Technical Data |
Meas range |
0,3...75 m/s |
Meas. instability (w/o calibration) |
0,3...50 m/s < 1% of meas. value or < 0,2 m/s |
Survival speed |
80 m/s (min. 30 minutes) |
Permissible Ambient condit. |
-50…+80 °C, all occurring situations of relative humidity (incl. dew moistening) |
Output signal |
Form |
rectangle |
Frequency |
1082 Hz @ 50 m/s |
Amplitude |
is supply voltage, max. 15 V |
Load |
R > 1 kΩ (Push-pull output with 220 Ω in series) C < 200 nF (corresp. to length typical cable < 1km) |
Linearity |
Correlation factor r between frequency and wind speed y= 0,0462*f+0,21 typical r > 0.999 99 (4…20 m/s) |
Starting velocity |
< 0,3 m/s |
Resolution |
0,05 m wind run |
Distance constant |
<3m (acc. To ASTM D 5096 – 96) |
Inclined flow |
Measuring value deviation Δv compared with stationary horizontal flow: Δv < 1 % |
Wind velocity |
v = 8 m/s |
Horizontal turbulence Intensity |
t <= 20% |
Turbulence structure (rough country) |
r <= 0,8d |
Average deviation from the horizontal flow |
ð <= 2° |
Turbulent flow |
Deviation Δv turbulent compared with stationary horizontal flow -0.5% < Δv < +2% Frequency < 2 Hz |
Classification |
According to IEC 61400-12-1 (2005-12) |
Class A classification index A 0,9 |
Class B classification index B 3,0 |
Class S classification index S 0,5 |
wind load at 75 m/s |
approx. 100 N |
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 by temperature sensor. |
Electrical supply for opto-electronic scanning |
Voltage |
3,3...42 V DC (galvanic isolation from housing) |
Current |
0,3 mA @ 3,3 V typical (w/o external load)< 0,5 mA @ 5 V (w/o external load) |
Electrical supply for heating |
Voltage |
24 V AC/DC (galvanic isolation from housing) |
Idling voltage |
max. 30 V AC, max. 42 V DC |
Capacity |
25 W |
Connection |
8-pole plug-connection for shielded cable in the shaft |
Mounting |
Mounting on mast R 1", for ex. DIN 2441 1½ " with separate adaptor (option) |
Weight |
approx. 0,5 kg |
Protection |
IP 55 (DIN 40050) |
EMC |
Reference number IEC 61000-6-2: 2005
IEC 61000-6-3: 2006
IEC 61010-1: 2001 |
Specification Electromagnetic compatibility Immunity for industrial environment Electromagnetic compatibility Emission standard for residential, commercial and light industrial environments Safety requirements for electrical equipment for measurement, control and laboratory use. Part 1: General requirements |