1 kt; 0.4 m/

s; 1 km/h

2 to 180 mph;

2 to 156 kts

3 to 290 km/h,

1 to 80 m/s

greater of

2 mph/kts;

1 m/s; 3 km/h

or 5%

Wind Chill

ISS

1

F; 1C

-110

 to +135F

-79

 to +57C

2

F;1C

***

Outside temperature accuracy is based on the temperature sensor itself and not on the sensor and

the passive shielding together. The solar radiation induced error for standard ration shield: +4

F (2C)

at solar noon; for fan aspirated radiation shield: +0.6

F (0.3C) at solar noon (insolation = 1040 W/m

2

,

avg. wind speed

 2 mph (1 m/s), reference: RM Young Model 43408 Fan-Aspirated Radiation

Shield).

Weather Data Specifications

Variable

Required

Sensors

Resolution

Range

Nominal

Accuracy (+/-)