Hygrometer part
Temperature Response
use Precision Resolution Minimum Maximum Sampling time
-10°C...50°C ±3 %rH 1 %rH 0 %rH 99 %rH 1,5 sec 5 min
Technical Specifications
Response
Accuracy Resolution Minimum Maximum Sampling time
Current 0.1 knots 108 knots
wind ±4% 0.1 mph 0 125 mph 1 sec 3 sec
speed 0.1 km/h 202 km/h
0.1 m/s 56 m/s
Average 0.1 knots 108 knots
wind ±4% 0.1 mph 0 125 mph — —
speed 0.1 km/h 202 km/h
0.1 m/s 56 m/s
Current ±0.5 °C 1 °C -30 °C 50 °C 1 sec 5 min
1)
temperature ±(0.9 °F) 1 °F -22 °F 122 °F
Wind-chill -
2)
1 °C — — 1 sec —
factor 1 °F
Pressure
3)
±2 mbar 1 mbar 300 mbar 1100 mbar 1 hour —
Altitude ±2 m
4)
1 m -500m 8000m — —
1)
measured in still air
2)
based on a formula provided by the Midwestern Climate Center, USA:
wc = 91.4 - (0.474677 - 0.020425 v + 0.303107 sqrt(v)) (91.4-T)
where wc = wind-chill factor (°F), v = wind speed (mph) and T = temperature (°F)
3)
absolute pressure. (Pressures 3, 6, 9, 12 hours ago are displayed.)
Beaufort knots km/h mph m/s fps
1 1-3 1- 5 1-3 1-2 1- 4
2 4-6 6-11 4-7 2-3 5-10
3 7 - 10 12 - 19 8 - 12 4 - 5 11 - 17
4 11 - 16 20 - 28 13 - 18 6 - 7 18 - 25
5 17 - 21 29 - 38 19 - 24 8 - 10 26 - 34
6 22 - 27 39 - 49 28 - 31 11 - 13 35 - 44
7 28 - 33 50 - 61 32 - 38 14 - 16 45 - 55
8 34 - 40 62 - 74 39 - 46 17 - 20 56 - 67
9 41 - 47 75 - 88 47 - 55 21 - 24 68 - 80
10 48 - 55 89 - 102 56 - 64 25 - 28 81 - 92
11 56 - 63 103 - 117 65 - 73 29 - 32 93 - 106
12 >64 >118 >74 >33 >107
Conversion table of several Measurement Units