Davis Instruments DWW6312 Manuale Utente

Weather Data Specifications

52

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 +135°F; 

-40

° to +57° C

3

°F (1.5°C)

Temp-Hum-Sun-
Wind index 
(THSW)

ISS & Solar 
Radiation 

1

°F; 1°C

-90

° to +135°F; 

-68

° to +64° 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

°

7

°

Compass Rose

22.5

°

16 compass pts

0.3 compass pt

Wind Speed (large 
cups)

1 mph; 1 kt; 0.5 m/s; 

1 km/h

2 to 150 mph;

2 to 130 kts

3 to 241 km/h,

 1 to 68 m/s

greater of

2 mph/kts; 

1 m/s; 3 km/h 

or 5%

Wind Speed (small 
cups)

1 mph; 1 kt; 0.5 m/s; 

1 km/h

3 to 175 mph;

3 to 150 kts

1.5 to 79 m/s

5 to 282 km/h

greater of

3mph; 3 kts; 

1 m/s; 5km/h 

or 5%

Wind Chill

ISS

1

°F; 1°C

-120

° to +130°F

-84

° to +54°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).