Thies CLIMA 4.3351.00.000, Инструкция по эксплуатации

Страница: 11 / 16

11 - 16 021519/01/09
7 Technical Data
Characteristic Description
Measuring range 0.3...75 m/s
Accuracy 0.3...50 m/s 1% of meas. value or < 0.2 m/s
Survival speed 80 m/s (min. 30 minutes)
Permissible
Ambient conditions - 50...+ 80°C, all occurring situations of relative humidity
(incl. dew moistening)
Output signal
Form
rectangle, edge steepness < 1µsec
Frequency
1082 Hz @ 50 m/s
Amplitude
is supply voltage, max. 15 V
Push-Pull
Output
output resistance:
typical 100 Ω ≥ 10V, 130 Ω @ 5V, 230 Ω @ 3.3V
Constant power limiting on typical 25mA
Open Drain
Output
Drain resistance typical 50 Ω , Pull-Up-voltage max. 30V
Constant power limiting on typical 50mA,
Load
R ≥ 1 k Ω
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 < 3 m (acc. to ASTM D 5096 – 96) 3 m acc. to ISO 17713-1
Turbulent flow Deviation ∆ v turbulent compared with stationary horizontal flow
-0.5% < ∆ v < +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 Approx.. 100 N @ 75 m/s
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…48 V DC (galvanic isolation from housing)
Current: 130µA typ. 150µA max. @ 3,3V bis 15,0V (w/o external load)
180µA typ. 200µA max. @ 15V bis 48V (w/o external load)
Electrical supply for
heating Voltage: 24 V AC/DC, 54…65Hz (galvanic isolation from housing)
Idling voltage: max. 30 V AC, max. 48 V DC
Capacity: 25
W