14 Technical Data
Characteristic
Description
Measuring range
0 ... 360 °
Measuring Accuracy
1°
Resolution of measuring value
0.1°
Output telegram
<STX>xx.x xxx.x*
HL
<CR><ETX> z.B. 15.3(m/s) 347.1(°)
Measuring time
approx. 10ms / WD-measurement
Survival speed
85 m/s up to 0.5 h
Electric input of wind velocity
0....1082Hz @ 0...50m/s
U
PP
max
= 0...15V, U
PP
min
= 0...3V
Permissible ambient conditions
for operation
-50 ... +80°C
all occurring situations of rel. humidity incl. dew moistening
Electrical output
RS 485:
1200; 2400; 4800; 9600; 19200; 38400; 57600 Baud
8 Bit no parity 1Stopbit
Starting threshold
< 0.5 m/s at 10° amplitude (acc. to ASTM D 5366-96)
< 0.2 m/s at 90° amplitude (acc. to VDI 3786 Part 2)
Delay distance
< 1.8 m (acc. to ASTM D 5366-6)
Damping ratio
D > 0.3 (acc. to ASTM D 5366-96)
Quality factor
K > 1
D
damping ratio,
0
ω
angular frequency of undamped oscillation,
ρ
air density
u
wind speed.
Heating
Surface temperature of housing neck > 0 °C
at 20 m/s up to –10 °C air temperature, at 10 m/s up to –20 °C
using the Thies icing standard 012002 on the housing neck
heating regulated with temperature sensor
Power supply
Vcc:
3,3 V DC
42 V DC
Icc:
1 mA @ 3,3 V
ca. 1,5 mA @ 5 V
0
4 D
K
u
⋅ ⋅ω
=
ρ⋅
18 - 22
021754/05/14
