Primary
Measurement
|
Unit
|
Resolution
|
Accuracy
(+/-)
|
Range:
Max operational
Specigication (if less)
|
Wind speed
Or Air Velocitu
|
m/s
|
0.1
|
Larger of 3%
Of reading,
Least significant
Digit or 20
Ft/min
|
0.6 to 60.0 m/s
0.6 to 40.0m/s
|
ft/min
|
1
|
118 to 11,811 ft/min
118 to 7,874 ft/min
|
km/h
|
0.1
|
2.2 to 216.0 km/h
2.2 to 144.0 km/h
|
mph
|
0.1
|
1.3 to 134.2 mph
1.3 to 89.5 mph
|
knots
|
0.1
|
1.2 to 116.6 knots
1.2 to 77.8 knots
|
beaufort
|
1
|
0 to 12 B
|
Temperature
|
oF
|
0.1
|
1.8 oF
|
-49.0 to 257.0
-20.0 to 158.0
|
oC
|
0.1
|
1.0 oC
|
-45.0 to 125.0
-29.0 to 70.0
|
Relative Humidity
|
%RH
|
0.1
|
3.0%RH
|
0.0 to 100.0%
5.0 to 95.0% non
Condensing
|
Pressure
|
InHg
|
0.01
|
Typical 0.04
InHg
Max 0.07
inHg
|
0.30 to 32.48 inHg
|
Hpa(mb)
|
0.1
|
Typical 1.5
hpa
Max 2.5 hPa
|
300.0 to 1100.0 hPa 10.0
To 1100.0 hPa
|
PSI
|
0.01
|
Typical 0.002
PSI
Max 0.04 PSI
|
0.14 to 15.95 PSI
|
Wind chill
|
oF
|
0.1
|
1.8 oF
|
Refer to stated ranges for
Wind speed
|
oC
|
0.1
|
1.0 oC
|
Heat Index
|
oF
|
0.1
|
3.6 oF
|
Refer to stated ranges for temp.and relative humidity
|
oC
|
0.1
|
2.0 oC
|
Wet Bulb
Temperature
(psychorometric)
|
oF
|
0.1
|
3.6 oF
|
Refer to stated ranges for temp.,and relative humidity and pressure
|
oC
|
0.1
|
2.0 oC
|
Dewpoint
|
oF
|
0.1
|
3.6 oF
|
Refer to stated ranges for temp.and relative humidity
|
oC
|
0.1
|
2.0 oC
|
Evaporation
|
Lb/ft2/hr
|
0.01
|
Typical 0.02
Lb/ft2/hr
Typical 0.06
Lb/ft2/hr
|
0.00 to 1.00 lb/ft2/hr
|
Kg/m2/hr
|
0.01
|
Typical 0.1
Kg/m2/hr
Max 0.1
Kg/m2/hr
|
0.00 to 5.00 kg/m2/hr
|
Altitude
|
ft
|
1
|
Typical 0.02
Max 98ft
|
-2,300 to 85,000 ft
|
m
|
1
|
Typical 15m
Max 30 m
|
-700 to 25,900 m
|
Density Altitude
|
ft
|
1
|
246
|
Refer to stated ranges for temp.,and relative humidity and pressure
|
m
|
1
|
75
|
Battery
|
AAA Alkaline, two, included. Average life, 400 hours of use, reduced by backlight or Bluetooth radio transmission use.
|
Size & weight
|
12.7 x 4.5 x 2.8 cm, 102 g.
|